VW POLO 2015 – Earthing concept . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2015 - Battery - Radiator fan thermal switch - Treble horn - Bass horn - Battery monitor control unit - Left fog light bulb - Front left headlight - Earth strap - battery - body - Earth connection 1 - in engine compartment wiring harness

A	Battery
F18	Radiator fan thermal switch
H2	Treble horn
H7	Bass horn
J367	Battery monitor control unit
L22	Left fog light bulb
MX1	Front left headlight
T2fc	2-pin connector
T2fd	2-pin connector
T2nr	2-pin connector
T3ak	3-pin connector
T10l	10-pin connector
T14e	14-pin connector
85	Earth connection 1, in engine compartment wiring harness
*	Headlight with gas discharge light
*2	Only models with battery in luggage compartment
*3	Only models with no start/stop system
*4	Only models with start/stop system

Wiring Diagram VW POLO 2015 - High-pressure sender - Radiator fan control unit - Air conditioner compressor regulating valve - Radiator fan - Headlight washer system pump - Earth connection 1 - in engine compartment wiring harness

C24	Suppression filter
G65	High-pressure sender
H12	Alarm horn
J293	Radiator fan control unit
J641	Alarm horn relay
N280	Air conditioner compressor regulating valve
T2ar	2-pin connector
T2gv	2-pin connector
T2y	2-pin connector
T3af	3-pin connector
T3p	3-pin connector, black
T4dd	4-pin connector
T4de	4-pin connector
T4f	4-pin connector, black
TML	Coupling point in engine compartment, left
V7	Radiator fan
V11	Headlight washer system pump
VX57	Radiator fan
85	Earth connection 1, in engine compartment wiring harness
369	Earth connection 4, in main wiring harness
*	Pre-wired component
*2	Only models with battery in luggage compartment
*3	Only models with battery in engine compartment
*4	Only for South Africa

Wiring Diagram VW POLO 2015 - Bonnet contact switch - ABS control unit - Right fog light bulb - Right daytime running light bulb - Front right headlight - Left washer jet heater element - Right washer jet heater element - Earth connection - in right side engine compartment wiring harness - Earth point 1 at front of right longitudinal member

F266	Bonnet contact switch
J104	ABS control unit
L23	Right fog light bulb
L175	Right daytime running light bulb
MX2	Front right headlight
T2ba	2-pin connector
T2bc	2-pin connector
T2eq	2-pin connector
T2ns	2-pin connector
T2tm	2-pin connector
T10r	10-pin connector
T14f	14-pin connector
T38	38-pin connector
Z20	Left washer jet heater element
Z21	Right washer jet heater element
124	Earth connection, in right side engine compartment wiring harness
*	Headlight with gas discharge light

Wiring Diagram VW POLO 2015 - Selector lever - Brake light switch - Oil level and oil temperature sender - Clutch position sender - Automatic glow period control unit - Coolant circulation pump - Coolant circulation pump 2

E313	Selector lever
F	Brake light switch
G266	Oil level and oil temperature sender
G476	Clutch position sender
J179	Automatic glow period control unit
T3b	3-pin connector
T3f	3-pin connector
T3g	3-pin connector
T4e	4-pin connector
T5g	5-pin connector
T10m	10-pin connector
T11g	11-pin connector
V50	Coolant circulation pump
V178	Coolant circulation pump 2
366	Earth connection 1, in main wiring harness
367	Earth connection 2, in main wiring harness
*	Pre-wired component
*2	see applicable current flow diagram for engine

Wiring Diagram VW POLO 2015 - Engine control unit - Mechatronic unit for dual clutch gearbox

F1	Oil pressure switch
J623	Engine control unit
J743	Mechatronic unit for dual clutch gearbox
N276	Fuel pressure regulating valve
T2at	2-pin connector
T2au	2-pin connector
T14	14-pin connector
T14a	14-pin connector
T14b	14-pin connector
T14c	14-pin connector
T25	25-pin connector
T91	91-pin connector
T94	94-pin connector
TML	Coupling point in engine compartment, left
114	Earth connection, in automatic gearbox wiring harness
367	Earth connection 2, in main wiring harness
D203	Connection (oil pressure switch) in engine compartment wiring harness
*	see applicable current flow diagram for engine
*2	Only models with diesel engine
*3	Only models with petrol engine
*4	Only models with battery in luggage compartment

Wiring Diagram VW POLO 2015 - Rain and light sensor - Anti-theft alarm sensor - Onboard supply control unit - Centre interior light - Front passenger side illuminated vanity mirror - Driver side illuminated vanity mirror - Automatic anti-dazzle interior mirror

G397	Rain and light sensor
G578	Anti-theft alarm sensor
J245	Sliding sunroof adjustment control unit
J519	Onboard supply control unit
T2fr	2-pin connector
T2fs	2-pin connector
T2gr	2-pin connector
T2gs	2-pin connector
T3ag	3-pin connector
T3am	3-pin connector
T4pa	4-pin connector
T8b	8-pin connector
T10x	10-pin connector
T73a	73-pin connector
TH	Coupling point for roof
W7	Centre interior light
W14	Front passenger side illuminated vanity mirror
W20	Driver side illuminated vanity mirror
Y7	Automatic anti-dazzle interior mirror
82	Earth connection 1, in front left wiring harness
347	Earth connection, in roof wiring harness
*	Only left-hand drive models
*2	Only right-hand drive models
*3	Only models with rain and light sensor
*4	Only models with automatic anti-dazzle interior mirror

Wiring Diagram VW POLO 2015 - Fresh air blower control unit - Onboard supply control unit - Windscreen wiper motor - Fresh air blower

J126	Fresh air blower control unit
J519	Onboard supply control unit
T2ek	2-pin connector
T4u	4-pin connector
T6l	6-pin connector
T10h	10-pin connector
T10i	10-pin connector
T73a	73-pin connector
TARM	Coupling point on right A-pillar, middle
V	Windscreen wiper motor
V2	Fresh air blower
82	Earth connection 1, in front left wiring harness
83	Earth connection 1, in front right wiring harness
370	Earth connection 5, in main wiring harness
*	Only left-hand drive models
*2	Only right-hand drive models

Wiring Diagram VW POLO 2015 - Fuel delivery unit - Cigarette lighter - Heated seat cushion for driver seat - Heated seat cushion for front passenger seat

GX1	Fuel delivery unit
T2eg	2-pin connector
T2ei	2-pin connector
T2ej	2-pin connector
T2gg	2-pin connector
T3ad	3-pin connector
T5b	5-pin connector
TSVL	Coupling point for front left seat
TSVR	Coupling point for front right seat
U1	Cigarette lighter
Z6	Heated seat cushion for driver seat
Z8	Heated seat cushion for front passenger seat
Z35	Auxiliary air heater element
96	Earth connection 1, in seat heating wiring harness
238	Earth connection 1, in interior wiring harness
*	Only left-hand drive models
*2	Only right-hand drive models
*3	Only models with auxiliary air heating
*4	Only models with diesel engine

Wiring Diagram VW POLO 2015 - Driving mode selection button - Alarm horn - Electronically controlled damping control unit - Climatronic control unit - Air conditioning system control unit - Headlight range control unit - Fuel pump control unit - Heated front seats control unit - Rear centre reading light

E735	Driving mode selection button
H12	Alarm horn
J250	Electronically controlled damping control unit
J255	Climatronic control unit
J301	Air conditioning system control unit
J431	Headlight range control unit
J538	Fuel pump control unit
J576	Washer pump relay
J774	Heated front seats control unit
T3an	3-pin connector
T3d	3-pin connector
T6ks	6-pin connector
T10c	10-pin connector
T12e	12-pin connector
T16i	16-pin connector
T16n	16-pin connector
T18a	18-pin connector
T26a	26-pin connector
W44	Rear centre reading light
238	Earth connection 1, in interior wiring harness
277	Earth connection 3, in interior wiring harness

Wiring Diagram VW POLO 2015 - Rotary light switch - Steering column combination switch - Headlight washer system relay - Heater control unit - Control unit in dash panel insert - Adaptive cruise control unit - Diagnostic connection

E1	Light switch
EX1	Rotary light switch
E16	Heater/heat output switch
E595	Steering column combination switch
F138	Airbag coil connector and return ring with slip ring
F321	Parking brake contact switch
J39	Headlight washer system relay
J65	Heater control unit
J285	Control unit in dash panel insert
J428	Adaptive cruise control unit
J519	Onboard supply control unit
K	Dash panel insert
T2de	2-pin connector
T8ay	8-pin connector
T10	10-pin connector
T10k	10-pin connector
T12s	12-pin connector
T16	16-pin connector
T16a	16-pin connector
T16c	16-pin connector
T18	18-pin connector
T46b	46-pin connector
U31	Diagnostic connection
249	Earth connection 2, in interior wiring harness
277	Earth connection 3, in interior wiring harness
*	Only models with no start/stop system

