Fuse assignment
From September 2020
Caddy Current Flow Diagram No. 1 / 1
11.2020
1 2 3 4 5 6 7 8 9 10 11 12 13 14 SB0-001021120
SX
1VX
57*
SA
1SA
2SA
4SA
525.0 sw
90 B1 KL30a
0.5 sw/rt
169
*2
T4bg /2 KL87a 6.0
rt
T4bg /1 KL30
C1 KL30
0.35 sw/rt 163
*3
T4bg /2 KL87a 10.0
rt
T4bh /2 KL30 C1 KL30
0.5 sw/rt
170
*2
T4bh /3 KL87a 0.35 sw/rt 161
*3
T4bh /3 KL87a
35.0 sw
16 A1 KL30a
16.0 rt/ws
239 E1 KL30a
16.0 sw
316 F1 KL30a
90
169 163 170 161
16 239 316
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Connection and distribution box 1
SX1 Connection and distribution box 1 SA1 Fuse 1 on fuse holder A
SA2 Fuse 2 on fuse holder A SA4 Fuse 4 on fuse holder A SA5 Fuse 5 on fuse holder A T4bg 4-pin connector, black T4bh 4-pin connector, black VX57 Radiator fan
* see applicable current flow diagram for radiator fan
*2 For models with 1.5l petrol engine
*3 For models with diesel engine
Caddy Current Flow Diagram No. 1 / 2
11.2020
15 16 17 18 19 20 21 22 23 24 25 26 27 28 SB0-001031120
SX
2J
367 B69811 A
S
162B C
S
1632.5 rt/sw
153
T1qr /1 KL50
*2
*3
*2
*3
20.0 sw *
T1qq /1 KL30 D1 KL30
16.0 sw *
T1qq /1 KL30 D1 KL30
35.0 sw
9 B1 KL30a
1.0 rt
T2fx /2 KL30
KL30
0.35 vi/ge
T2fx /1 LIN
0.35 vi/ge
130
25.0 sw *
T1pr /1 GND
20.0 sw *
T1pr /1 GND KL30 A1 KL30
16.0 sw *
T1qq /1 KL30 T1qs
/1 KL30
20.0 sw *
T1qq /1 KL30 T1qs
/1 KL30
25.0 rt
40 E1 KL30a 153
9
130
40
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Battery, Starter, Alternator, Battery monitor control unit, Connection and distribution box 2
A Battery B Starter C Alternator
J367 Battery monitor control unit SX2 Connection and distribution box 2 S162 Fuse 1 (30), in battery fuse holder S163 Fuse 2 (30), in battery fuse holder
T1pr 1-pin connector T1qq 1-pin connector T1qr 1-pin connector T1qs 1-pin connector
T2fx 2-pin connector, black 11 Earth point, in battery box
B698 Connection 3 (LIN bus) in main wiring harness
* According to equipment
Caddy Current Flow Diagram No. 1 / 3
11.2020
29 30 31 32 33 34 35 36 37 38 39 40 41 42 SB0-001041120
J
934 SRSAJ
608SRSJ
197 TIUL
662
SRSA
1*
A
1*
*2
*3
*2
*3
1.5 sw/bl
262
T6af /2 KL30a
1.5 bl 271
T6af /3 KL30a
1.5 gn 318
T6af /5 KL30a
1.5 rt/gn 322
T6af /6 KL30a
0.5 rt
T2d /2 T1py KL30
/1 KL30
0.35 vi/gr T2d /1 LIN
T20c /7 LIN
0.35 vi
T2ep /1 SIG
T12c /2 SIG
25.0 rt
T1lr /1 KL30a
25.0 rt
26 T1lu /1 0.5
br T2ep /2 GND
1.5 br
*
262 271 318 322
26
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Second battery, Special vehicle control unit, Battery monitor control unit 2, Relay and fuse carrier A for special vehicles, Relay and fuse carrier J for special vehicles
A1 Second battery
J608 Special vehicle control unit J934 Battery monitor control unit 2
SRSA Relay and fuse carrier A for special vehicles SRSA1 Fuse 1 on relay and fuse carrier SRSA
SRSJ Relay and fuse carrier J for special vehicles T1lr 1-pin connector, black
T1lu 1-pin connector, black T1py 1-pin connector
T2d 2-pin connector, black T2ep 2-pin connector, black T6af 6-pin connector, blue T12c 12-pin connector, colourless T20c 20-pin connector, black
TIUL Coupling point in interior, below left 197 Earth connection 4, in rear wiring harness
662 Earth point, rear left side panel
* Not included in preparation for system/component
Caddy Current Flow Diagram No. 1 / 4
11.2020
43 44 45 46 47 48 49 50 51 52 53 54 55 56 SB0-001051120
417 417
SR
1*
KL30
TMOVO
1*
Q
10*
Q
11*
QX
3*
Q
13*
N
276* D17
N
489*
N
522*
J
179*
J
359*
*2
*2
*3
*2
*3 0.35
br
135
* T13b /122 GND
0.35 sw/ws
132
* T13b /121 SIG
0.35 br *
T13b /107 GND
0.35 sw/rt
162
* T13b /106 KL87a
0.35 vi/sw
430
* T13b /110 CTRL
0.35 vi/gr
432
* T13b /109 SIG
0.5 bl 176
*
T14j /12 0.35 sw/rt 165
*
T14j /10 1.5 sw/gr *
T14j /5 T13b /104 VS
1.5 sw/gn *
T14j /6 T13b /103 VS
1.5 sw/bl *
T14j /7 T13b /102 VS
1.5 sw *
T14j /8 T13b /101 VS
2.5 sw/rt *
T14h /8
T1pt /1 VS
2.5 sw/bl *
T14h /7
T1pu /1 VS
2.5 sw/gn *
T14h /6
T4at /4 VS
2.5 sw/gr *
T14h /5
T1pw /1 VS
0.75 bl/rt *
T14h /10
T2cb /1 KL87a
0.75 rt/bl *
T14h /12
0.75 rt/bl *
T2dj /2 KL87a
0.75 rt/bl *
T2dm /1 KL87a
1.0 br
137
135 132 162
430 432 176
165
137
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Fuel pressure regulating valve, Coolant valve for cylinder head, Piston cooling jet control valve, Glow plug 3, Glow plug 1, Glow plug 2, Glow plug 4, Relay and fuse carrier 1
J179 Automatic glow period control unit J359 Low heat output relay
N276 Fuel pressure regulating valve N489 Coolant valve for cylinder head N522 Piston cooling jet control valve
QX3 Glow plug 3 Q10 Glow plug 1 Q11 Glow plug 2 Q13 Glow plug 4
SR1 Relay and fuse carrier 1 T1pt 1-pin connector, black T1pu 1-pin connector, black T1pw 1-pin connector, black T2cb 2-pin connector, black T2dj 2-pin connector, brown T2dm 2-pin connector, black
T4at 4-pin connector, black T13b 13-pin connector T14h 14-pin connector, grey
T14j 14-pin connector, grey
TMOVO1Coupling point 1 for engine prewiring harness
417 Earth connection 9, in engine compartment wiring harness
D17 Positive connection 1 (15), in engine harness
* For models with diesel engine
*2 For models with auxiliary air heater
Caddy Current Flow Diagram No. 1 / 5
11.2020
57 58 59 60 61 62 63 64 65 66 67 68 69 70 SB0-001061120
SR
2Z
2 E79417
SR
1*2
J
47J
611SB
33*2
*3
*2
*3 0.35
gn/rt
131 T10ad /1A CTRL
2.5 rt/bl
86 T10ad /5A KL30a
2.5 rt/ge
88 T10ad /3B KL30a
4.0 sw/rt
T10ad /5B KL87a
T1ra /1 KL87a 4.0
rt/ws T10ad /3A KL87a
1.0 rt/ws
T10ad /1B KL87a
4.0 rt/ws
T1qc /1 KL87a 0.35
br T10ad /2A GND
0.35 br
T10ad /2B GND
4.0 rt/ge
138
* T13b /33A KL87a
*
*
* * *
*
*
131 86 88
138
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Relay and fuse carrier 1, Relay and fuse carrier 2, Heated windscreen
J47 Heated windscreen relay J611 Heated windscreen relay 2
