VW CADDY 2017 – 1.6l diesel engine, CAYE . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW CADDY 2017 - Battery - Starter - Alternator - Battery monitor control unit - Onboard supply control unit

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J367	Battery monitor control unit
J519	Onboard supply control unit
T2	2-pin connector, black
T2ai	2-pin connector, black
T2c	2-pin connector, near starter, black
T4t	4-pin connector, near starter, black
T52a	52-pin connector, black
508	Threaded connection (30) on E-box
A209	Connection 1 (LIN bus) in dash panel wiring harness
B319	Positive connection 5 (30a) in main wiring harness
*	Only models with start/stop system
*2	Only right-hand drive models
*3	Only models with no air conditioning system
*4	Only models with 110 A alternator
*5	Only models with no start/stop system
*6	Only models with air conditioning system
*7	Only models with 140 A/ 180 A alternator

Wiring Diagram VW CADDY 2017 - Alternator - Onboard supply control unit - Fuse holder A - Fuse holder C

C	Alternator
C1	Voltage regulator
J519	Onboard supply control unit
SA	Fuse holder A
SA1	Fuse 1 in fuse holder A
SA5	Fuse 5 in fuse holder A
SC	Fuse holder C
SC43	Fuse 43 on fuse holder C
T2ah	2-pin connector, black
T2c	2-pin connector, near starter, black
T4t	4-pin connector, near starter, black
T52c	52-pin connector, brown
508	Threaded connection (30) on E-box
B177	Connection (61), in interior wiring harness
*	Only models with no start/stop system
*2	Only models with 110 A alternator
*3	Only models with 140 A/ 180 A alternator
*4	Only models with start/stop system
*5	Only models with air conditioning system
*6	Only models with no air conditioning system

Wiring Diagram VW CADDY 2017 - Onboard supply control unit - Terminal 50 voltage supply relay - Fuse holder C

J519	Onboard supply control unit
J682	Terminal 50 voltage supply relay
SC	Fuse holder C
SC10	Fuse 10 on fuse holder C
SC13	Fuse 13 on fuse holder C
SC14	Fuse 14 on fuse holder C
SC16	Fuse 16 on fuse holder C
SC57	Fuse 57 on fuse holder C
T52b	52-pin connector, white
508	Threaded connection (30) on E-box
A32	Positive connection (30), in dash panel wiring harness
A192	Positive connection 3 (15a) in dash panel wiring harness
A201	Positive connection 6 (15a) in dash panel wiring harness
B135	Connection 1 (15a), in interior wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B276	Positive connection (50), in main wiring harness
B321	Positive connection 7 (30a) in main wiring harness
*	Only models with start/stop system
*2	Only models with no start/stop system
*3	Only models with crankcase breather heater element
*4	Only models with flexible service interval display

Wiring Diagram VW CADDY 2017 - Terminal 15 voltage supply relay - Onboard supply control unit - Voltage stabiliser - Starter relay 1 - Starter relay 2 - Fuse holder B

J329	Terminal 15 voltage supply relay
J519	Onboard supply control unit
J532	Voltage stabiliser
J906	Starter relay 1
J907	Starter relay 2
SB	Fuse holder B
SB7	Fuse 7 on fuse holder B
SB8	Fuse 8 on fuse holder B
T12c	12-pin connector, black
T40	40-pin connector, black
T52b	52-pin connector, white
T52c	52-pin connector, brown
373	Earth connection 8, in main wiring harness
377	Earth connection 12, in main wiring harness
508	Threaded connection (30) on E-box
A32	Positive connection (30), in dash panel wiring harness
B135	Connection 1 (15a), in interior wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B660	Connection (diagnosis terminal 50), in main wiring harness
*	Only models with start/stop system
*2	Only left-hand drive models
*3	Only models with no start/stop system
*4	Only right-hand drive models

Wiring Diagram VW CADDY 2017 - Automatic glow period control unit - Onboard supply control unit - Glow plug 1 - Glow plug 2 - Glow plug 3 - Glow plug 4 - Fuse holder B - Push-in bridge