Wiring Diagram VW POLO 2015 - Headlight range control and instrument illumination regulator - Heated driver seat regulator - Heated front passenger seat regulator - Hazard warning lights button

EX14	Headlight range control and instrument illumination regulator
E94	Heated driver seat regulator
E95	Heated front passenger seat regulator
E102	Headlight range control regulator
E229	Hazard warning lights button
J694	Terminal 75x voltage supply relay
J940	Terminal 15 relay
T6ac	6-pin connector
T6ad	6-pin connector
T6al	6-pin connector
T7lr	7-pin connector
249	Earth connection 2, in interior wiring harness
278	Earth connection 4, in interior wiring harness

Wiring Diagram VW POLO 2015 - Heated rear window button - TCS and ESP button - Parking aid button - Tyre Pressure Loss Indicator button - Start/Stop operation button

E230	Heated rear window button
E256	TCS and ESP button
E266	Parking aid button
E492	Tyre Pressure Loss Indicator button
E693	Start/Stop operation button
T6am	6-pin connector
T6bc	6-pin connector
T6c	6-pin connector
T6s	6-pin connector
T6ss	6-pin connector
278	Earth connection 4, in interior wiring harness

Wiring Diagram VW POLO 2015 - Multimedia system operating unit - Power steering control unit - Control unit 1 for information electronics - Reversing camera

E380	Multimedia system operating unit
J500	Power steering control unit
J794	Control unit 1 for information electronics
J984	Two-way signal amplifier for mobile telephone/data services
R189	Reversing camera
R265	Storage compartment with interface for mobile telephone
T2k	2-pin connector
T4bn	4-pin connector, black
T4ce	4-pin connector, black
T4j	4-pin connector, black
T8aq	8-pin connector, black
T12y	12-pin connector
266	Earth connection, in navigation wiring harness
270	Earth connection, in telephone wiring harness
*	Pre-wired component
*2	Only models with equipment for Japan
*3	Up to November 2014

Wiring Diagram VW POLO 2015 - Trailer detector control unit - Parking aid control unit - Left tail light - Right tail light - Trailer socket - Left number plate light - Right number plate light

F256	Rear lid lock unit
J345	Trailer detector control unit
J446	Parking aid control unit
MX3	Left tail light
MX4	Right tail light
M25	High-level brake light bulb
T2dx	2-pin connector
T2dy	2-pin connector
T2fa	2-pin connector
T4ag	4-pin connector
T4al	4-pin connector
T5c	5-pin connector
T5d	5-pin connector
T5ii	5-pin connector
T5ik	5-pin connector
T6	6-pin connector
T6av	6-pin connector
T6aw	6-pin connector
T13	13-pin connector
T26	26-pin connector
THK	Coupling point on rear lid
THKM	Coupling point on rear lid, centre
U10	Trailer socket
V12	Rear window wiper motor
X4	Left number plate light
X5	Right number plate light
Z1	Heated rear window
98	Earth connection, in rear lid wiring harness
373	Earth connection 8, in main wiring harness
430	Earth connection, in towing bracket wiring harness

Wiring Diagram VW POLO 2015 - Ignition coil 1 with output stage - Ignition coil 2 with output stage

N70	Ignition coil 1 with output stage
N127	Ignition coil 2 with output stage
N291	Ignition coil 3 with output stage
N292	Ignition coil 4 with output stage
T3ce	3-pin connector
T4a	4-pin connector, black
T4b	4-pin connector, black
T4c	4-pin connector
T4d	4-pin connector
V188	Charge air cooling pump
221	Earth connection (engine earth), in engine wiring harness
306	Earth connection (ignition coils), in engine prewiring harness
*	see applicable current flow diagram for engine
*2	Only models with 1.2l engine

Wiring Diagram VW POLO 2015 - Driver side interior locking button for central locking system - Driver side central locking lock unit - Driver door control unit - Central locking SAFELOCK function warning lamp

E43	Mirror adjustment switch
E308	Driver side interior locking button for central locking system
E512	Operating unit for window regulator in driver door
F220	Driver side central locking lock unit
J386	Driver door control unit
K133	Central locking SAFELOCK function warning lamp
L131	Driver side turn signal repeater bulb
T2dz	2-pin connector
T4aa	4-pin connector
T8f	8-pin connector
T10aa	10-pin connector
T10ac	10-pin connector
T10e	10-pin connector
T16g	16-pin connector
T28	28-pin connector
T28a	28-pin connector
T28b	28-pin connector
T28c	28-pin connector
TTVL	Coupling point on front left door
TTVR	Coupling point on front right door
205	Earth connection, in driver door wiring harness
267	Earth connection 2, in drive side door wiring harness
*	Pre-wired component
*2	Only left-hand drive models
*3	Only right-hand drive models

Wiring Diagram VW POLO 2015 - Rear left central locking lock unit - Rear right central locking lock unit

F222	Rear left central locking lock unit
F223	Rear right central locking lock unit
J388	Rear left door control unit
J389	Rear right door control unit
T8g	8-pin connector
T8h	8-pin connector
T16j	16-pin connector
T16k	16-pin connector
T28d	28-pin connector
T28e	28-pin connector
T28f	28-pin connector
T28g	28-pin connector
TTHL	Coupling point on rear left door
TTHR	Coupling point on rear right door
207	Earth connection, in rear left door wiring harness
208	Earth connection, in rear right door wiring harness
*	Only models with rear electric window regulator

Wiring Diagram VW POLO 2015 - Front passenger side central locking lock unit - Front passenger door control unit

F221	Front passenger side central locking lock unit
J387	Front passenger door control unit
L132	Front passenger side turn signal repeater bulb
T8i	8-pin connector
T10ab	10-pin connector
T16l	16-pin connector
T28	28-pin connector
T28a	28-pin connector
T28b	28-pin connector
T28c	28-pin connector
TTVL	Coupling point on front left door
TTVR	Coupling point on front right door
206	Earth connection, in front passenger door wiring harness
268	Earth connection 2, in front passenger side door wiring harness
*	Pre-wired component
*2	Only left-hand drive models
*3	Only right-hand drive models
*4	Only models with remote control

VW POLO 2015 Overview of control units

Overview of control units

q	Fitting location with 105-pin connector -T105- / 91-pin connector -T91-

q	Fitting location right-hand drive

q	Control unit for structure-borne sound -J869-

q	Fitting location

q	Battery location in luggage compartment

VW POLO 2015 Adaptive cruise control unit J428 Adaptive cruise control unit -J428- Fitting location: Near front bumper.

1 -	Adaptive cruise control unit -J428-

A -	8-pin connector -T8ay-

Connector assignment of adaptive cruise control unit -J428-

-T8ay- (A)	Designation
1	Terminal 31
2	B108 Connection 1 (CAN bus extended, high), in main wiring harness
3	B109 Connection 1 (CAN bus extended, low), in main wiring harness
4
5
6
7
8	Terminal 15a

Back to overview VW POLO 2015 Mechatronic unit for dual clutch gearbox J743 Mechatronic unit for dual clutch gearbox -J743- Mechatronic unit for dual clutch gearbox -J743- , 25-pin connector -T25- Fitting location: On dual clutch gearbox 0AM.

1 -	Mechatronic unit for dual clutch gearbox -J743-

A -	25-pin connector -T25-

Connector assignment of mechatronic unit for dual clutch gearbox -J743-

-T25- (A)	Designation		-T25- (A)	Designation
1			14
2			15
3			16	Engine control unit -J623-
4			17
5			18
6			19
7			20
8	Terminal 31		21
9	Terminal 30		22
10	Terminal 15		23
11			24	Terminal 31
12	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness		25	Terminal 30
13	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness

Back to overview VW POLO 2015 Automatic glow period control unit J179 Automatic glow period control unit -J179- Fitting location: Near fuse holder B -SB- .

1 -	Automatic glow period control unit -J179-

A -	11-pin connector -T11g-

Connector assignment of automatic glow period control unit -J179-

-T11g- (A)	Designation
1	Glow plug 1 -Q10-
2	Glow plug 2 -Q11-
3	Glow plug 3 -Q12-
4
5
6	Terminal 87
7	Terminal 31
8
9	Engine control unit -J623-
10	Engine control unit -J623-
11	Terminal 30

Back to overview VW POLO 2015 Engine control unit J623 Engine control unit -J623- Engine control unit -J623- , 60-pin connector -T60- / 94-pin connector -T94- Fitting location: in​ engine​ compartment​ on​ bulkhead​.

1 -	Engine control unit -J623-

A -	60-pin connector -T60-

B -	94-pin connector -T94-

Back to overview Engine control unit -J623- , 105-pin connector -T105- / 91-pin connector -T91-   Note: The illustration does not correspond with the selected vehicle. Fitting location: in​ engine​ compartment​ on​ bulkhead​.