SR1 Relay and fuse carrier 1 SR2 Relay and fuse carrier 2 SB33 Fuse 33 on fuse holder B T1qc 1-pin connector, black T1ra 1-pin connector, black T10ad 10-pin connector, white
T13b 13-pin connector Z2 Heated windscreen
417 Earth connection 9, in engine compartment wiring harness
E79 Connection 3 (87a) in engine wiring harness
* For models with auxiliary air heater
*2 For models with diesel engine
Caddy Current Flow Diagram No. 1 / 6
11.2020
71 72 73 74 75 76 77 78 79 80 81 82 83 84 SB0-001071120
SR
3V M
J
368J
3692.5 sw/gn
115 T10ae /2A KL30a
2.5 sw/gn
114 T10ae /2B KL30a
2.5 sw/gn
116 T10ae /5B KL30a
*2
*3
*2
*3 2.5
rt/ws T10ae /5A Kl53b
T4bb /1 Kl53b 2.5
rt/ge T10ae /4A KL53
T4bb /2 KL53
2.5 br
136 T10ae /4B GND
0.75 gr/ge
411 T10ae /1B GND
2.5 rt/bl
T10ae /3A KL30a
T10ae /3B KL30a
0.75 bl/gn
409 T10ae /1A GND
*
*
*
* * *
*
*
115 411 114 136 116
409
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Relay and fuse carrier 3, Windscreen wiper motor
J368 Wiper motor relay 1 J369 Wiper motor relay 2
SR3 Relay and fuse carrier 3 T4bb 4-pin connector, black T10ae 10-pin connector, black
V Windscreen wiper motor
Caddy Current Flow Diagram No. 1 / 7
11.2020
85 86 87 88 89 90 91 92 93 94 95 96 97 98 SB0-001081120 SB
D78 B317
J
500SR
4SB
34SB
35SB
1SB
225.0 sw
2 T1px /1 KL30a
0.35 bl/ws 2A KL30a
0.35 bl/ws
156 0.35 bl/ws
121
0.35 bl/ws
429 6.0
rt
6.0 rt
94
87 T1sq /1 KL30a
10.0 rt
T2bm /2 KL30a T1sl /1 KL30a
*2
*3
*2
*3 4.0
rt T4aw /1A KL30a
4.0 rt
T4aw /2A KL30a
2.5 rt/bl
61 T4aw /1B KL30a
2.5 rt/ge
67 T4aw /2B KL30a
*
*
*
* * *
*
*
2
156
121 429
94
87
61 67
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Power steering control unit, Fuse holder B, Relay and fuse carrier 4
J500 Power steering control unit SB Fuse holder B
SB1 Fuse 1 on fuse holder B SB2 Fuse 2 on fuse holder B SR4 Relay and fuse carrier 4 SB34 Fuse 34 on fuse holder B SB35 Fuse 35 on fuse holder B T1px 1-pin connector
T1sl 1-pin connector T1sq 1-pin connector T2bm 2-pin connector, black T4aw 4-pin connector, black
B317 Positive connection 3 (30a) in main wiring harness
D78 Positive connection 1 (30a), in engine compartment wiring harness
Caddy Current Flow Diagram No. 1 / 8
11.2020
99 100 101 102 103 104 105 106 107 108 109 110 111 112 SB0-001091120 SB
MX
2MX
1TML
NX
6H
33V
478M
J
413SB
4SB
5SB
7SB
8SB
91.0 gn
T14m /6 KL30a 5A KL30a
1.0 gr/sw
T14l /6 KL30a 4A KL30a
2.5 rt/gr
T5b /5 7A KL30a
4.0 rt/gn
T26a /1 KL30a 8A KL30a
1.0 ws/sw
T2bk /1 KL87a 63 KL87a
1.0 sw/ws
410 62 CTRL
*2
*3
*2
*3
*
*
*
* * *
*
*
2.5 rt/gr T5a /5
T4bd /4 KL30a
410
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Left horn, Front left headlight, Front right headlight, Brake servo, Fuse holder B, Gearbox oil cooling pump
H33 Left horn J413 Horn relay MX1 Front left headlight MX2 Front right headlight NX6 Brake servo
SB Fuse holder B
SB4 Fuse 4 on fuse holder B SB5 Fuse 5 on fuse holder B SB7 Fuse 7 on fuse holder B SB8 Fuse 8 on fuse holder B SB9 Fuse 9 on fuse holder B T2bk 2-pin connector T4bd 4-pin connector, black
T5a 5-pin connector, black T5b 5-pin connector, black T14l 14-pin connector, black T14m 14-pin connector, black T26a 26-pin connector, black
TML Coupling point in engine compartment, left V478 Gearbox oil cooling pump
Caddy Current Flow Diagram No. 1 / 9
11.2020
113 114 115 116 117 118 119 120 121 122 123 124 125 126 SB0-001101120 SB
J
104 B316J
743J
364SB
10SB
12SB
13SB
14SB
154.0 rt/ge
T46a /1 KL30a 15A KL30a
2.5 bl/rt
T46a /30 KL30a 13A KL30a
0.35 bl/ws 96
T46a /31 KL30a 2.5
sw/gn 10A KL30a
2.5 sw/gn
73 2.5 sw/gn
79
2.5 sw/gn
82
1.0 vi
T16b /9 KL30a 12A KL30a
1.5 bl/ge
T2fn /1 KL30a 14A KL30a
*2
*3
*2
*3
*
*
*
* * *
*
*
96
73
79 82
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
ABS control unit, Auxiliary heater control unit, Mechatronic unit for dual clutch gearbox, Fuse holder B
J104 ABS control unit
J364 Auxiliary heater control unit
J743 Mechatronic unit for dual clutch gearbox SB Fuse holder B
SB10 Fuse 10 on fuse holder B SB12 Fuse 12 on fuse holder B SB13 Fuse 13 on fuse holder B SB14 Fuse 14 on fuse holder B SB15 Fuse 15 on fuse holder B
T2fn 2-pin connector T16b 16-pin connector, black T46a 46-pin connector, black
B316 Positive connection 2 (30a) in main wiring harness
Caddy Current Flow Diagram No. 1 / 10
11.2020
127 128 129 130 131 132 133 134 135 136 137 138 139 140 SB0-001111120 SB
TIUL
419
209
317
671
Z
35A227
J
360SB
17SB
180.35 ws/bl
T17d /5 51 SIG
0.35 br
52 GND
1.0 br
4.0 br
4.0 br
4.0 rt/vi
T3bn /1 KL87a 17A KL87a
4.0 rt/ws
T3bn /3 KL87a 18A KL87a
*2
*3
*2
*3
2.5 br 81 0.35
vi/ge 20
T17d /12
0.35 gn/rt 59
T17d /7
4.0 rt/ge
58
*
*
T3bn /2 KL87a 0.35
br 54
*2
*2
0.35 sw/ws
53
*2
*2
T17d /6
* * *
*
*
0.35 gn/rt
257
T17g /7
0.35 ws/bl
258 T17g /5
0.35 sw/ws
259
T17g /6
0.35 vi/ge
279 0.35 vi/ge
T17g /12
0.35 vi/ge
344
1.0 br 81 50
20 59 58
54 53
257 259 258
279 344
50
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Fuse holder B, Auxiliary air heater element
J360 High heat output relay SB Fuse holder B
SB17 Fuse 17 on fuse holder B SB18 Fuse 18 on fuse holder B T3bn 3-pin connector, black T17d 17-pin connector, blue T17g 17-pin connector, blue
TIUL Coupling point in interior, below left Z35 Auxiliary air heater element
209 Earth connection 6, in engine compartment wiring harness
317 Earth connection 7, in engine compartment wiring harness
419 Earth connection 11, in engine compartment wiring harness
671 Earth point 1, on front of left longitudinal member
A227 Connection 2 (LIN bus) in dash panel wiring harness
* For models with auxiliary air heater
*2 For models with diesel engine
Caddy Current Flow Diagram No. 1 / 11
11.2020
141 142 143 144 145 146 147 148 149 150 151 152 153 154 SB0-001121120 SB
D52
G
476J
906J
907SB
21SB
220.35 br/rt
420
* *
82 KL50
0.35 br/gn
417
*
* 72
KL50
0.35 ws/ge
423
*
* 21A
SIG
0.35 br/gn
418
*2 72 KL50
0.35 br/rt
419