J179	Automatic glow period control unit, on left under E-box
J519	Onboard supply control unit
Q10	Glow plug 1
Q11	Glow plug 2
Q12	Glow plug 3
Q13	Glow plug 4
SB	Fuse holder B
SB3	Fuse 3 on fuse holder B
SB14	Fuse 14 on fuse holder B
SB20	Fuse 20 on fuse holder B
SB21	Fuse 21 on fuse holder B
SB23	Fuse 23 on fuse holder B
SB24	Fuse 24 on fuse holder B
SB27	Fuse 27 on fuse holder B
T11	11-pin connector
T14a	14-pin connector, near left headlight, black
TV23	Push-in bridge
T40	40-pin connector, black
D183	Connection 4 (87a) in engine compartment wiring harness
*	Only right-hand drive models

Wiring Diagram VW CADDY 2017 - Fuel gauge sender - Fuel system pressurisation pump - Fuel pump relay - Onboard supply control unit - Fuel supply relay - Engine component current supply relay - Fuse holder B

G	Fuel gauge sender
G6	Fuel system pressurisation pump
J17	Fuel pump relay
J519	Onboard supply control unit
J643	Fuel supply relay
J757	Engine component current supply relay
SB	Fuse holder B
SB10	Fuse 10 on fuse holder B
SB13	Fuse 13 on fuse holder B
SB15	Fuse 15 on fuse holder B
SB22	Fuse 22 on fuse holder B
T5a	5-pin connector, black
T40	40-pin connector, black
T52b	52-pin connector, white
B150	Positive connection 2 (30a), in interior wiring harness
B350	Positive connection 1 (87a) in main wiring harness
D78	Positive connection 1 (30a), in engine compartment wiring harness
D183	Connection 4 (87a) in engine compartment wiring harness
*	Only models with auxiliary heating
*2	Only models with manual gearbox
*3	Only models with dual clutch gearbox (DSG)

Wiring Diagram VW CADDY 2017 - Onboard supply control unit

J519	Onboard supply control unit
T52a	52-pin connector, black
T52b	52-pin connector, white
T52c	52-pin connector, brown
372	Earth connection 7, in main wiring harness
375	Earth connection 10, in main wiring harness
*	Only models with start/stop system
*2	Only models with manual gearbox
*3	Only models with no start/stop system
*4	Only left-hand drive models
*5	Only models with dual clutch gearbox 0AM
*6	Only right-hand drive models

Wiring Diagram VW CADDY 2017 - Onboard supply control unit - Steering column electronics control unit - Engine control unit

J519	Onboard supply control unit
J527	Steering column electronics control unit
J623	Engine control unit, central in plenum chamber
T16a	16-pin connector, black
T52c	52-pin connector, brown
T94	94-pin connector, black
B273	Positive connection (15), in main wiring harness
*	Only models with start/stop system
*2	Only models with no start/stop system

Wiring Diagram VW CADDY 2017 - Engine control unit - Heater element for crankcase breather

J623	Engine control unit, central in plenum chamber
N79	Heater element for crankcase breather
T94	94-pin connector, black
131	Earth connection 2, in engine compartment wiring harness
D182	Connection 3 (87a) in engine compartment wiring harness
*	Only models with start/stop system
*2	Only models with crankcase breather heater element
*3	Only models with no air conditioning system
*4	Only models with air conditioning system
*5	Only models with manual gearbox

Wiring Diagram VW CADDY 2017 - Start/Stop operation button - Accelerator pedal module - Engine control unit

E693	Start/Stop operation button
GX2	Accelerator pedal module
G79	Accelerator position sender
G185	Accelerator position sender 2
J623	Engine control unit, central in plenum chamber
K259	Start/Stop operation warning lamp
L76	Button illumination bulb
T6l	6-pin connector, blue
T6y	6-pin connector, black
T94	94-pin connector, black
A199	Positive connection 4 (15a) in dash panel wiring harness
B340	Connection 1 (58d), in main wiring harness
*	Only models with start/stop system

Wiring Diagram VW CADDY 2017 - Charge pressure sender - Intake air temperature sender - Exhaust gas pressure sensor 1 - Gearbox neutral position sender - Engine control unit