1 -	Engine control unit -J623-

A -	105-pin connector -T105-

B -	91-pin connector -T91-

Back to overview Windscreen wiper motor -V- / wiper motor control unit -J400- Windscreen wiper motor -V- / wiper motor control unit -J400- , left-hand drive models Fitting location: on left in plenum chamber.

1 -	Windscreen wiper motor -V- / wiper motor control unit -J400-

A -	4-pin connector -T4u-

Connector assignment for windscreen wiper motor -V- / wiper motor control unit -J400-

-T4u- (A)	Designation
1	Onboard supply control unit -J519- , terminal 53b
2	Onboard supply control unit -J519- , terminal 53
3	Onboard supply control unit -J519- , terminal 53e
4	Terminal 31

Back to overview Windscreen wiper motor -V- / wiper motor control unit -J400- , right-hand drive models Fitting location: on right in plenum chamber.

1 -	Windscreen wiper motor -V- / wiper motor control unit -J400-

A -	4-pin connector -T4u-

Connector assignment for windscreen wiper motor -V- / wiper motor control unit -J400-

-T4u- (A)	Designation
1	Onboard supply control unit -J519- , terminal 53b
2	Onboard supply control unit -J519- , terminal 53
3	Onboard supply control unit -J519- , terminal 53e
4	Terminal 31

Back to overview Control unit for structure-borne sound -J869-   Note: The illustration does not correspond with the selected vehicle, but the fitting location is the same. Fitting location: in plenum chamber

1 -	Control unit for structure-borne sound -J869-

A -	6-pin connector -T6be-

Connector assignment of control unit for structure-borne sound -J869-

-T6be- (A)	Designation		-T6be- (A)	Designation
1	Actuator for structure-borne sound -R214-		5	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness
2	Actuator for structure-borne sound -R214-		6	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness
3	Terminal 15
4	Terminal 31

Back to overview VW POLO 2015 ABS control unit J104 ABS control unit -J104- Fitting location: on left in engine compartment

1 -	ABS control unit -J104-

A -	38-pin connector -T38-

Connector assignment of ABS control unit -J104-

-T38-	Designation		-T38-	Designation
1	Terminal 30		20
2			21	Front right speed sensor -G45-
3			22	TCS and ESP button -E256-
4	Front right speed sensor -G45-		23
5	Brake servo pressure sensor -G294-		24
6			25	Terminal 30
7			26	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness
8	Front left speed sensor -G47-		27
9			28	Terminal 15
10			29	Rear right speed sensor -G44-
11			30
12	Tyre Pressure Loss Indicator button -E492-		31	Rear left speed sensor -G46-
13	Terminal 31		32	Brake servo pressure sensor -G294-
14	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness		33
15			34
16	Front right speed sensor -G45-		35
17	Rear right speed sensor -G44-		36
18	Rear left speed sensor -G46-		37	Brake servo pressure sensor -G294-
19	Front left speed sensor -G47-		38	Terminal 31

Back to overview VW POLO 2015 Battery monitor control unit J367 Battery monitor control unit -J367- Battery monitor control unit -J367- , battery in engine compartment Fitting location: On battery.

1 -	Battery monitor control unit -J367-

A -	2-pin connector -T2bn-

-T2bn-	Designation
1	LIN
2	Terminal 30

Back to overview Battery monitor control unit -J367- , battery in luggage compartment Fitting location: On battery.

1 -	Battery monitor control unit -J367-

A -	2-pin connector -T2bn-

-T2bn-	Designation
1	LIN
2	Terminal 30

Back to overview Radiator fan control unit -J293- Fitting location: on left in engine compartment

1 -	Radiator fan control unit -J293-

A -	10-pin connector -T10a-

-T10a-	Designation
1
2	Terminal 15
3	Climatronic control unit -J255- / air conditioning system control unit -J301-
4	Radiator fan thermal switch -F18-1) Engine control unit -J623-2)
5	Climatronic control unit -J255- / air conditioning system control unit -J301-
6	Radiator fan thermal switch -F18-1) Engine control unit -J623-2)
7
8	Radiator fan -V7-
9	Terminal 30
10	Radiator fan -V7-

1) Only models with a 1.0l petrol engine

2) Only models with a 1.2l petrol engine

Back to overview

VW POLO 2015 Overview of earth points

Overview of earth points

13	Earth point, on right in engine compartment

q	Specified torque 9 Nm

671	Earth point 1, on front of left longitudinal member

q	Specified torque 9 Nm

685	Earth point 1 at front of right longitudinal member

q	Specified torque 20 Nm

1	Earth strap, battery - body

q	Specified torque 15 Nm

12	Earth point, on left in engine compartment

q	Specified torque 9 Nm

15	Earth point on cylinder head

q	Specified torque 9 Nm

640	Earth point 2 on left in engine compartment

q	Specified torque 9 Nm

652	Earth point, engine and gearbox earth

q	Specified torque 20 Nm

42	Earth point, next to steering column

q	Specified torque 4 Nm

687	Earth point 1, on centre tunnel

q	Specified torque 9 Nm

688	Earth point 2, on centre tunnel

q	Specified torque 9 Nm

758	Earth point 3, on centre tunnel

q	Specified torque 9 Nm

61	Earth point on left C-pillar

q	Specified torque 2 Nm

612	Earth point, centre on rear lid

q	Specified torque 2 Nm

804	Earth point 2, on left C-pillar

q	Specified torque 6 Nm

701	Earth point in luggage compartment

q	Specified torque 20 Nm

VW POLO 2015 Overview of relay carriers

Overview of relay carriers

1 -	Relay and fuse carrier 2 -SR2- , on left in engine compartment

t	Main relay -J271-

t	Terminal 30 voltage supply relay -J317-

t	Engine component current supply relay -J757-

t	Starter relay 1 -J906-

t	Starter relay 2 -J907-

q	Fitting locations and relay assignment, from January 2014

q	Fitting locations and relay assignment, from November 2014

2 -	Relay and fuse carrier 3 -SR3- , on left in engine compartment

t	High heat output relay -J360-

q	Fitting locations and relay assignment, from January 2014

3 -	Not assigned

4 -	Relay and fuse carrier 1 -SR1- , below dash panel

t	Fuel pump relay -J17-

t	Headlight washer system relay -J39-

t	Low heat output relay -J359-

t	Alarm horn relay -J641-

t	Terminal 75x voltage supply relay -J694-

t	Terminal 15 relay -J940-

q	Fitting locations and relay assignment, left-hand drive models, from January 2014

q	Fitting locations and relay assignment, RHD, from April 2014

Note: Main relay -J271- , terminal 30 voltage supply relay -J317- , starter relay 1 -J906- and starter relay 2 -J907- are permanently installed in the E-box (board relay).

VW POLO 2015

Relay and fuse carrier 2 -SR2- , on left in engine compartment

Fitting location and relay assignment of relay and fuse carrier 2 -SR2- , on left in engine compartment, from January 2014

1 -	Relay and fuse carrier 2 -SR2- , on left in engine compartment

R5 -	Not assigned

R6 -	Not assigned

Back to overview

Fitting location and relay assignment of relay and fuse carrier 2 -SR2- , on left in engine compartment, from November 2014

In vehicles with battery in luggage compartment, fuse holder A -SA- is fitted lengthways.

1 -	Relay and fuse carrier 2 -SR2- , on left in engine compartment

R5 -	Engine component current supply relay -J757-

R6 -	Not assigned

Back to overview

Relay and fuse carrier 3 -SR3- , on left in engine compartment

Fitting location and relay assignment of relay and fuse carrier 3 -SR3- , on left in engine compartment, from January 2014

1 -	Relay and fuse carrier 3 -SR3- , on left in engine compartment

R1 -	High heat output relay -J360-

q	Only models with auxiliary air heater

Note: Main relay -J271- , terminal 30 voltage supply relay -J317- , starter relay 1 -J906- and starter relay 2 -J907- are permanently installed in the E-box (board relay). Back to overview

VW POLO 2015

Relay and fuse carrier 1 -SR1- , below dash panel

Fitting location and relay assignment of relay and fuse carrier 1 -SR1- , on left under dash panel, left-hand drive models, from January 2014

1 -	Relay and fuse carrier 1 -SR1- , on left under dash panel

R1 -	Low heat output relay -J359-

q	Only models with a diesel engine

R2 -	Not assigned

R3 -	Not assigned

R4 -	Fuel pump relay -J17-

R5 -	Not assigned

R6 -	→ Fuses fuse holder F -SF-

R7 -	Headlight washer system relay -J39-

R8 -	Terminal 75x voltage supply relay -J694-

R9 -	→ Fuses fuse holder D -SD-

R10 -

Terminal 15 relay -J940-

R11 -

Not assigned

R12 -

Not assigned

Back to overview

Fitting location and relay assignment of relay and fuse carrier 1 -SR1- , on right under dash panel, right-hand drive models, from April 2014

1 -	Relay and fuse carrier 1 -SR1- , on left under dash panel

R1 -	Low heat output relay -J359-

q	Only models with a diesel engine

R2 -	Not assigned

R3 -	Not assigned

R4 -	Fuel pump relay -J17-

R5 -	Not assigned

R6 -	→ Fuses fuse holder F -SF-

R7 -	Headlight washer system relay -J39-

R8 -	Terminal 75x voltage supply relay -J694-

R9 -	→ Fuses fuse holder D -SD-

R10 -

Terminal 15 relay -J940-

R11 -

Not assigned

R12 -

Alarm horn relay -J641-

q	Only for South Africa

Back to overview

VW POLO 2015

14-pin connector -T14- , grey / 14-pin connector -T14a- , grey

VW POLO 2015 Coupling point in engine compartment, left TML

Coupling point in engine compartment, left -TML-

A -	14-pin connector -T14- , grey / 14-pin connector -T14a- , grey

q	Only models with petrol engine

B -	14-pin connector -T14b- , black / 14-pin connector -T14c- , black

q	Only models with a diesel engine

Coupling point on engine, top centre -TMOM-   Note: The illustration does not correspond with the selected vehicle, but the fitting location is the same.