*2 82 KL50
0.35 ws/ge
422
*2 21A SIG
0.35 gn/sw
71 KL15a
0.35 gn/sw
81 KL15a
0.35 gn/sw
399
2.5 rt/sw
25 22A KL50
*2
*3
*2
*3 * * * * *
0.35 gn/sw
T5e /5 KL15a
420
417 418 419 423 422
399
25
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Clutch position sender, Fuse holder B
G476 Clutch position sender J906 Starter relay 1 J907 Starter relay 2 SB Fuse holder B
SB21 Fuse 21 on fuse holder B SB22 Fuse 22 on fuse holder B
T5e 5-pin connector, black
D52 Positive connection (15a), in engine compartment wiring harness
* For models with 1.5l petrol engine
*2 For models with diesel engine
Caddy Current Flow Diagram No. 1 / 12
11.2020
155 156 157 158 159 160 161 162 163 164 165 166 167 168 SB0-001131120 SB
D200
*
D180
*2
D182 D182
*
B352 B352
*2
TML
G
266V
488*3
M
J
317 *J
271 *2SB
230.35 bl/ws
97 41 KL30a
*
* *
*2
*2
0.35 bl/gr
433 42 CTRL
*2
1.0 bl/sw
426
*
*
1.0 bl/sw
428
*
*
1.0 bl/sw
427
*
*
1.0 bl/sw *
23A KL87a
1.0 bl/sw *2
23A KL87a
1.0 bl/sw
425
*2
*2
0.35 sw/rt
201
*
*
*2
0.35 sw/rt
6
*
*
*2
0.35 sw/rt
8
*
*
0.35 sw/rt
49
*
* * *
*
0.35 sw/rt
47
*
*
0.5 sw/rt *2
T6b /4 0.5
bl 175
*3
T6b /5
0.35 sw/rt *
T6b /4
0.5 sw/rt
T6c /4
T3s /1 KL87a 0.5
rt/bl *3 T6c /5
T3bg /2 KL87a 1.0
bl/sw
424
*2
*2
97 433
426 428 427 425
201 6
8
49 47
175
424
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Oil level and oil temperature sender, Fuse holder B, Auxiliary pump for heating
G266 Oil level and oil temperature sender J271 Main relay
J317 Terminal 30 voltage supply relay SB Fuse holder B
SB23 Fuse 23 on fuse holder B T3bg 3-pin connector, black
T3s 3-pin connector, black T6b 6-pin connector, black T6c 6-pin connector, black
TML Coupling point in engine compartment, left V488 Auxiliary pump for heating
B352 Positive connection 3 (87a) in main wiring harness
D180 Connection (87a), in engine compartment wiring harness
D182 Connection 3 (87a), in engine compartment wiring harness
D200 Positive connection 3 (15a), in engine compartment wiring harness
* For models with diesel engine
*2 For models with 1.5l petrol engine
*3 According to equipment
Caddy Current Flow Diagram No. 1 / 13
11.2020
169 170 171 172 173 174 175 176 177 178 179 180 181 182 SB0-001141120 SB
D182
TMOVO
1 B351 B352D25 D43
V
188M
N
587N
115N
205N
318N
591N
428N
595N
127N
291N
292N
70SB
24SB
25SB
26*
* *
*2
*2
*2 *2 * * *
0.35 sw/rt *
24A KL87a
0.35 sw/rt *
T14i /6
1.5 ge 194
T14i /5 0.5
sw/ge
T14i /7 25A KL87a
0.5 bl *2
T14i /8 26A KL87a
* 0.5
bl *2 26A KL87a
0.5 bl *2
T14i /8 0.5
sw/rt *3 24A KL87a
0.5 sw/rt *3
T14i /6 0.5
sw/rt
5
*3
*3
0.5 sw/rt
7
*3
*3
*
*
0.5 bl
48
*
*
0.5 bl
166
*2
*2
1.5 rt/gn
T14a /5
0.75 sw/rt
T14a /6
0.5 bl
T14a /8
T3bh /2 KL87a 0.5
ws T14a /7
T3ax /3 CTRL 0.75
sw/rt T3ax /2 KL87a
0.75 sw/rt
T2gq /1 KL87a
0.75 sw/rt
T2ha /2 KL87a 0.75
sw/rt T2cn /1 KL87a
0.75 sw/rt
T2df /1 KL87a 0.75
sw/rt T3ay /2 KL87a 0.75
sw/rt T3az /2 KL87a
1.5 rt/gn
T4ao /4 KL87a
1.5 rt/gn
T4ap /4 KL87a
1.5 rt/gn
T4aq /4 KL87a
1.5 rt/gn
T4as /4 KL87a
*2 194
5 7
48 166
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow
Ignition coil 1 with output stage, Activated charcoal filter solenoid valve 2, Ignition coil 2 with output stage,
Camshaft control valve 1, Ignition coil 3 with output stage, Ignition coil 4 with output stage, Exhaust camshaft control valve 1, Valve for oil pressure control, Exhaust cam actuator for cylinder 2, Inlet cam actuator for cylinder 3, Exhaust cam actuator for cylinder 3, Fuse holder B, Charge air cooling pump
N70 Ignition coil 1 with output stage N115 Activated charcoal filter solenoid valve 2 N127 Ignition coil 2 with output stage N205 Camshaft control valve 1 N291 Ignition coil 3 with output stage N292 Ignition coil 4 with output stage N318 Exhaust camshaft control valve 1 N428 Valve for oil pressure control N587 Exhaust cam actuator for cylinder 2 N591 Inlet cam actuator for cylinder 3 N595 Exhaust cam actuator for cylinder 3
SB Fuse holder B
SB24 Fuse 24 on fuse holder B SB25 Fuse 25 on fuse holder B SB26 Fuse 26 on fuse holder B T2cn 2-pin connector, black T2df 2-pin connector T2gq 2-pin connector, black T2ha 2-pin connector T3ax 3-pin connector, black T3ay 3-pin connector, black T3az 3-pin connector, black T3bh 3-pin connector, black T4ao 4-pin connector, black T4ap 4-pin connector, black T4aq 4-pin connector, black T4as 4-pin connector, black T14a 14-pin connector, grey
T14i 14-pin connector, grey
TMOVO1Coupling point 1 for engine prewiring harness V188 Charge air cooling pump
B351 Positive connection 2 (87a) in main wiring harness
B352 Positive connection 3 (87a) in main wiring harness
D25 Positive connection (15), in engine prewiring harness
D43 Connection 5, in engine prewiring harness
D182 Connection 3 (87a), in engine compartment wiring harness
* For models with diesel engine
Caddy Current Flow Diagram No. 1 / 14
11.2020
>> Ecm Modules Repair eBook Basic Electronics PDF <<
183 184 185 186 187 188 189 190 191 192 193 194 195 196 SB0-001151120 SB
D197
*
D181
*2
G
784*
G
932*
J
583*
J
881*
GX
10GX
7*2
SB
27SB
28*
* *
*2
*2
*2 1.0
gr * 27A KL87a
* * *
1.5 *2 ge
179 28A KL87a
* 0.5
gr *2 27A KL87a
*
*
1.0 gr *
T4ad /4 KL87a
1.0 gr *
T5f /1 KL87a
1.0 gr *
T5o /1 KL87a 1.0
gr *
T5p /1 KL87a
1.0 gr *
T5h /4 KL87a
0.5 gr *2
T6r /5 KL87a
0.5 gr *2
T4ah /1 KL87a
*2
179
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Lambda probe 1 after catalytic converter, Lambda probe 1 before catalytic converter, Particulate sensor, NOx sender 3, Control unit for NOx sender, Control unit for NOx sender 2, Fuse holder B
GX7 Lambda probe 1 after catalytic converter GX10 Lambda probe 1 before catalytic converter G784 Particulate sensor
G932 NOx sender 3
J583 Control unit for NOx sender J881 Control unit for NOx sender 2
SB Fuse holder B