G31	Charge pressure sender
G42	Intake air temperature sender
G450	Exhaust gas pressure sensor 1
G701	Gearbox neutral position sender
J623	Engine control unit, central in plenum chamber
T3ah	3-pin connector, black
T3ai	3-pin connector
T4u	4-pin connector, front left in engine compartment
T94	94-pin connector, black
316	Earth connection (sender earth 2) in engine wiring harness
B369	Connection 1 (5V), in main wiring harness
*	Not for models with Euro 3 emission standard
*2	Only models with manual gearbox
*3	Only models with start/stop system
*4	Only models with Euro 3 emission standard

Wiring Diagram VW CADDY 2017 - Lambda probe - Air mass meter - Engine control unit

G39	Lambda probe
G70	Air mass meter
J623	Engine control unit, central in plenum chamber
T3ag	3-pin connector, black
T6r	6-pin connector, in rear of engine compartment, black
T94	94-pin connector, black
Z19	Lambda probe heater
E30	Connection (87a), in engine wiring harness
*	Not for models with Euro 3 emission standard
*2	Only models with auxiliary air heater

Wiring Diagram VW CADDY 2017 - Coolant temperature sender - Fuel temperature sender - Radiator outlet coolant temperature sender - Exhaust gas temperature sender 1 - Exhaust gas temperature sender 3 - Exhaust gas temperature sender 4 - Engine control unit

G62	Coolant temperature sender
G81	Fuel temperature sender
G83	Radiator outlet coolant temperature sender
G235	Exhaust gas temperature sender 1
G495	Exhaust gas temperature sender 3
G648	Exhaust gas temperature sender 4
J623	Engine control unit, central in plenum chamber
T2bo	2-pin connector, in rear of engine compartment, black
T2bp	2-pin connector, in rear of engine compartment, brown
T2bq	2-pin connector, in rear of engine compartment, light brown
T14a	14-pin connector, near left headlight, black
T60	60-pin connector, black
T94	94-pin connector, black
327	Earth connection (sender earth), in engine compartment wiring harness
328	Earth connection 2 (sender earth), in engine compartment wiring harness
*	Not for models with Euro 3 emission standard

Wiring Diagram VW CADDY 2017 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4 - Fuel pressure regulating valve - Fuel metering valve

J623	Engine control unit, central in plenum chamber
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
N276	Fuel pressure regulating valve
N290	Fuel metering valve
T14a	14-pin connector, near left headlight, black
T60	60-pin connector, black
D197	Connection 5 (87a) in engine compartment wiring harness

Wiring Diagram VW CADDY 2017 - Engine control unit - Charge pressure control solenoid valve - Exhaust gas recirculation cooler changeover valve - Coolant circulation pump 2

J623	Engine control unit, central in plenum chamber
N75	Charge pressure control solenoid valve
N345	Exhaust gas recirculation cooler changeover valve
T4x	4-pin connector, on radiator fan, bottom left, black
T14a	14-pin connector, near left headlight, black
T60	60-pin connector, black
T94	94-pin connector, black
V178	Coolant circulation pump 2
317	Earth connection 7, in engine compartment wiring harness
640	Earth point 2, left in engine compartment
D102	Connection 2 in engine compartment wiring harness
D180	Connection (87a), in engine compartment wiring harness
*	Radiator fan connection

Wiring Diagram VW CADDY 2017 - Throttle valve potentiometer - Fuel pressure sender - Position sender for charge pressure positioner - Throttle valve module - Engine control unit

G69	Throttle valve potentiometer
G212	Exhaust gas recirculation potentiometer
G247	Fuel pressure sender
G581	Position sender for charge pressure positioner
J338	Throttle valve module
J623	Engine control unit, central in plenum chamber
N18	Exhaust gas recirculation valve
T5q	5-pin connector, black
T6o	6-pin connector, grey
T60	60-pin connector, black
220	Earth connection (sender earth), in engine wiring harness
D101	Connection 1 in engine compartment wiring harness

Wiring Diagram VW CADDY 2017 - Brake light switch - Hall sender - Engine control unit