A -	8-pin connector -T8a- , black / 8-pin connector -T8ab- , black

q	Only for Polo GTI

Coupling point on engine, top right -TMOR-   Note: The illustration does not correspond with the selected vehicle, but the fitting location is the same.

A -	8-pin connector -T8ba- , black / 8-pin connector -T8bb- , black

q	Only for Polo GTI

B -	14-pin connector -T14g- , black / 14-pin connector -T14h- , black

q	Only for Polo GTI

Coupling point on front left door -TTVL-

A -	28-pin connector -T28- , black / 28-pin connector -T28a- , black

Coupling point for front left seat -TSVL-

A -	2-pin connector -T2dl- , black

C -	3-pin connector -T3cz- , yellow / 3-pin connector -T3cy- , yellow

D -	2-pin connector -T2fx- / 2-pin connector -T2fw-

Coupling point on rear left door -TTHL-

A -	28-pin connector -T28d- , black / 28-pin connector -T28e- , black

Coupling point for roof -TH-

A -	2-pin connector -T2gs- , black / 2-pin connector -T2gr- , black

B -	4-pin connector -T4p- , black / 4-pin connector -T4o- , black

Coupling point on front right door -TTVR-

A -	28-pin connector -T28b- , black / 28-pin connector -T28c- , black

Coupling point for front right seat -TSVR-

A -	2-pin connector -T2dm- , black

C -	3-pin connector -T3db- , yellow / 3-pin connector -T3dc- , yellow

D -	2-pin connector -T2fy- , black / 2-pin connector -T2fz-

Coupling point on rear right door -TTHR-

A -	28-pin connector -T28f- , black / 28-pin connector -T28g- , black

Coupling point in luggage compartment, left -THRL-

A -	2-pin connector -T2fh-

C -	5-pin connector -T5k- ,-T5l- , black

Diagnostic connection -U31-

Diagnostic connection -U31- , left-hand drive models

A -	16-pin connector -T16- , black

Diagnostic connection -U31- , right-hand drive models

A -	16-pin connector -T16- , black

VW POLO 2015 Overview of control units

Overview of control units

q	Fitting location right-hand drive

q	Fitting location right-hand drive

q	Fitting location right-hand drive

Display unit for front information display and operating unit control unit -J685- / control unit 1 for information electronics -J794-

q	Fitting location

q	When equipped with Discover Media, fitting location in glove compartment

q	Fitting location right-hand drive

q	Fitting location right-hand drive

q	Fitting location right-hand drive

q	Fitting location right-hand drive

VW POLO 2015 Fresh air blower control unit J126 Fresh air blower control unit -J126- Fresh air blower control unit -J126- , left-hand drive models Fitting location: Behind glove compartment

1 -	Fresh air blower control unit -J126-

A -	6-pin connector -T6l-

Connector assignment of fresh air blower control unit -J126-

-T6l-	Designation
1	Climatronic control unit -J255-
2	Terminal 30
3	Climatronic control unit -J255-
4	Terminal 31
5
6	Climatronic control unit -J255-

Back to overview Fresh air blower control unit -J126- , right-hand drive models Fitting location: Behind glove compartment

1 -	Fresh air blower control unit -J126-

A -	6-pin connector -T6l-

Connector assignment of fresh air blower control unit -J126-

-T6l-	Designation
1	Climatronic control unit -J255-
2	Terminal 30
3	Climatronic control unit -J255-
4	Terminal 31
5
6	Climatronic control unit -J255-

Back to overview Front passenger door control unit -J387- Front passenger door control unit -J387- , left-hand drive models Fitting location: In front passenger door.

1 -	Front passenger door control unit -J387-

A -	16-pin connector -T16l-

Connector assignment of front passenger door control unit -J387-

-T16l-	Designation
1
2
3
4
5	B549 Connection 2 (LIN bus) in main wiring harness
6	Window regulator switch in front passenger door -E107-
7	Window regulator switch in front passenger door -E107-
8	Terminal 31
9
10
11
12
13
14
15
16	Terminal 30

Back to overview Front passenger door control unit -J387- , right-hand drive models Fitting location: In front passenger door.

1 -	Front passenger door control unit -J387-

A -	16-pin connector -T16l-

Connector assignment of front passenger door control unit -J387-

-T16l-	Designation
1
2
3
4
5	B549 Connection 2 (LIN bus) in main wiring harness
6	Window regulator switch in front passenger door -E107-
7	Window regulator switch in front passenger door -E107-
8	Terminal 31
9
10
11
12
13
14
15
16	Terminal 30

Back to overview Headlight range control unit -J431- Headlight range control unit -J431- , left-hand drive models Fitting location: Behind glove compartment

1 -	Headlight range control unit -J431-

A -	26-pin connector -T26a-

Connector assignment of headlight range control unit -J431-

-T26a- (A)	Designation		-T26a- (A)	Designation
1			14
2	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness		15	Right headlight range control motor -V49-
3	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness		16	Left headlight range control motor -V48-
4			17	Left headlight range control motor -V48-
5			18	Left headlight range control motor -V48-
6			19	Left headlight range control motor -V48-
7	Rear left vehicle level sender -G76-		20	Right headlight range control motor -V49-
8			21	Right headlight range control motor -V49-
9			22	Right headlight range control motor -V49-
10	Rear left vehicle level sender -G76-		23	B279 Positive connection 3 (15a) in main wiring harness, terminal 15a
11	Rear left vehicle level sender -G76-		24	Terminal 31
12			25
13			26

Back to overview Headlight range control unit -J431- , right-hand drive models Fitting location: Behind glove compartment

1 -	Headlight range control unit -J431-

A -	26-pin connector -T26a-

Connector assignment of headlight range control unit -J431-

-T26a- (A)	Designation		-T26a- (A)	Designation
1			14
2	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness		15	Right headlight range control motor -V49-
3	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness		16	Left headlight range control motor -V48-
4			17	Left headlight range control motor -V48-
5			18	Left headlight range control motor -V48-
6			19	Left headlight range control motor -V48-
7	Rear left vehicle level sender -G76-		20	Right headlight range control motor -V49-
8			21	Right headlight range control motor -V49-
9			22	Right headlight range control motor -V49-
10	Rear left vehicle level sender -G76-		23	B279 Positive connection 3 (15a) in main wiring harness, terminal 15a
11	Rear left vehicle level sender -G76-		24	Terminal 31
12			25
13			26

Back to overview Display unit for front information display and operating unit control unit -J685- / control unit 1 for information electronics -J794- Fitting location: In centre of dash panel.

Multiway connector housing B (chambers: 9-18), made up of connectors C, D, E and F.