SB27 Fuse 27 on fuse holder B SB28 Fuse 28 on fuse holder B T4ad 4-pin connector, black T4ah 4-pin connector, black T5f 5-pin connector, black T5h 5-pin connector, black T5o 5-pin connector, black T5p 5-pin connector, black T6r 6-pin connector, black
D181 Connection 2 (87a), in engine compartment wiring harness
D197 Connection 5 (87a), in engine compartment wiring harness
* For models with diesel engine
*2 For models with 1.5l petrol engine
Caddy Current Flow Diagram No. 1 / 15
11.2020
197 198 199 200 201 202 203 204 205 206 207 208 209 210 SB0-001161120 SB
TIUL TIUL
TSFV
1B354
J
538X197
J
1192J
1193SB
29*
* *
*2
*2
*2 *2 * * *
2.5 sw *
T17b /16
29A KL87a
0.35 sw/rt 164
*
T17b /1
1.0 sw *2
T17a /15 29A KL87a
0.5 bl/ws
292 T17e /3 0.5 bl/ws
T17a /3
T6g /3
*
*
0.35 sw/rt
215
0.35 sw/rt
T17h /1
1.0 sw *2
T17e /15
T5n /3 KL87a 2.5
sw * T17h /16
T6ag /5 KL87a 0.35
br/ws
216
T17h /2 0.35 br/ws
431
T17b /2
0.5 bl/ws
T6x /3 KL30a
0.5 bl/ws
T6y /3 KL30a 0.5 bl/ws
T6aq /3
0.35 sw/rt
250
*2 164
215 292 216
431
250
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Fuel pump control unit, Control unit 2 for break-in protection, Control unit 3 for break-in protection, Fuse holder B
J538 Fuel pump control unit
J1192 Control unit 2 for break-in protection J1193 Control unit 3 for break-in protection
SB Fuse holder B
SB29 Fuse 29 on fuse holder B T5n 5-pin connector, black T6ag 6-pin connector, black T6aq 6-pin connector, black T6g 6-pin connector, black T6x 6-pin connector, black T6y 6-pin connector, black T17a 17-pin connector, black T17b 17-pin connector, red T17e 17-pin connector, black T17h 17-pin connector, red
TIUL Coupling point in interior, below left TSFV1 Coupling point 1 for front bumper
B354 Positive connection 5 (87a) in main wiring harness
X197 Connection 1, in lower front bumper wiring harness
* For models with diesel engine
*2 For models with 1.5l petrol engine
Caddy Current Flow Diagram No. 1 / 16
11.2020
211 212 213 214 215 216 217 218 219 220 221 222 223 224 SB0-001171120 SR
B586
J
963*
* *
*2
*2
*2 0.5 *2 * * *
sw/ge
286 T12g /103 KL30a
*
* 0.35
sw/rt
199 T12g /101 KL87a
0.75 vi
246 0.75
vi
247 1.5 vi
T12g /105 KL87
0.35 br/ws
198 T12g /102 CTRL
*2
286 199
246 247 198
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Fuse and relay carrier
J963 Relay for reducing agent metering system SR Fuse and relay carrier
T12g 12-pin connector
B586 Positive connection 6 (87), in interior wiring harness
Caddy Current Flow Diagram No. 1 / 17
11.2020
225 226 227 228 229 230 231 232 233 234 235 236 237 238 SB0-001181120
ST
1ST
2TSVL
E
752TSVR
E
753S
361S
362*
* *
*2
*2
*2 *2 * * *
4.0 rt
371
* *
T2eq /1 KL30a
4.0 rt
370
* *
T2er /1 KL30a
*
* 4.0
rt
371
* T2er /1 KL30a
4.0 rt
372
* T2eq /1 KL30a
1.5 rt/sw
T17l /15 T2eq /1A KL30a
1.5 rt/sw
T17m /15
T6l /3 KL30a
1.5 rt/sw
T17n /15 T2er /1A KL30a
1.5 rt/sw
T17o /15
T6m /3 KL30a
*2
371 372 370 371
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Front left lumbar support adjustment switch, Front right lumbar support adjustment switch, Fuse carrier 1, Fuse carrier 2
E752 Front left lumbar support adjustment switch E753 Front right lumbar support adjustment switch
ST1 Fuse carrier 1 ST2 Fuse carrier 2 S361 Thermal fuse 1 S362 Thermal fuse 2 T2eq 2-pin connector T2er 2-pin connector
T6l 6-pin connector, black T6m 6-pin connector, black T17l 17-pin connector, yellow T17m 17-pin connector, yellow T17n 17-pin connector, yellow T17o 17-pin connector, yellow TSVL Coupling point for front left seat TSVR Coupling point for front right seat
* According to equipment
Caddy Current Flow Diagram No. 1 / 18
11.2020
239 240 241 242 243 244 245 246 247 248 249 250 251 252 SB0-001191120 SC
J
391TSCR
1V
682J
891TSCR
2H3
GX
19 W58VX
85SC
2SC
3SC
4SC
5*
* *
*2
*2
*2 16.0 *2 * * *
rt/ws
10 T2eo /1 KL30a
2.5 bl/rt
T4al /3 KL30a 2A KL30a
1.5 ws/sw
326 3A KL30a
2.5 sw/gn
T6d /1 4A KL30a
1.5 sw/ws
T8s /1 KL30a 5A KL30a
*
*
*
*
0.75 vi 219
T6d /2
0.75 vi 218
T6d /6
*
*
0.35 vi
T11a /6 KL87 T10s /10
2.5 sw/gn
T6f /1
0.75 vi
T6f /6
T4bp /1 KL87 1.5
vi T6f /2
0.75 vi
T4bp /4 KL87 0.75
vi T5i /3 KL87
6.0 rt/ge
T11a /11 KL30a
0.35 sw/rt 200
T10t /10
*2
10 326
219 218 200
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Delivery unit for reducing agent metering system, Rear fresh air blower control unit, Control unit for reducing agent heater, Fuse holder C, Reducing agent tank, Parking lock actuator
GX19 Delivery unit for reducing agent metering system J391 Rear fresh air blower control unit
J891 Control unit for reducing agent heater SC Fuse holder C
SC2 Fuse 2 on fuse holder C SC3 Fuse 3 on fuse holder C SC4 Fuse 4 on fuse holder C SC5 Fuse 5 on fuse holder C T2eo 2-pin connector, black
T4al 4-pin connector, black T4bp 4-pin connector, black T5i 5-pin connector, black T6d 6-pin connector, black T6f 6-pin connector, black T8s 8-pin connector, black T10s 10-pin connector, black T10t 10-pin connector, black T11a 11-pin connector, black
TSCR1 Coupling point 1 for reducing agent metering system TSCR2 Coupling point 2 for reducing agent metering system
VX85 Reducing agent tank V682 Parking lock actuator
H3 Connection 1 in wiring harness for reducing agent tank
W58 Connection (87), in rear wiring harness
Caddy Current Flow Diagram No. 1 / 19
11.2020
253 254 255 256 257 258 259 260 261 262 263 264 265 266 SB0-001201120 SC
J
979SC
6SC
7SC
8*
* *
*2
*2
*2 2.5 *2 * * *
rt/sw
416 6A KL30a
2.5 vi/ws
T22a /1 KL30a 7A KL30a
1.5 sw/bl
29 8A KL30a
* 0.5 *
gr/bl 353
T20a /20 KL30a
*
*
0.35 gn/rt 130
T22a /10 CTRL
0.35 ws/bl 133
T22a /13 SIG
0.35 sw/ws
131
T22a /12 SIG
*
* *2
416 29
353 130 133 131
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Heater and air conditioning system control unit, Fuse holder C
J979 Heater and air conditioning system control unit SC Fuse holder C