F	Brake light switch
G40	Hall sender
J623	Engine control unit, central in plenum chamber
T3z	3-pin connector, on front of engine, black
T4w	4-pin connector, black
T60	60-pin connector, black
T94	94-pin connector, black
209	Earth connection 6, in engine compartment wiring harness
220	Earth connection (sender earth), in engine wiring harness
B131	Connection (54), in interior wiring harness
B351	Positive connection 2 (87a) in main wiring harness
D101	Connection 1 in engine compartment wiring harness
*	Only models with manual gearbox
*2	Only models with dual clutch gearbox (DSG)

Wiring Diagram VW CADDY 2017 - Clutch position sender - Engine control unit

G476	Clutch position sender
J623	Engine control unit, central in plenum chamber
J743	Mechatronic unit for dual clutch gearbox
T5m	5-pin connector, black
T25	25-pin connector, black
T94	94-pin connector, black
209	Earth connection 6, in engine compartment wiring harness
D112	Connection 10 in engine compartment wiring harness
*	Only models with start/stop system
*2	Only models with dual clutch gearbox 0AM
*3	Only models with manual gearbox
*4	Only models with no start/stop system
*5	Only left-hand drive models
*6	Only right-hand drive models

Wiring Diagram VW CADDY 2017 - Engine speed sender - Engine control unit

E16	Heater/heat output switch
G28	Engine speed sender
J104	ABS control unit
J359	Low heat output relay
J360	High heat output relay
J623	Engine control unit, central in plenum chamber
T3t	3-pin connector, black
T20c	20-pin connector, black
T38	38-pin connector, brown
T60	60-pin connector, black
T94	94-pin connector, black
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
*	Only models with auxiliary air heater
*2	Only models with no air conditioning system
*3	Only models with start/stop system

Wiring Diagram VW CADDY 2017 - Multifunction indicator - Control unit in dash panel insert - Data bus diagnostic interface - Diagnostic connection

J119	Multifunction indicator
J285	Control unit in dash panel insert
J533	Data bus diagnostic interface
K83	Exhaust emissions warning lamp
K132	Electronic power control fault lamp
T16	16-pin connector, purple
T20	20-pin connector, red
T32	32-pin connector, blue
U31	Diagnostic connection
367	Earth connection 2, in main wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
B397	Connection 1 (convenience CAN bus, high), in main wiring harness
B406	Connection 1 (convenience CAN bus, low), in main wiring harness
*	Only models with start/stop system

Wiring Diagram VW CADDY 2017 - Oil pressure switch - Fuel gauge - Coolant temperature gauge - Coolant shortage indicator sender - Oil level and oil temperature sender - Control unit in dash panel insert - Glow period warning lamp - Diesel particulate filter warning lamp

F1	Oil pressure switch
G1	Fuel gauge
G3	Coolant temperature gauge
G32	Coolant shortage indicator sender
G266	Oil level and oil temperature sender
H3	Buzzer and gong
J285	Control unit in dash panel insert
K3	Oil pressure warning lamp
K29	Glow period warning lamp
K31	Cruise control system warning lamp
K38	Oil level warning lamp
K105	Reserve fuel warning lamp
K231	Diesel particulate filter warning lamp
T6z	6-pin connector, near left headlight, black
T14a	14-pin connector, near left headlight, black
T32	32-pin connector, blue
367	Earth connection 2, in main wiring harness
410	Earth connection 1 (sender earth) in main wiring harness
*	Only models with flexible service interval display