1 -	Display unit for front information display and operating unit control unit -J685- / control unit 1 for information electronics -J794-

A -	4-pin connector

q	Radio aerial -R248-

q	Radio aerial 2 -R93-

B -	8-pin connector -T8aq-

C -	Not assigned

D -	12-pin connector -T12ai-

E -	8-pin connector -T8ar-

F -	12-pin connector -T12al-

Connector assignment of display unit for front information display and operating unit control unit -J685- / control unit 1 for information electronics -J794-

-T8ar- (E)	Designation		-T8aq- (B)	Designation
1	Rear right treble loudspeaker -R16- , + rear right bass loudspeaker -R17- , +		9
2	Front right treble loudspeaker -R22- , + front right bass loudspeaker -R23- , +		10
3	Front left treble loudspeaker -R20- , + front left bass loudspeaker -R21- ,+		11
4	Rear left treble loudspeaker -R14- , + rear left bass loudspeaker -R15- , +		12
5	Rear right treble loudspeaker -R16- , - rear right bass loudspeaker -R17- , -		13
6	Front right treble loudspeaker -R22- , - front right bass loudspeaker -R23- , -		14
7	Front left treble loudspeaker -R20- , - front left bass loudspeaker -R21- ,-		17	Terminal 31
8	Rear left treble loudspeaker -R14- , - rear left bass loudspeaker -R15- , -		18	Terminal 30

-T12al- (F)	Designation		-T12ag- (C)	Designation		-T12ai- (D)	Designation
1			1	Connection for external audio sources -R199-		1	Telephone microphone -R38-
2			2	Connection for external audio sources -R199-		2
3			3	Connection for external audio sources -R199-		3
4			4	Connection for external audio sources -R199-		4
5	V54 Connection 1 (telephone) in main wiring harness		5			5
6	Data bus diagnostic interface -J533- , infotainment CAN bus high		6			6	Reversing camera -R189-
7			7	Connection for external audio sources -R199-		7	Telephone microphone -R38-
8			8	Connection for external audio sources -R199-		8
9			9			9
10			10			10
11	Storage compartment with interface for mobile telephone -R265-		11			11
12	Data bus diagnostic interface -J533- , infotainment CAN bus low		12			12	Reversing camera -R189-

Back to overview VW POLO 2015 Control unit 1 for information electronics J794 Control unit 1 for information electronics -J794- Fitting location: In glove compartment.

Multiway connector housing B (chambers: 9-18), made up of connectors C, D, and E.

1 -	Control unit 1 for information electronics -J794-

A -	Multiway connector housing 8-pin connector -T8aq-

B -	12-pin connector -T12ag-

C -	12-pin connector -T12ai-

D -	12-pin connector -T12al-

E -	8-pin connector -T8ar-

F -	Not assigned

G -	5-pin connector -T5ae-

q	Connection for external audio sources -R199-

H -	5-pin connector -T5ah-

q	Display unit for front information display and operating unit control unit -J685-

I -	Digital radio aerial -R183-

J -	Aerial -R11-

K -	GPS aerial -R50-

Connector assignment of control unit 1 for information electronics -J794-

-T8ar- (E)	Designation		-T8aq- (B)	Designation
1	Rear right treble loudspeaker -R16- , + rear right bass loudspeaker -R17- , +		9
2	Front right treble loudspeaker -R22- , + front right bass loudspeaker -R23- , +		10
3	Front left treble loudspeaker -R20- , + front left bass loudspeaker -R21- ,+		11
4	Rear left treble loudspeaker -R14- , + rear left bass loudspeaker -R15- , +		12
5	Rear right treble loudspeaker -R16- , - rear right bass loudspeaker -R17- , -		13
6	Front right treble loudspeaker -R22- , - front right bass loudspeaker -R23- , -		14
7	Front left treble loudspeaker -R20- , - front left bass loudspeaker -R21- ,-		17	Terminal 31
8	Rear left treble loudspeaker -R14- , - rear left bass loudspeaker -R15- , -		18	Terminal 30

-T12al- (F)	Designation		-T12ag- (C)	Designation		-T12ai- (D)	Designation
1			1	Connection for external audio sources -R199-		1	Telephone microphone -R38-
2			2	Connection for external audio sources -R199-		2
3			3	Connection for external audio sources -R199-		3
4			4	Connection for external audio sources -R199-		4
5	V54 Connection 1 (telephone) in main wiring harness		5			5
6	Data bus diagnostic interface -J533- , infotainment CAN bus high		6			6	Reversing camera -R189-
7			7	Connection for external audio sources -R199-		7	Telephone microphone -R38-
8			8	Connection for external audio sources -R199-		8
9			9			9
10			10			10
11	Storage compartment with interface for mobile telephone -R265-		11			11
12	Data bus diagnostic interface -J533- , infotainment CAN bus low		12			12	Reversing camera -R189-

Back to overview VW POLO 2015 Dash panel insert -K- / control unit in dash panel insert -J285- Fitting location: on left in dash panel

1 -	Dash panel insert -K- , control unit in dash panel insert -J285-

A -	18-pin connector -T18-

Connector assignment of control unit in dash panel insert -J285-

-T18- (A)	Designation		-T18- (A)	Designation
1	Terminal 30		10	Terminal 31
2			11	Fuel gauge sender -G- , terminal 31
3			12	Fuel gauge sender 2 -G169- , empty
4			13	Fuel gauge sender 2 -G169- , full
5			14	Fuel gauge sender -G- , empty
6			15	Fuel gauge sender -G- , full
7	Parking brake contact switch -F321-		16
8	Immobiliser reader coil -D2-		17	Convenience CAN bus low
9	Immobiliser reader coil -D2-		18	Convenience CAN bus high

Back to overview VW POLO 2015 Rear right door control unit J389 Rear right door control unit -J389- Fitting location: in rear right door

1 -	Rear right door control unit -J389-

A -	16-pin connector -T16k-

Pin assignment of rear right door control unit -J389-

-T16k-	Designation
1
2
3
4
5	B549 Connection 2 (LIN bus) in main wiring harness
6	Rear right window regulator switch, in door -E54-
7	Rear right window regulator switch, in door -E54-
8	Terminal 31
9
10
11
12
13
14
15
16	Terminal 30

Back to overview VW POLO 2015 Power steering control unit J500 Power steering control unit -J500- Power steering control unit -J500- , left-hand drive models Fitting location: near steering column

1 -	Power steering control unit -J500-

A -	3-pin connector -T3k-

B -	2-pin connector -T2k-

Connector assignment of power steering control unit -J500-

-T3k- (A)	Designation		-T2k- (B)	Designation
1	Running gear sensors CAN bus low		1	Terminal 31
2	Running gear sensors CAN bus high		2	Terminal 30
3	Terminal 15		3

Back to overview Power steering control unit -J500- , right-hand drive models Fitting location: near steering column

1 -	Power steering control unit -J500-

A -	2-pin connector -T2k-

B -	3-pin connector -T3k-

Connector assignment of power steering control unit -J500-

-T2k- (A)	Designation		-T3k- (B)	Designation
1	Terminal 31		1	Running gear sensors CAN bus low
2	Terminal 30		2	Running gear sensors CAN bus high
3			3	Terminal 15

Back to overview VW POLO 2015 Sliding sunroof adjustment control unit J245 Sliding sunroof adjustment control unit -J245- Fitting location: in roof

1 -	Sliding sunroof adjustment control unit -J245-

A -	10-pin connector -T10x-

Connector assignment of sliding sunroof adjustment control unit -J245-

-T10x- (A)	Designation
1	LIN bus
2	Sliding sunroof adjustment -EX4-
3	Sliding sunroof adjustment -EX4-
4	Sliding sunroof adjustment -EX4-
5
6
7	Sliding sunroof adjustment -EX4-
8
9	Terminal 31
10	Terminal 30

Back to overview VW POLO 2015 Fuel pump control unit J538 Fuel pump control unit -J538- Fitting location: Under rear bench seat.

1 -	Fuel pump control unit -J538-

A -	5-pin connector -T5b-

B -	10-pin connector -T10c-

Connector assignment of fuel pump control unit -J538-

-T5b- (A)	Designation
1	Fuel system pressurisation pump -G6- , +
2	Fuel gauge sender -G- , +
3	Fuel gauge sender -G- , -
4	Fuel gauge sender -G-
5	Fuel system pressurisation pump -G6- , -

-T10c- (B)	Designation
1	Terminal 30
2	Engine control unit -J623-
3	Terminal 15
4	Control unit in dash panel insert -J285-
5	Control unit in dash panel insert -J285-
6	Terminal 31
7
8	Control unit in dash panel insert -J285-
9
10

Back to overview VW POLO 2015 Rear left door control unit J388 Rear left door control unit -J388- Fitting location: in rear left door.

1 -	Rear left door control unit -J388-

A -	16-pin connector -T16j-

Pin assignment of rear left door control unit -J388-

-T16j-	Designation
1
2
3
4
5	LIN bus
6	Rear left window regulator switch, in door -E52-
7	Rear left window regulator switch, in door -E52-
8	Terminal 31
9
10
11
12
13
14
15
16	Terminal 30

Back to overview VW POLO 2015 Multifunction steering wheel control unit J453 Multifunction steering wheel control unit -J453- Fitting location: Inside the operating unit of the multifunction buttons on left of steering wheel -E440- .

1 -	Multifunction steering wheel control unit -J453-

A -	5-pin connector -T5n-

B -	12-pin connector -T12k-

Connector assignment of multifunction steering wheel control unit -J453-

-T5n- (A)	Designation		-T12k- (B)	Designation
1	Terminal 31		1
2	Terminal 30		2
3	LIN bus		3	Driver side airbag igniter -N95- , +
4	Horn plate -H-		4	Driver side airbag igniter -N95- , -
5	CCS		5
			6
			7	Terminal 31
			8	CCS
			9	LIN bus
			10	Terminal 30
			11
			12

Back to overview VW POLO 2015 Driver door control unit J386 Driver door control unit -J386- Driver door control unit -J386- , left-hand drive models Fitting location: In driver door.