SC6 Fuse 6 on fuse holder C SC7 Fuse 7 on fuse holder C SC8 Fuse 8 on fuse holder C T20a 20-pin connector, black T22a 22-pin connector, black
Caddy Current Flow Diagram No. 1 / 20
11.2020
267 268 269 270 271 272 273 274 275 276 277 278 279 280 SB0-001211120 SC
TTVL
A
19J
386SC
9SC
10SC
11SC
12SC
13SC
14*
* *
*2
*2
*2 4.0 *2 * * *
rt/bl
412 13A KL30a
4.0 rt
414 12A KL30a
2.5 sw/rt
327 11A KL30a
1.5 bl
30 10A KL30a
2.5 vi/sw
T28a /21 9A KL30a
4.0 rt/vi
T3a /2 KL30a 14A KL30a
*
*
2.5 rt/ws
T28b /21
T20b /19 KL30a
*
*
0.35 vi/ge 128
T3a /3 LIN
*
* *2
2.5 rt/ws
319
* *
T28a /21
2.5 ge/rt 318
*
T20b /19 KL30a
412 414
327 30
128
319 318
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Voltage converter, Driver door control unit, Fuse holder C
A19 Voltage converter J386 Driver door control unit
SC Fuse holder C
SC9 Fuse 9 on fuse holder C SC10 Fuse 10 on fuse holder C SC11 Fuse 11 on fuse holder C SC12 Fuse 12 on fuse holder C SC13 Fuse 13 on fuse holder C SC14 Fuse 14 on fuse holder C T3a 3-pin connector, brown T20b 20-pin connector, white T28a 28-pin connector, black T28b 28-pin connector, black TTVL Coupling point for front left door
* For right-hand drive models
Caddy Current Flow Diagram No. 1 / 21
11.2020
281 282 283 284 285 286 287 288 289 290 291 292 293 294 SB0-001221120 SC
T1 B589
J
1247J
234J
1194J
1195N
360J
965SC
16SC
17SC
18*
* *
*2
*2
*2 0.35 *2 * * *
gr/gn 16A KL30a
0.5 sw/ge
217 17A KL30a
0.5 bl/ws
18A KL30a
*
*
0.35 gr/gn
T4aj /1 KL30a
0.35 gr/gn
T140a /1 KL30a 0.35
gr/gn
T140a /3 KL30a
0.5 bl/ws
T6z /3 KL30a
0.5 bl/ws
T6aa /3 KL30a
0.5 bl/ws
T32d /3 KL30a 0.5
bl/ws
T4ar /3 KL30a
0.5 bl/ws
207
*
* * * *2
*
*
217
207
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Airbag control unit, Interface for entry and start system, Control unit 4 for break-in protection, Control unit 5 for break-in protection, Control unit for wireless connection of seat occupied sensors, Steering column lock control element, Fuse holder C
J234 Airbag control unit
J965 Interface for entry and start system J1194 Control unit 4 for break-in protection J1195 Control unit 5 for break-in protection
J1247 Control unit for wireless connection of seat occupied sensors N360 Steering column lock control element
SC Fuse holder C
SC16 Fuse 16 on fuse holder C SC17 Fuse 17 on fuse holder C SC18 Fuse 18 on fuse holder C
T4aj 4-pin connector, black T4ar 4-pin connector, black T6aa 6-pin connector, black T6z 6-pin connector, black T32d 32-pin connector, grey T140a 140-pin connector, yellow
B589 Connection (49a), in interior wiring harness
T1 Positive connection 1, in airbag wiring harness
Caddy Current Flow Diagram No. 1 / 22
11.2020
295 296 297 298 299 300 301 302 303 304 305 306 307 308 SB0-001231120 SC
B156 B151
B170
KX
2R
94R
265R
308U
41J
1086J
1087J
602THKL
R
246SC
20SC
19SC
21*
* *
*2
*2
*2 *2 * * *
0.35 ge/rt
19A KL30a
0.35 ws/bl 20A KL30a
0.35 gr/ge 21A KL30a
*
*
0.35 ge/rt
T18c /1 KL30a
0.35 ge/rt
T36a /12 KL30a 0.35
ge/rt
T36a /25 KL30a
*
*
0.35 ws/bl
T6am /1 KL30a
0.35 ws/bl
T4bt /1 KL30a
0.35 ws/bl
T4ba /1 KL30a
0.35 gr/ge T8t /8 KL30a
0.35 gr/ge T8u /8 KL30a
*
*
0.35 gr/ge
T17p /1 KL30a
0.35 gr/ge
T10m /4
0.35 ws
T10i /4
T8aa /1 KL30a
*2
*
*
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Interior light relay, Blind Spot Monitor control unit, Blind Spot Monitor control unit 2, Dash panel insert, Navigation system interface, Rear overhead view camera, Storage compartment with interface for mobile telephone,
Transmission and reception stabilisation control unit, Fuse holder C, USB connection 1
J602 Interior light relay
J1086 Blind Spot Monitor control unit J1087 Blind Spot Monitor control unit 2
KX2 Dash panel insert
R94 Navigation system interface R246 Rear overhead view camera
R265 Storage compartment with interface for mobile telephone R308 Transmission and reception stabilisation control unit
SC Fuse holder C
SC19 Fuse 19 on fuse holder C SC20 Fuse 20 on fuse holder C SC21 Fuse 21 on fuse holder C
T4ba 4-pin connector, red T4bt 4-pin connector, black T6am 6-pin connector, black T8aa 8-pin connector, black T8t 8-pin connector, black T8u 8-pin connector, black T10i 10-pin connector, black T10m 10-pin connector, black T17p 17-pin connector, black T18c 18-pin connector, black T36a 36-pin connector
THKL Coupling point on rear lid, left U41 USB connection 1
B151 Positive connection 3 (30a), in interior wiring harness
B156 Positive connection (30a), in interior wiring harness
B170 Positive connection 2 (30), in interior wiring harness
Caddy Current Flow Diagram No. 1 / 23
11.2020
309 310 311 312 313 314 315 316 317 318 319 320 321 322 SB0-001241120 SC
F
571 THRL TTVRJ
492J
387SC
24SC
26SC
27F
353R106
J
1269J
762SC
23SC
25*
* *
*2
*2
*2 16.0 *2 * * *
sw
11 T2eo /2 KL30a
1.5 gn
31 25A KL30a
1.5 rt/gn
32 27A KL30a
1.0 ws/rt
T8q /2 KL30a 23A KL30a
0.75 bl/gn
T8c /3 24A KL30a
2.5 ge/gn
T28c /21 26A KL30a
*
*
*
*
0.75 rt/ws T8e /3
T6ae /6 KL30a
2.5 rt/ge *
T28d /21
T20d /19 KL30a
*
* *2
2.5 rt/ws
267
*2
T20d /19 KL30a 2.5
ge/rt
268
*2
*2
T28d /21
1.0 rt/ge *3
T8p /8
1.0 rt/ge *3
T8p /8
T5s /3 KL30a 0.35 rt/ge *3
T5s /3 KL30a
0.35 rt/ge
T6aj /2 KL30a
11 31 32
267
268
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Contact strip in left sliding door, Contact strip in left B- pillar, Front passenger door control unit, All-wheel drive control unit, Power latching control unit for rear left door, Left sliding door relay, Fuse holder C
F353 Contact strip in left sliding door F571 Contact strip in left B-pillar J387 Front passenger door control unit J492 All-wheel drive control unit
J762 Power latching control unit for rear left door J1269 Left sliding door relay
SC Fuse holder C
SC23 Fuse 23 on fuse holder C SC24 Fuse 24 on fuse holder C SC25 Fuse 25 on fuse holder C SC26 Fuse 26 on fuse holder C SC27 Fuse 27 on fuse holder C