VW CADDY 2017 Overview of earth points in front part of vehicle

Overview of earth points in front part of vehicle

1	Earth strap, battery - body

q	Specified torque: 20 Nm

13	Earth point, on right in engine compartment

q	Specified torque: 9 Nm

15	Earth point on cylinder head

q	Specified torque: 9 Nm

607	Earth point on left in plenum chamber

q	Specified torque: 9 Nm

609	Earth point on right in plenum chamber

q	Specified torque: 9 Nm

624	Earth point, starter battery

q	Specified torque: 9 Nm

642	Earth point for electronically controlled fan

q	Specified torque: 9 Nm

652	Earth point, engine and gearbox earth

q	Specified torque: 20 Nm

655	Earth point on left headlight

q	Specified torque: 9 Nm

656	Earth point on right headlight

q	Specified torque: 9 Nm

Back to overview

VW CADDY 2017 Overview of earth points in interior of vehicle

Overview of earth points in interior of vehicle

71	Earth point, front roof cross member

q	Specified torque: 2 Nm

602	Earth point in front left footwell

q	Specified torque: 9 Nm

605	605 Earth point on top end of steering column

q	Specified torque: 9 Nm

45	Earth point behind centre dash panel

q	Specified torque: 9 Nm

47	Earth point in front right footwell

q	Specified torque: 9 Nm

Back to overview

VW CADDY 2017 Overview of earth points in rear part of vehicle

Overview of earth points in rear part of vehicle

662	Earth point in rear left side panel

q	Specified torque: 9 Nm

663	Earth point, rear right side panel

q	Specified torque: 9 Nm

705	Earth point on fuel tank

q	Specified torque: 9 Nm

Back to overview

VW CADDY 2017 Overview of fuses

Overview of fuses

1 -	Fuses (SA) on fuse holder A

q	Fuse assignment, from June 2015

2 -	Fuses (SB) on fuse holder B

q	Fuse assignment, from June 2015

3 -	Fuses (SC) on fuse holder C

q	Fitting location right-hand drive

q	Fuse assignment, from June 2015

Fuses (SA) on fuse holder A Fitting location, fuse holder A -SA- On left in engine compartment, on front E-box.

1 -	Fuse holder A -SA-

Fuse colours for MIDI strip fuse:

t	200 A - purple

t	150 A - grey

t	125 A - pink

t	100 A - blue

t	80 A - white / transparent

t	70 A - brown

t	60 A - yellow

t	50 A - red

t	40 A - green

t	30 A - orange

Multifuse strip fuse → Rep. Gr. 97   Note: The fuse strip (multifuse) must be replaced as a complete unit. Back to overview

Fuses (SB) on fuse holder B

Fitting location of fuse holder B -SB-

On left in engine compartment, on E-box.

   

1 -	Fuse holder B -SB-

Fuse colours for ATO flat fuse:

t	40 A - orange

t	35 A - green-blue

t	30 A - light green

t	25 A - transparent

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

t	1 A - black

Fuse colours for Maxi ATO flat fuse:

t	60 A - blue

t	50 A - red

t	40 A - orange

t	30 A - light green

t	20 A - yellow

Back to overview

Fuses (SC) on fuse holder C

Fitting location, fuse holder C -SC- , left-hand drive

under dash panel on left.

   

1 -	Fuse holder C -SC-

Fuse colours for ATO flat fuse:

t	40 A - orange

t	35 A - green-blue

t	30 A - light green

t	25 A - transparent

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

t	1 A - black

Back to overview Fitting location, fuse holder C -SC- , right-hand drive On right under dash panel.

1 -	Fuse holder C -SC-

Fuse colours for ATO flat fuse:

t	40 A - orange

t	35 A - green-blue

t	30 A - light green

t	25 A - transparent

t	20 A - yellow

t	15 A - light blue

t	10 A - red

t	7.5 A - brown

t	5 A - light brown

t	1 A - black

Back to overview

   

VW CADDY 2017 Overview of relay carriers

Overview of relay carriers

1 -	Relay carrier under E-box

q	Components: J47, J179

q	Fitting location, from June 2015:

2 -

3 -	Relay carrier in footwell (special vehicles)

q	Components: J180, J601

q	Fitting location, from June 2015:

4 -	Relay carrier under dash panel

q	Components: J13, J17, J39, J49, J59, J359, J360, J413, J485, J630, J643, J682, J906, J907, J941, J963

q	Fitting location, left-hand drive, from June 2015:

q	Fitting location, right-hand drive, from June 2015:

Relay carrier under E-box Fitting location, from June 2015: On left in engine compartment.