1 -	Driver door control unit -J386-

A -	16-pin connector -T16g-

Connector assignment of driver door control unit -J386-

-T16g-	Designation
1
2	Rear right window regulator switch, in driver door -E55-
3	Window regulator switch illumination bulb -L53-
4	Front right window regulator switch in driver door -E81-
5	LIN bus
6	Front left window regulator switch -E40-
7	Front left window regulator switch -E40-
8	Terminal 31
9
10	Rear left window regulator switch, in driver door -E53-
11	Rear window regulator isolation switch -E39-
12
13
14
15
16	Terminal 30

Back to overview Driver door control unit -J386- , right-hand drive models Fitting location: In driver door.

1 -	Driver door control unit -J386-

A -	16-pin connector -T16g-

Connector assignment of driver door control unit -J386-

-T16g-	Designation
1
2	Rear right window regulator switch, in driver door -E55-
3	Window regulator switch illumination bulb -L53-
4	Front right window regulator switch in driver door -E81-
5	LIN bus
6	Front left window regulator switch -E40-
7	Front left window regulator switch -E40-
8	Terminal 31
9
10	Rear left window regulator switch, in driver door -E53-
11	Rear window regulator isolation switch -E39-
12
13
14
15
16	Terminal 30

Back to overview Electronically controlled damping control unit -J250- Fitting location: above the onboard supply control unit

1 -	Electronically controlled damping control unit -J250-

A -	18-pin connector -T18a-

-T18a- (A)	Designation		-T18a- (A)	Designation
1	Terminal 31		10	Terminal 30
2			11	Front right shock absorber damping adjustment valve -N337-
3	Terminal 15		12	Front right shock absorber damping adjustment valve -N337-
4			13	Front left shock absorber damping adjustment valve -N336-
5			14	Front left shock absorber damping adjustment valve -N336-
6			15	Rear right shock absorber damping adjustment valve -N339-
7			16	Rear right shock absorber damping adjustment valve -N339-
8	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness		17	Rear left shock absorber damping adjustment valve -N338-
9	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness		18	Rear left shock absorber damping adjustment valve -N338-

Back to overview VW POLO 2015 Onboard supply control unit J519 Onboard supply control unit -J519- Onboard supply control unit -J519- , left-hand drive models Fitting location: Behind dash panel, left

1 -	Onboard supply control unit -J519-

A -	73-pin connector -T73a-

B -	46-pin connector -T46b-

C -	73-pin connector -T73c-

Connector assignment of onboard supply control unit -J519-

-T73a- (A)	Designation		-T46b- (B)	Designation		-T73c- (C)	Designation
1	Terminal 31		1	Windscreen wiper motor -V- , terminal 53b		1	Terminal 30 (left light supply)
2	Rear lid central locking motor -V53-		2	Terminal 30 (central locking)		2	A63 Connection (mirror adjustment/heating), in dash panel wiring harness
3	Rear right door central locking motor, lock -V215-		3	Right fog light bulb -L23-		3	W71 Connection (reversing light) in rear wiring harness
4	Rear right door central locking motor, lock -V215-		4			4
5			5	Right headlight dipped beam bulb -M31- , terminal 56br		5	Terminal 30 (exterior mirror heating)
6	Front passenger door central locking motor -V57-		6	Right LED module for daytime running light and side light -L177-		6
7	Front passenger door central locking motor -V57-		7	Right headlight main beam bulb -M32- , terminal 56a		7	Left tail light bulb -M4- , terminal 58l
8	Rear left door central locking motor, lock -V214-		8	Windscreen wiper motor -V- , terminal 53		8	Right brake light bulb -M10- , terminal 54
9	Rear left central locking lock unit -F222-		9	Bonnet contact switch -F266-		9	High-level brake light bulb -M25-
10	B214 Connection 1 (central locking), in interior wiring harness		10	A154 Connection (brake pedal switch) in dash panel wiring harness, terminal 54		10	Rear right turn signal bulb -M8-
11	B175 Connection (central locking), in interior wiring harness		11	Windscreen wiper motor -V- , terminal 53e		11	Driver side turn signal repeater bulb in exterior mirror -L131-
12	Terminal 31		12	Reversing light switch -F4-		12	Terminal 30 (treble horn/bass horn)
13			13	Ambient temperature sensor -G17-		13	Multifunction steering wheel control unit -J453-
14	Mirror adjustment switch -E43-		14	Windscreen washer fluid level sender -G33-		14	B549 Connection 2 (LIN bus) in main wiring harness
15	Multifunction display call-up button -E86-		15	Coolant shortage indicator sender -G32-		15	B528 Connection 1 (LIN bus) in main wiring harness
16	Multifunction display call-up button -E86-		16			16
17	Multifunction display memory switch -E109-		17	Brake fluid level warning contact -F34-		17
18			18			18
19			19			19	86 Earth connection 1, in rear wiring harness
20			20			20	Front passenger side central locking lock unit -F221-
21			21			21	Driver side central locking lock unit -F220-
22			22	Left side light bulb -M1- , terminal 58l		22	Rear lid lock unit -F256-
23	Rear left central locking lock unit -F222-		23	Front right turn signal bulb -M7- (right turn signal)		23	Rear lid handle release button -E234-
24	Front passenger side central locking lock unit -F221-		24			24	Rear left door contact switch -F10-
25	Rear right central locking lock unit -F223-		25	Alarm horn -H12-		25	Driver side central locking lock unit -F220-
26	Start/Stop operation button -E693-		26	B698 Connection 3 (LIN bus) in main wiring harness		26	Front passenger side central locking lock unit -F221-
27	Horn plate -H- , terminal 71a		27			27	Rear right door contact switch -F11-
28	Cruise control system (CCS) SET button -E227-		28			28	Central locking button -E600-
29	CCS switch -E45-		29	Terminal 30		29	Turn signal switch -E2- (right turn signal)
30	Headlight dipper and flasher switch -E4-		30			30	Hazard warning lights button -E229-
31	Intermittent wiper switch -E22-		31	Terminal 31		31	Fog light switch -E7- Rear fog light switch -E18-
32			32			32	Turn signal switch -E2- (left turn signal)
33			33	401 Earth connection (sender earth) in interior wiring harness		33
34			34	Headlight washer system relay -J39-		34
35			35	Front left turn signal bulb -M5- (left turn signal)		35
36	Heated front seats control unit -J774-		36	Right side light bulb -M3- , terminal 58r		36
37	Interior monitoring deactivation switch -E267-		37			37
38	Interior monitoring deactivation switch -E267-		38			38
39			39			39
40			40	Left fog light bulb -L22-		40	B108 Connection 1 (CAN bus extended high), in main wiring harness
41	Ignition/starter switch -D-		41			41	B109 Connection 1 (CAN bus extended low), in main wiring harness
42	Light switch -E1- , terminal 56b		42	Left headlight main beam bulb -M30- , terminal 56a		42	B713 Connection 1 (diagnosis CAN bus, high), in main wiring harness
43	Light switch -E1- , terminal 56s		43	Left LED module for daytime running light and side light -L176-		43	B714 Connection 1 (CAN bus diagnosis, low), in main wiring harness
44	Driving mode selection button -E735-		44	Left headlight dipped beam bulb -M29- , terminal 56bl		44	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness
45			45	B629 Connection (56a), in main wiring harness		45	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness
46	Headlight dipper and flasher switch -E4- , terminal 56a		46	B521 Connection (dual tone horn) in main wiring harness, terminal 71b		46	B397 Connection 1 (convenience CAN bus, high), in main wiring harness
47	Light switch -E1-					47	B406 Connection 1 (convenience CAN bus, low), in main wiring harness
48	Light switch -E1- , terminal 58					48
49						49
50	Intermittent wiper switch -E22-					50
51	Terminal 53c					51	Start/Stop operation button -E693-
52	Cruise control system (CCS) SET button -E227-					52	Heated rear window warning lamp -K10-
53	Cruise control system (CCS) SET button -E227-					53	Shock absorber damping adjustment warning lamp -K189-
54	Ignition key withdrawal lock solenoid -N376- Selector lever -E313-					54	Indicator lamp for hazard warning light -K6-
55	Heated rear window button -E230-					55	Central locking SAFE function warning lamp -K133-
56	Driver side central locking lock unit -F220-					56
57						57	Terminal 15
58	Intermittent wiper switch -E22-					58
59						59
60	W71 Connection (reversing light) in rear wiring harness, terminal 58					60
61						61	Central locking button -E600-
62						62	Terminal 75x voltage supply relay -J694-
63	Terminal 31					63	Terminal 30
64	S12 Connection (SAFE 1) in central locking wiring harness					64
65	Rear left fog light bulb -L46-					65
66	Terminal 30, right light supply					66	Heated rear window -Z1- , +
67						67	Terminal 58d
68	B129 Connection (interior light, 31l), in interior wiring harness					68
69	Right tail light bulb -M2- , terminal 58r					69	B559 Positive connection 1 (30g), in main wiring harness
70	Left brake light bulb -M9- , terminal 54					70
71	Rear left turn signal bulb -M6-					71
72	Front passenger side turn signal repeater bulb -L132-					72
73	Terminal 30 (supply for windscreen wiper motor -V- )					73	Terminal 30 (heated rear window)