T2eo 2-pin connector, black T5s 5-pin connector, black T6ae 6-pin connector, black T6aj 6-pin connector, black T8c 8-pin connector, black T8e 8-pin connector, black T8p 8-pin connector, black T8q 8-pin connector, black T20d 20-pin connector, white T28c 28-pin connector, black T28d 28-pin connector, black
THRL Coupling point in luggage compartment, left TTVR Coupling point for front right door
R106 Positive connection 1 (30), in left sliding door wiring harness
* For left-hand drive models
*2 For right-hand drive models
*3 According to equipment
Caddy Current Flow Diagram No. 1 / 24
11.2020
323 324 325 326 327 328 329 330 331 332 333 334 335 336 SB0-001251120 SC
J
345F
572J
794J
605SC
29SC
30SC
31SC
32SC
33F
352R107
J
1270J
763*
* *
*2
*2
*2 *2 * * *
1.5 gr/rt
1.5 gr/rt 332
328 T6ap
/3 KL30a
31A KL30a
1.5 ws/sw
243
T6ap /4 KL30a
2.5 sw/rt
273
T6ap /5 KL30a 2.5
rt/gr
T6ap /6 KL30a 29A KL30a
1.0 ws
T8r /1 KL30a 33A KL30a
2.5 bl/rt
T8ae /18 KL30a 30A KL30a
0.75 vi/ge
T10aa /1 KL30a 32A KL30a
*
*
*
* * * *2
1.0 rt/ws
T8o /2
0.35 rt/ws
T5r /3 KL30a 1.0 rt/ws
T8o /2
T5r /3 KL30a 0.35
rt/ws
T6ak /2 KL30a 332
328
243 273
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Contact strip in right sliding door, Contact strip in right B- pillar, Trailer detector control unit, Rear lid control unit, Power latching control unit for rear right door, Control unit 1 for information electronics, Right sliding door relay, Fuse holder C
F352 Contact strip in right sliding door F572 Contact strip in right B-pillar J345 Trailer detector control unit J605 Rear lid control unit
J763 Power latching control unit for rear right door J794 Control unit 1 for information electronics J1270 Right sliding door relay
SC Fuse holder C
SC29 Fuse 29 on fuse holder C SC30 Fuse 30 on fuse holder C SC31 Fuse 31 on fuse holder C SC32 Fuse 32 on fuse holder C SC33 Fuse 33 on fuse holder C
T5r 5-pin connector, black T6ak 6-pin connector, black T6ap 6-pin connector, black T8ae 8-pin connector, black T8o 8-pin connector, black T8r 8-pin connector, black T10aa 10-pin connector, black
R107 Positive connection 1 (30), in right sliding door wiring harness
Caddy Current Flow Diagram No. 1 / 25
11.2020
337 338 339 340 341 342 343 344 345 346 347 348 349 350 SB0-001261120 SC
J
126J
533EX
2Y
6 U32SC
35SC
36SC
40SC
41SC
42*
* *
*2
*2
*2 4.0 *2 * * *
rt/ws
415 35A KL30a
4.0 rt/ge
T4ak /3 KL30a 36A KL30a
0.35 gn/ws
42A KL30a
0.35 gn/rt
393 40A KL30a
0.35 bl/sw
T32c /1 KL30a 41A KL30a
*
*
*
*
0.35 vi/ge 129
T32c /18 LIN
*
*
0.35 gn/ws
T10y /1 KL30a
0.35 gn/ws
T4bm /1 KL30a
*2
415 393
129
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Selector mechanism, Fresh air blower control unit, Data bus diagnostic interface, Fuse holder C, Selector lever position display
EX2 Selector mechanism J126 Fresh air blower control unit J533 Data bus diagnostic interface
SC Fuse holder C
SC35 Fuse 35 on fuse holder C SC36 Fuse 36 on fuse holder C SC40 Fuse 40 on fuse holder C SC41 Fuse 41 on fuse holder C SC42 Fuse 42 on fuse holder C
T4ak 4-pin connector, black T4bm 4-pin connector, red
T10y 10-pin connector, black T32c 32-pin connector, black
Y6 Selector lever position display
U32 Connection 9, in automatic gearbox wiring harness
Caddy Current Flow Diagram No. 1 / 26
11.2020
351 352 353 354 355 356 357 358 359 360 361 362 363 364 SB0-001271120 SC
A164
A2
G
1090J
502R
149E
538G
823G
578E
791EX
59WX
1SC
43SC
44U
31*
* *
*2
*2
*2 *2 * * *
0.5 gr/bl
403 0.5 gr/bl
43A KL30a
0.35 ws/vi 44A KL30a
*
*
0.5 gr/bl
256
*
* * *
0.5 gr/bl
T4z /4 KL30a
0.5 gr/bl
T4am /2 KL30a
0.5 gr/bl
T6al /1 KL30a
0.35 ws/vi
T12a /7 KL30a 0.35
ge/gr 396
T12a /11 KL15a
0.35 ws/vi
T4q /2 KL30a
0.35 ws/vi
T4s /2 KL30a 0.35
ws/vi
T4ac /4 KL30a 0.35
ws/vi
T3an /1 KL30a
0.35 ws/vi
T26b /21 KL30a
*2
0.35 ws/vi
T16c /16 KL30a
403 256
396
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Operating unit for lighting, Electromechanical parking brake button, Operating unit 1 for driver and convenience functions, Anti-theft alarm sensor, Air humidity, rain and light sensor, Vehicle interior temperature sensor, Tyre Pressure Monitoring System control unit, Remote control receiver for auxiliary coolant heater, Fuse holder C, Diagnostic connection, Front interior light
EX59 Operating unit for lighting
E538 Electromechanical parking brake button
E791 Operating unit 1 for driver and convenience functions G578 Anti-theft alarm sensor
G823 Air humidity, rain and light sensor G1090 Vehicle interior temperature sensor
J502 Tyre Pressure Monitoring System control unit R149 Remote control receiver for auxiliary coolant heater
SC Fuse holder C
SC43 Fuse 43 on fuse holder C SC44 Fuse 44 on fuse holder C
T3an 3-pin connector, black T4ac 4-pin connector, black T4am 4-pin connector, grey
T4q 4-pin connector, red T4s 4-pin connector, red T4z 4-pin connector, black T6al 6-pin connector, blue T12a 12-pin connector, black T16c 16-pin connector, black T26b 26-pin connector, black U31 Diagnostic connection WX1 Front interior light
A2 Positive connection (15), in dash panel wiring harness
A164 Positive connection 2 (30a) in dash panel wiring harness
Caddy Current Flow Diagram No. 1 / 27
11.2020
365 366 367 368 369 370 371 372 373 374 375 376 377 378 SB0-001281120 SC
J
527J
685823 B315
*
286
639
SC
45SC
46J
807U
31*
* *
*2
*2
*2 *2 * * *
0.35 bl/gr
T16a /7 KL30a 45A KL30a
0.35 ws/ge
T8w /4 KL30a 46A KL30a
0.35 ge/gr
395 71 KL15a
4.0 rt
227
* T1sp /1 KL30a
4.0 rt
232
*
T1sp /1 KL30a
0.35 br 386
0.35 br
72 GND
*
*
4.0 rt
233
*
*
4.0 rt *
T1sp /1 KL30a
4.0 rt
228
*
*
1.0 br
2.5 br
*2
0.35 bl/vi 398
T16c /1 KL15a
395 227
232
386
233 228
398
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Steering column electronics control unit, Display unit for front information display and operating unit control unit, Fuse holder C, Diagnostic connection