1 -	Heated windscreen relay -J47-

2 -	Automatic glow period control unit -J179-

Back to overview . VW CADDY 2017 Relay​​ carrier​​ on​​ E-box​​ Relay​​ carrier​​ on​​ E-box​​ Fitting location, from June 2015: On left in engine compartment, on E-box.

R1 -	Engine component current supply relay -J757- (100)

R2 -	Additional coolant pump relay -J496- (100)

-	Push-in bridge -TV23-

Back to overview . VW CADDY 2017 Relay carrier in footwell (special vehicles) Relay carrier in footwell (special vehicles) Fitting location, from June 2015: In front left in footwell

1 -	Switch-over relay 1 for roof ventilator -J180- (645)

-	Taxi alarm remote control, control unit -J601-

Back to overview . VW CADDY 2017 Relay carrier under dash panel Relay carrier under dash panel Fitting location, left-hand drive, from June 2015: under dash panel on left.   Note: t  Figure shows left-hand drive model. t  Figure for right-hand drive models .

A -	Top relay carrier:

1a -	Relay socket (blue)

Horn relay -J413- (646)

1b -	Relay socket (blue)

Headlight washer system relay -J39- (646)

2 -	Relay socket (blue)

Fuel pump relay -J17- (646)

3a/3b -

Relay socket (brown)

Terminal 50 voltage supply relay -J682- (645)

4a/4b -

Relay socket (brown)

Heated rear window relay -J9- (645)

5 -	Relay socket (brown)

Fuel supply relay -J643- (646)

6a/6b -

Relay socket (green)

Starter relay 2 -J907- (507)

7a/7b -

Relay socket (white)

Terminal 15 voltage supply relay -J329- (645)

8 -	Relay socket (green)

Electric fuel pump 2 relay -J49- (646)

Relay for reducing agent metering system -J963- (646)

9a/9b -

Relay socket (black)

X-contact relief relay -J59- (644) , vehicles with no Climatronic

X-contact relief relay -J59- (645) , vehicles with Climatronic

B -	Bottom relay carrier:

1a/1b -

Relay socket (white)

Auxiliary heater operation relay -J485- (645)

2a/2b -

Relay socket (white)

High heat output relay -J360- (644)

3a/3b -

Relay socket (red)

Low heat output relay -J359- (645)

4 -	Relay socket (blue)

Fresh air blower relay -J13- (646)

5a/5b -

Relay socket (black)

Flashing lights relay -J630- (645)

5b -	Relay socket (green)

Trailer voltage supply relay -J941- (646)

Back to overview . VW CADDY 2017 Relay carrier under dash panel Relay carrier under dash panel Fitting location, right-hand drive, from June 2015: On right under dash panel.   Note: t  Figure​shows​right-hand drive model. t  Figure for left-hand drive models

A -	Top relay carrier:

1a -	Relay socket (blue)

Horn relay -J413- (646)

1b -	Relay socket (blue)

Headlight washer system relay -J39- (646)

2 -	Relay socket (blue)

Fuel pump relay -J17- (646)

3a/3b -

Relay socket (brown)

Terminal 50 voltage supply relay -J682- (645)

4a/4b -

Relay socket (brown)

Heated rear window relay -J9- (645)

5 -	Relay socket (brown)

Fuel supply relay -J643- (646)

6a/6b -

Relay socket (green)

Starter relay 2 -J907- (507)

7a/7b -

Relay socket (white)

Terminal 15 voltage supply relay -J329- (645)

8 -	Relay socket (green)

Electric fuel pump 2 relay -J49- (646)

Relay for reducing agent metering system -J963- (646)

9a/9b -

Relay socket (black)

X-contact relief relay -J59- (644) , vehicles with no Climatronic

X-contact relief relay -J59- (645) , vehicles with Climatronic

B -	Bottom relay carrier:

1a -

-

1b -

-

2a/2b -

Relay socket (white)

High heat output relay -J360- (644)

3a/3b -

Relay socket (red)

Low heat output relay -J359- (645)

4 -	Relay socket (blue)

Trailer voltage supply relay -J941- (646)

5a -

-

5b -

-

Back to overview .