Back to overview Onboard supply control unit -J519- , right-hand drive models Fitting location: behind dash panel, right

1 -	Onboard supply control unit -J519-

A -	73-pin connector -T73a-

B -	46-pin connector -T46b-

C -	73-pin connector -T73c-

Connector assignment of onboard supply control unit -J519-

-T73a- (A)	Designation		-T46b- (B)	Designation		-T73c- (C)	Designation
1	Terminal 31		1	Windscreen wiper motor -V- , terminal 53b		1	Terminal 30 (left light supply)
2	Rear lid central locking motor -V53-		2	Terminal 30 (central locking)		2	A63 Connection (mirror adjustment/heating), in dash panel wiring harness
3	Rear right door central locking motor, lock -V215-		3	Right fog light bulb -L23-		3	W71 Connection (reversing light) in rear wiring harness
4	Rear right door central locking motor, lock -V215-		4			4
5			5	Right headlight dipped beam bulb -M31- , terminal 56br		5	Terminal 30 (exterior mirror heating)
6	Front passenger door central locking motor -V57-		6	Right LED module for daytime running light and side light -L177-		6
7	Front passenger door central locking motor -V57-		7	Right headlight main beam bulb -M32- , terminal 56a		7	Left tail light bulb -M4- , terminal 58l
8	Rear left door central locking motor, lock -V214-		8	Windscreen wiper motor -V- , terminal 53		8	Right brake light bulb -M10- , terminal 54
9	Rear left central locking lock unit -F222-		9	Bonnet contact switch -F266-		9	High-level brake light bulb -M25-
10	B214 Connection 1 (central locking), in interior wiring harness		10	A154 Connection (brake pedal switch) in dash panel wiring harness, terminal 54		10	Rear right turn signal bulb -M8-
11	B175 Connection (central locking), in interior wiring harness		11	Windscreen wiper motor -V- , terminal 53e		11	Front passenger side turn signal repeater bulb -L132-
12	Terminal 31		12	Reversing light switch -F4-		12	Terminal 30 (treble horn/bass horn)
13			13	Ambient temperature sensor -G17-		13	Multifunction steering wheel control unit -J453-
14	Mirror adjustment switch -E43-		14	Windscreen washer fluid level sender -G33-		14	B549 Connection 2 (LIN bus) in main wiring harness
15	Multifunction display call-up button -E86-		15	Coolant shortage indicator sender -G32-		15	B528 Connection 1 (LIN bus) in main wiring harness
16	Multifunction display call-up button -E86-		16			16
17	Multifunction display memory switch -E109-		17	Brake fluid level warning contact -F34-		17
18			18			18
19			19			19	86 Earth connection 1, in rear wiring harness
20			20			20	Front passenger side central locking lock unit -F221-
21			21			21	Driver side central locking lock unit -F220-
22			22	Left side light bulb -M1- , terminal 58l		22	Rear lid lock unit -F256-
23	Rear left central locking lock unit -F222-		23	Front right turn signal bulb -M7- (right turn signal)		23	Rear lid handle release button -E234-
24	Front passenger side central locking lock unit -F221-		24			24	Rear left door contact switch -F10-
25	Rear right central locking lock unit -F223-		25	Alarm horn -H12-		25	Driver side central locking lock unit -F220-
26	Start/Stop operation button -E693-		26	B698 Connection 3 (LIN bus) in main wiring harness		26	Front passenger side central locking lock unit -F221-
27	Horn plate -H- , terminal 71a		27			27	Rear right door contact switch -F11-
28	Cruise control system (CCS) SET button -E227-		28			28	Central locking button -E600-
29	CCS switch -E45-		29	Terminal 30		29	Turn signal switch -E2- (right turn signal)
30	Headlight dipper and flasher switch -E4-		30			30	Hazard warning lights button -E229-
31	Intermittent wiper switch -E22-		31	Terminal 31		31	Fog light switch -E7- Rear fog light switch -E18-
32			32			32	Turn signal switch -E2- (left turn signal)
33			33	401 Earth connection (sender earth) in interior wiring harness		33
34			34	Headlight washer system relay -J39-		34
35			35	Front left turn signal bulb -M5- (left turn signal)		35
36	Heated front seats control unit -J774-		36	Right side light bulb -M3- , terminal 58r		36
37	Interior monitoring deactivation switch -E267-		37			37
38	Interior monitoring deactivation switch -E267-		38			38
39			39			39
40			40	Left fog light bulb -L22-		40	B108 Connection 1 (CAN bus extended high), in main wiring harness
41	Ignition/starter switch -D-		41			41	B109 Connection 1 (CAN bus extended low), in main wiring harness
42	Light switch -E1- , terminal 56b		42	Left headlight main beam bulb -M30- , terminal 56a		42	B713 Connection 1 (diagnosis CAN bus, high), in main wiring harness
43	Light switch -E1- , terminal 56s		43	Left LED module for daytime running light and side light -L176-		43	B714 Connection 1 (CAN bus diagnosis, low), in main wiring harness
44	Driving mode selection button -E735-		44	Left headlight dipped beam bulb -M29- , terminal 56bl		44	B383 Connection 1 (powertrain CAN bus, high), in main wiring harness
45			45	B629 Connection (56a), in main wiring harness		45	B390 Connection 1 (powertrain CAN bus, low), in main wiring harness
46	Headlight dipper and flasher switch -E4- , terminal 56a		46	B521 Connection (dual tone horn) in main wiring harness, terminal 71b		46	B397 Connection 1 (convenience CAN bus, high), in main wiring harness
47	Light switch -E1-					47	B406 Connection 1 (convenience CAN bus, low), in main wiring harness
48	Light switch -E1- , terminal 58					48
49						49
50	Intermittent wiper switch -E22-					50
51	Terminal 53c					51	Start/Stop operation button -E693-
52	Cruise control system (CCS) SET button -E227-					52	Heated rear window warning lamp -K10-
53	Cruise control system (CCS) SET button -E227-					53	Shock absorber damping adjustment warning lamp -K189-
54	Ignition key withdrawal lock solenoid -N376- Selector lever -E313-					54	Indicator lamp for hazard warning light -K6-
55	Heated rear window button -E230-					55	Central locking SAFE function warning lamp -K133-
56	Driver side central locking lock unit -F220-					56
57						57	Terminal 15
58	Intermittent wiper switch -E22-					58
59						59
60	W71 Connection (reversing light) in rear wiring harness, terminal 58					60
61						61	Central locking button -E600-
62						62	Terminal 75x voltage supply relay -J694-
63	Terminal 31					63	Terminal 30
64	S12 Connection (SAFE 1) in central locking wiring harness					64
65	Rear right fog light bulb -L47-					65
66	Terminal 30, right light supply					66	Heated rear window -Z1- , +
67						67	Terminal 58d
68	B129 Connection (interior light, 31l), in interior wiring harness					68
69	Right tail light bulb -M2- , terminal 58r					69	B559 Positive connection 1 (30g), in main wiring harness
70	Left brake light bulb -M9- , terminal 54					70
71	Rear left turn signal bulb -M6-					71
72	Driver side turn signal repeater bulb in exterior mirror -L131-					72
73	Terminal 30 (supply for windscreen wiper motor -V- )					73	Terminal 30 (heated rear window)

Back to overview Heater control unit -J65- Fitting location: In the centre console.

1 -	Heater control unit -J65-

A -	5-pin connector -T5o-

B -	16-pin connector -T16o-

Connector assignment of heater control unit -J65-

-T5o- (A)	Designation
1	Fresh air blower -V2-
2	Fresh air blower series resistor with overheating fuse -N24-
3	Fresh air blower series resistor with overheating fuse -N24-
4	Fresh air blower series resistor with overheating fuse -N24-
5	Terminal 30

-T16o- (B)	Designation
1
2
3	Engine control unit -J623-
4
5
6
7
8
9	Fresh air and air recirculation flap control motor -V154-
10
11
12	Fresh air and air recirculation flap control motor -V154-
13	Terminal 31
14	Terminal 30
15
16	Term. 58

Back to overview VW POLO 2015 Air conditioning system control unit J301 Air conditioning system control unit -J301- Fitting location: In the centre console.