J527 Steering column electronics control unit
J685 Display unit for front information display and operating unit control unit
J807 Relay for power sockets SC Fuse holder C
SC45 Fuse 45 on fuse holder C SC46 Fuse 46 on fuse holder C
T1sp 1-pin connector T8w 8-pin connector, black T16a 16-pin connector, black T16c 16-pin connector, black U31 Diagnostic connection
286 Earth connection 8, in interior wiring harness
639 Earth point, on left A-pillar
823 Earth connection 16, in interior wiring harness
B315 Positive connection 1 (30a) in main wiring harness
* According to equipment
Caddy Current Flow Diagram No. 1 / 28
11.2020
379 380 381 382 383 384 385 386 387 388 389 390 391 392 SB0-001291120
TIUL SC
U
37A199 B680
J
446R
242TSFV
1U
19U
20U
5J
428SC
48SC
52J
329SC
58*
* *
*2
*2
*2 0.35 *2 * * *
ge/br
413 81 CTRL
0.35 gr/sw
T4az /1 KL15a 48A KL15a
0.35 ge/ws
T17f /3 0.35
ge/ws 58A KL15a
1.5 ge
52A KL30a
0.35 br
377 82 GND
*
* 0.35
ge/ws
T12b /8 KL15a
0.35 ge/ws
T26c /26
0.35 ge/ws
T17c /3
T8j /6 1.5
ge
T3bb /2 KL30a
1.5 ge
T3bc /2 KL30a 1.5
ge
T3bd /2 KL30a
0.35 ge/ws
T8ag /6
T8v /8 KL15a
*2
413 377
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Adaptive cruise control unit, Parking aid control unit, Front camera for driver assist systems, Fuse holder C, 12 V socket, 12 V socket 3, 12 V socket 4, USB charging socket 1
J329 Terminal 15 voltage supply relay J428 Adaptive cruise control unit J446 Parking aid control unit
R242 Front camera for driver assist systems SC Fuse holder C
SC48 Fuse 48 on fuse holder C SC52 Fuse 52 on fuse holder C SC58 Fuse 58 on fuse holder C T3bb 3-pin connector, colourless T3bc 3-pin connector, colourless T3bd 3-pin connector, colourless T4az 4-pin connector, brown T8ag 8-pin connector, black
T8j 8-pin connector, black T8v 8-pin connector, black T12b 12-pin connector, brown T17c 17-pin connector, brown T17f 17-pin connector, brown T26c 26-pin connector, black
TIUL Coupling point in interior, below left TSFV1 Coupling point 1 for front bumper
U5 12 V socket U19 12 V socket 3 U20 12 V socket 4 U37 USB charging socket 1
A199 Positive connection 4 (15a) in dash panel wiring harness
B680 Connection (electric socket), in interior wiring harness
Caddy Current Flow Diagram No. 1 / 29
11.2020
393 394 395 396 397 398 399 400 401 402 403 404 405 406 SB0-001301120 TIUL
SC
U26
THKL
* A38
H
12F
4G
805THK
*
Q157
*
V
12Z
1SC
59SC
60SC
61SC
66J
9SC
67Y
7*
* *
*2
*2
*2 *2 * * *
0.35 gn/sw
143 T17c /9
0.5 gn/bl
408 92 CTRL
0.35 ge/gr
T17c /10 0.35 gn/rt 342
T17f /8
0.35 gn/sw
T17f /9 61A KL15a
0.75 gr *
T10n /10 66A KL15a
2.5 sw
2.5 sw 405
401
* *
T10n /2
67A KL87a
0.5 gr/bl
352 91 KL30a
0.35 ge/gr
59A KL15a
0.35 ge/gr
T17f /10
0.35 ge/gr
375
*
*
0.35 gn/rt
T17c /8
T3ao /3 KL30a
0.35 ge/gr
357
0.35 ge/gr
T2z /1 KL15a
0.35 ge/gr
T3am /3 KL15a
2.5 sw *
67A KL87a
T10k /2
0.75 ws *
T4bc /3 KL15a
0.75 ws *
T4bc /4 KL15a 0.75
ws * T10p /10
2.5 ws *
T1qb /1 KL87a T10p /2
2.5 ws
2.5 ws 406
400
* *
T1qb /1 KL87a
T10j /2
*2 0.35
bl/vi
365 60A KL15a
0.35 ge/gr
T8ad /1 KL15a
143
408
342 405
401 352
375 357
406
400 365
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Reversing light switch, Pressure sender for refrigerant circuit, Alarm horn, Fuse holder C, Rear window wiper motor, Automatic anti-dazzle interior mirror, Heated rear window
F4 Reversing light switch
G805 Pressure sender for refrigerant circuit H12 Alarm horn
J9 Heated rear window relay SC Fuse holder C
SC59 Fuse 59 on fuse holder C SC60 Fuse 60 on fuse holder C SC61 Fuse 61 on fuse holder C SC66 Fuse 66 on fuse holder C SC67 Fuse 67 on fuse holder C
T1qb 1-pin connector T2z 2-pin connector, black T3am 3-pin connector, black T3ao 3-pin connector, black T4bc 4-pin connector, black T8ad 8-pin connector, black T10j 10-pin connector, blue T10k 10-pin connector, blue T10n 10-pin connector, black T10p 10-pin connector, black T17c 17-pin connector, brown
T17f 17-pin connector, brown THK Coupling point for rear lid
THKL Coupling point on rear lid, left, in left side panel, to rear lid TIUL Coupling point in interior, below left
V12 Rear window wiper motor
Y7 Automatic anti-dazzle interior mirror Z1 Heated rear window
A38 Positive connection 2 (15a) in dash panel wiring harness
Q157 Connection 1 in rear wing door wiring harness
U26 Connection (15), in gearbox switch wiring harness
* According to equipment
Caddy Current Flow Diagram No. 1 / 30
11.2020
407 408 409 410 411 412 413 414 415 416 417 418 419 420 SB0-001311120
J
623J
5190.35 br/rt
149
* T94a /49 KL50
0.35 br/gn
143
* T94a /70 KL50
0.35 * br/gn
144
*2
*2
T91a /72 KL50
0.35 br/rt
148
*2
*2
T91a /89 KL50
*2 1.0 *2 * * *
sw/ws
109 T46b /43 CTRL
0.75 gr/ge
78 T46b /25 GND
0.75 bl/gn
72 T46b /26 GND
0.5 gn/bl
404 T73b /24 CTRL
4.0 rt/bl
277 T73a /73 KL30a
0.35 ge/br
385 T73a /13 CTRL
2.5 rt/sw
254 T73b /73 KL30a
4.0 rt/ws
338 T73b /1 KL30a
4.0 rt
275 T73a /66 KL30a
*
* *2
149
143 144 148
109 78
72
404 277 385 275 338 254
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Onboard supply control unit, Engine/motor control unit
J519 Onboard supply control unit J623 Engine/motor control unit T46b 46-pin connector, black T73a 73-pin connector, black T73b 73-pin connector, black T91a 91-pin connector, black T94a 94-pin connector, black
* For models with 1.5l petrol engine
*2 For models with diesel engine
Caddy Current Flow Diagram No. 1 / 31
11.2020
421 422 423 424 425 426 427 428 429 430 431 432 433 434 SB0-001321120
J
6230.35 ws/ge
151
* T94a /85 SIG
0.35 bl/gr
157 T91a /87 CTRL
0.35 bl/ws
98 T91a /86 KL30a
0.35 ws/ge
152
*2
*2
T91a /78 SIG
1.0 bl/sw
157
*2 T91a /6 KL87a
1.0 bl/sw
158
*2 T91a /5 KL87a
1.0 bl/sw
159
*2 T91a /3 KL87a
1.0 bl/sw
160
* T94a /6 KL87a
0.35 vi/sw
52
*2
*2
T91a /55 CTRL
0.35 vi/gr
51
*2
*2
T91a /77 SIG
0.35 br/ws
200 T91a /38 CTRL