1 -	Air conditioning system control unit -J301-

A -	5-pin connector -T5o-

B -	12-pin connector -T12e-

C -	18-pin connector -T18d-

Connector assignment of air conditioning system control unit -J301-

-T5o- (A)	Designation
1	Fresh air blower -V2-
2	Fresh air blower series resistor with overheating fuse -N24-
3	Fresh air blower series resistor with overheating fuse -N24-
4	Fresh air blower series resistor with overheating fuse -N24-
5	Terminal 30

-T12e- (B)	Designation
1	High-pressure sender -G65-
2
3	B397 Connection 1 (convenience CAN bus, high), in main wiring harness
4	B406 Connection 1 (convenience CAN bus, low), in main wiring harness
5
6	Terminal 30
7	Term. 31
8
9
10
11
12	Air conditioner compressor regulating valve -N280-

-T18d- (C)	Designation
1
2
3	Evaporator output temperature sender -G263-
4	Evaporator output temperature sender -G263-
5
6
7
8
9
10
11
12
13
14
15	Fresh air and air recirculation flap control motor -V154-
16
17
18	Fresh air and air recirculation flap control motor -V154-

Back to overview VW POLO 2015 Climatronic control unit J255 Climatronic control unit -J255- Fitting location: In the centre console.

1 -	Climatronic control unit -J255-

A -	16-pin connector -T16i-

B -	20-pin connector -T20b-

Connector assignment of Climatronic control unit -J255-

-T16i- (A)	Designation
1
2	Sunlight penetration photosensor -G107-
3	Sunlight penetration photosensor -G107-
4	Air conditioner compressor regulating valve -N280-
5	B397 Connection 1 (convenience CAN bus, high), in main wiring harness
6	B406 Connection 1 (convenience CAN bus, low), in main wiring harness
7	High-pressure sender -G65-
8
9
10
11
12	Terminal 30
13	Terminal 31
14	Fresh air blower control unit -J126-
15	Fresh air blower control unit -J126-
16	Fresh air blower control unit -J126-

-T20b- (B)	Designation
1	Temperature flap control motor -V68-
2	Temperature flap control motor -V68-
3	Defroster flap control motor -V107-
4	Defroster flap control motor -V107-
5	L31 Connection (5 volt) in air conditioning unit wiring harness
6	Centre flap control motor -V70-
7	Centre flap control motor -V70-
8	Air flow flap control motor -V71-
9	Air flow flap control motor -V71-
10
11	Centre vent temperature sender -G191-
12	Footwell vent temperature sender -G192-
13
14	L5 Connection 1 in air conditioning system wiring harness
15	Evaporator output temperature sender -G263-
16	Potentiometer for temperature flap control motor -G92-
17	Potentiometer for defroster flap control motor -G135-
18	Potentiometer for centre flap servomotor -G112-
19	Potentiometer for air flow flap control motor -G113-
20

Back to overview VW POLO 2015 Airbag control unit J234 Airbag control unit -J234- Fitting location: Behind centre console.

1 -	Airbag control unit -J234-

A -	50-pin connector -T50-

Back to overview VW POLO 2015 Heated front seats control unit J774 Heated front seats control unit -J774- Heated front seats control unit -J774- , left-hand drive models Fitting location: near steering column

1 -	Heated front seats control unit -J774-

A -	16-pin connector -T16n-

Connector assignment of heated front seats control unit -J774-

-T16n- (A)	Designation
1	Heated front passenger seat regulator -E95-
2	Heated driver seat regulator -E94-
3	Heated front passenger seat regulator -E95-
4	Heated driver seat regulator -E94-
5	Onboard supply control unit -J519-
6	Heated driver seat regulator -E94-
7
8
9	Terminal 31
10
11
12	Heated front passenger seat regulator -E95-
13	Terminal 15
14	Terminal 15
15	Heated backrest for driver seat -Z7- , heated seat cushion for driver seat -Z6-
16	Heated backrest for front passenger seat -Z9- , heated seat cushion for front passenger seat -Z8-

Back to overview Heated front seats control unit -J774- , right-hand drive models Fitting location: near steering column

1 -	Heated front seats control unit -J774-

A -	16-pin connector -T16n-

Connector assignment of heated front seats control unit -J774-

-T16n- (A)	Designation
1	Heated front passenger seat regulator -E95-
2	Heated driver seat regulator -E94-
3	Heated front passenger seat regulator -E95-
4	Heated driver seat regulator -E94-
5	Onboard supply control unit -J519-
6	Heated driver seat regulator -E94-
7
8
9	Terminal 31
10
11
12	Heated front passenger seat regulator -E95-
13	Terminal 15
14	Terminal 15
15	Heated backrest for front passenger seat -Z9- , heated seat cushion for front passenger seat -Z8-
16	Heated backrest for driver seat -Z7- , heated seat cushion for driver seat -Z6-

Back to overview Exhaust flap control unit -J883- Fitting location: on exhaust pipe.

1 -	Exhaust flap control unit -J883-

A -	5-pin connector -Tak-

Connector assignment of exhaust flap control unit -J883-

-T5ak-	Designation
1	B369 Connection 1 (5V), in main wiring harness
2	Engine control unit -J623-
3	B437 Connection 1 (GND (earth), in main wiring harness
4	Engine control unit -J623-
5	Engine control unit -J623-

Back to overview

VW POLO 2015 Overview of control units

Overview of control units

3 -	Battery monitor control unit -J367-

q	Fitting location

VW POLO 2015 Trailer detector control unit J345 Trailer detector control unit -J345- Fitting location: Behind right side trim in luggage compartment.

1 -	Trailer detector control unit -J345-

A -	10-pin connector -T10b-

B -	6-pin connector -T6-

C -	24-pin connector -T24-

Connector assignment of trailer detector control unit -J345-

-T10b- (A)	Designation		-T6- (B)	Designation		-T24- (C)	Designation
1	Terminal 15		1			1	Trailer socket -U10- Terminal 15
2	Brake light switch -F-		2	Terminal 31		2	Trailer socket -U10- Terminal 30
3	B397 Connection 1 (convenience CAN bus, high), in main wiring harness		3	Terminal 30		3	Trailer socket -U10- , brake light
4	B406 Connection 1 (convenience CAN bus, low), in main wiring harness		4	Terminal 30		4
5			5	Terminal 30		5
6			6	Terminal 15		6
			7			7	Test jumper
			8			8
			9			9
			10			10	Test jumper
						11
						12	Trailer socket -U10- , rear fog light
						13
						14
						15	Trailer socket -U10- , right tail light
						16
						17
						18	Trailer socket -U10- , right turn signal
						19	Trailer socket -U10- , reversing light
						20
						21
						22
						23	Trailer socket -U10- , left tail light
						24	Trailer socket -U10- , left turn signal

Back to overview VW POLO 2015 Parking aid control unit J446 Parking aid control unit -J446- Fitting location: Behind right side trim in luggage compartment.

1 -	Parking aid control unit -J446-

A -	18-pin connector -T18c-

B -	26-pin connector -T26-

-T18c- (A)	Designation	-T26- (B)	Designation
1		1
2		2	Front parking aid warning buzzer -H22-
3	Front centre left parking aid sender -G254- , signal	3
4	Front right parking aid sender -G252- , signal	4
5		5
6		6	Rear left parking aid sender -G203- , signal
7		7	Rear centre right parking aid sender -G205- , signal
8		8
9		9	Rear parking aid warning buzzer -H15-
10	Front right parking aid sender -G252- , - front centre right parking aid sender -G253- , - front centre left parking aid sender -G254- , - front left parking aid sender -G255- , -	10	Front parking aid warning buzzer -H22-
11	Front left parking aid sender -G255- , signal	11
12	Front centre right parking aid sender -G253- , signal	12
13		13	Terminal 31
14	Front right parking aid sender -G252- , + front centre right parking aid sender -G253- , + front centre left parking aid sender -G254- , + front left parking aid sender -G255- , +	14	Terminal 15
15		15	Rear parking aid warning buzzer -H15-
16		16	Parking aid button -E266-
17		17	Parking aid warning lamp -K136-
18		18	Rear left parking aid sender -G203- , + rear centre left parking aid sender -G204- , + rear centre right parking aid sender -G205- , + rear right parking aid sender -G206- , +
		19	Rear left park assist steering sender -G716- , signal
		20	Rear centre left parking aid sender -G204- , signal
		21	Rear right parking aid sender -G206- , signal
		22	Rear left parking aid sender -G203- , - rear centre left parking aid sender -G204- , - rear centre right parking aid sender -G205- , - rear right parking aid sender -G206- , -
		23	Onboard supply control unit -J519- , can-l
		24	Onboard supply control unit -J519- , can-h
		25
		26

Back to overview VW POLO 2015 Battery monitor control unit J367 Battery monitor control unit -J367- Fitting location: On battery.

1 -	Battery monitor control unit -J367-

A -	2-pin connector -T2bn-

-T2bn-	Designation
1	LIN
2	Terminal 30

Back to overview