1.0 bl/sw
161
* T94a /5 KL87a
151 98 157
152 161 160 157 159 158 52 200 51
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Engine/motor control unit
J623 Engine/motor control unit T91a 91-pin connector, black T94a 94-pin connector, black
* For models with 1.5l petrol engine
*2 For models with diesel engine
Caddy Current Flow Diagram No. 1 / 32
11.2020
Earthing concept
From September 2020
Caddy Current Flow Diagram No. 2 / 1
11.2020
1 2 3 4 5 6 7 8 9 10 11 12 13 14 SB0-002021120 11
J
36713 132
*
NX
6J
10428 85
*2
J
50020.0 sw *3
T1pr /1 GND
25.0 sw *3
T1pr /1 GND
4.0 br * 4.0
br * T26a /9 GND
4.0 br *
T46a /14 GND
4.0 br *
T46a /46 GND
4.0 br 4.0
br
4
11
*2
*2 T26a /9 GND
4.0 br
4.0 br
7
13
*2
*2 T46a /14 GND
4.0 br
4.0 br
8
14
*2
*2 T46a /46 GND
4.0 br *2 10.0
br T2bm /1 GND 4
11
7
13
8
14
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
ABS control unit, Battery monitor control unit, Power steering control unit, Brake servo
J104 ABS control unit
J367 Battery monitor control unit J500 Power steering control unit
NX6 Brake servo T1pr 1-pin connector T2bm 2-pin connector, black
T26a 26-pin connector, black T46a 46-pin connector, black
11 Earth point, in battery box
13 Earth point, on right in engine compartment
28 Earth point, on bulkhead
85 Earth connection 1, in engine compartment wiring harness
132 Earth connection 3, in engine compartment wiring harness
* For left-hand drive models
*2 For right-hand drive models
*3 According to equipment
Caddy Current Flow Diagram No. 2 / 2
11.2020
15 16 17 18 19 20 21 22 23 24 25 26 27 28 SB0-002031120
131 131
209
M
18N
279 VM
J
743TM
V
475M
317
671
L
22MX
1SR
3*
419 419
1.0 br
0.35 br
T2bq /1 GND
0.35 br
T2cc /2 GND
2.5 br
T5b /1
2.5 br
T4bb /4 GND
1.0 br
T16b /16 GND
2.5 br
T5a /1 T4bd /1 GND
4.0 br
4.0 br 1.5
br T2bo /2 GND
2.5 br *2
T14l /5 GND
1.5 br *3
T10ab /5 GND
2.5 br
T10ae /4B GND
1.0 br 2.5
br
74
T4bb /4 GND
74
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Mechatronic unit for dual clutch gearbox, Left fog light bulb, Front left headlight, Left turn signal repeater bulb, Heater coolant shut-off valve, Relay and fuse carrier 3, Windscreen wiper motor, Auxiliary hydraulic pump 1 for gearbox oil
J743 Mechatronic unit for dual clutch gearbox L22 Left fog light bulb
MX1 Front left headlight
M18 Left turn signal repeater bulb N279 Heater coolant shut-off valve
SR3 Relay and fuse carrier 3 T2bo 2-pin connector, black T2bq 2-pin connector, black T2cc 2-pin connector, black T4bb 4-pin connector, black T4bd 4-pin connector, black T5a 5-pin connector, black T5b 5-pin connector, black T10ab 10-pin connector, black T10ae 10-pin connector, black T14l 14-pin connector, black T16b 16-pin connector, black
TM Coupling point in engine compartment V Windscreen wiper motor
V475 Auxiliary hydraulic pump 1 for gearbox oil
131 Earth connection 2, in engine compartment wiring harness
209 Earth connection 6, in engine compartment wiring harness
317 Earth connection 7, in engine compartment wiring harness
419 Earth connection 11, in engine compartment wiring harness
671 Earth point 1, on front of left longitudinal member
* see applicable current flow diagram for fuse assignment
*2 For models with LED headlights
*3 For models with no LED headlights
Caddy Current Flow Diagram No. 2 / 3
11.2020
29 30 31 32 33 34 35 36 37 38 39 40 41 42 SB0-002041120 TML
*
*2
131
TML
*3
VX
81TML
*3
G
266TML
*
*2
85
*
*2
V
488*
*2
M
419 419
TSFVL
J
428TSFVL 345
J
1192J
11930.5 br *
*2 T8g /3
0.5 br *3
T4e /3
0.5 br *3
T6b /5
0.5 br *2
* T8f /5
0.5 br *3
T4b /3 T2dd /2 GND
0.5 br *3
T6c /5
T3r /2 GND
0.5 br *
*2
T8h /5 T3r /2 GND
0.5 br *
*2
T2dd /2 GND
1.0 br *
*2
T8b /3 0.5 br *
*2 T3bg /1 GND
0.35 br
T8j /3
0.5 br
T6g /4 0.35
br
T8ag /3 T8v /5 GND
0.5 br
T6ar /4
0.35 br
T6x /4 GND
0.35 br
T6y /4 GND
0.35 br
T6y /5 GND
ws = white sw = black ro = red rt = red br = brown gn = green bl = blue gr = grey li = purple vi = purple ge = yellow or = orange rs = pink
Oil level and oil temperature sender, Adaptive cruise control unit, Control unit 2 for break-in protection, Control unit 3 for break-in protection, Air conditioner compressor, Auxiliary pump for heating
G266 Oil level and oil temperature sender J428 Adaptive cruise control unit J1192 Control unit 2 for break-in protection J1193 Control unit 3 for break-in protection
T2dd 2-pin connector, black T3bg 3-pin connector, black T3r 3-pin connector, black T4b 4-pin connector, black T4e 4-pin connector, black T6ar 6-pin connector, black T6b 6-pin connector, black T6c 6-pin connector, black T6g 6-pin connector, black T6x 6-pin connector, black T6y 6-pin connector, black T8ag 8-pin connector, black T8b 8-pin connector, black T8f 8-pin connector, black T8g 8-pin connector, black T8h 8-pin connector, black T8j 8-pin connector, black T8v 8-pin connector, black
TML Coupling point in engine compartment, left TSFVL Coupling point on front left bumper
VX81 Air conditioner compressor V488 Auxiliary pump for heating
85 Earth connection 1, in engine compartment wiring harness
131 Earth connection 2, in engine compartment wiring harness
345 Earth connection, in bumper wiring harness
419 Earth connection 11, in engine compartment wiring harness
* For models with diesel engine
*2 For models with 2.0l engine
*3 For models with 1.5l petrol engine
Caddy Current Flow Diagram No. 2 / 4
11.2020
43 44 45 46 47 48 49 50 51 52 53 54 55 56 SB0-002051120 419
SB
*
SR
1*
J
446G
252G
253G
254G
255G
568G
569TSFV
1 348F
329F
266TSFVL
0.35 br
T47a /52 GND
0.35 br
T13b /122 GND
0.5 br
T6as /4
0.5 br
T6as /6
0.35 br
T8i /7
T18b /9 GND
0.35 br
T3o /3 GND
0.35 br
T3n /3 GND
0.35 br
T3ac /3 GND
0.35 br
T8k /7
0.35 br
T3ab /3 GND
0.35 br
T3q /3 GND
0.35 br
T3p /3 GND
0.5 br
T2hp /2 GND
T6be /4
0.5 br
T6be /6 T2hq /2 GND
0.35 br 127
T26c /6 GND 127
