VW POLO 2015 – CAN bus network . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2015 - Isolation relay for powertrain CAN bus

D	Ignition/starter switch
J788	Isolation relay for powertrain CAN bus
T9a	9-pin connector
T16b	16-pin connector
80	Earth connection 1, in dash panel wiring harness
81	Earth connection 1, in dash panel wiring harness
199	Earth connection 3, in dash panel wiring harness
A15	Positive connection (15), in instrument wiring harness
A104	Positive connection 2 (15), in dash panel wiring harness
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness
*	Diagnostic connection
*2	From November 2011
*3	From June 2012

Wiring Diagram VW POLO 2015 - ABS control unit - Multifunction indicator - Automatic gearbox control unit - Airbag control unit - Control unit in dash panel insert - Onboard supply control unit - Engine control unit - ABS warning lamp - Airbag warning lamp

J104	ABS control unit
J119	Multifunction indicator
J217	Automatic gearbox control unit
J234	Airbag control unit
J285	Control unit in dash panel insert
J519	Onboard supply control unit
J623	Engine control unit
K47	ABS warning lamp
K75	Airbag warning lamp
T16a	16-pin connector
T32a	32-pin connector
T38	38-pin connector
T52	52-pin connector
T75	75-pin connector
T80	80-pin connector
A121	Connection (high bus), in dash panel wiring harness
A122	Connection (low bus), in dash panel wiring harness
B383	Connection 1 (powertrain CAN bus, high), in main wiring harness
B390	Connection 1 (powertrain CAN bus, low), in main wiring harness

VW POLO 2015 Overview of relay carrier locations

Overview of relay carrier locations

q	Assignment, up to October 2011

q	Assignment, from November 2011

VW POLO 2015 Relay carrier (15 slot)

Relay carrier (15 slot)

1 -

2 -

3 -

4 -

5 -

6 -

7 -	Motronic current supply relay -J271- (109)

8 -	Starter inhibitor relay -J207- (53)

q	from January 2011

9 -

10 -

11 -	X-contact relief relay -J59- (100)

12 -	Fuel supply relay -J643-

13 -	Fuel pump relay -J17- (167)

14 -

15 -

Back to Overview

VW POLO 2015 Relay carrier (15 slot), from November 2011

Relay carrier (15 slot), from November 2011

1 -

2 -

3 -

4 -

5 -

6 -

7 -	Terminal 30 voltage supply relay -J317- (643)

q	From July 2013

8 -	Isolation relay for powertrain CAN bus -J788- (479)

q	Up to May 2012

- Vacant

q	From June 2012

9 -

10 -

11 -	X-contact relief relay -J59- (100)

12 -	Fuel supply relay -J643-

13 -	Fuel pump relay -J17- (167)

14 -	Main relay -J271- (109)

15 -	Starter inhibitor relay -J207- (53)

Back to Overview

VW POLO 2015 Relay assignment on battery, from October 2011

Relay assignment on battery, from October 2011

1 -	Brake light additional relay -J419-

Back to Overview

VW POLO 2015

VW POLO 2015 Overview of all earth points

Overview of all earth points

   

671	Earth point 1, on front of left longitudinal member

q	Fitting location

12	Earth point, on left in engine compartment

q	Fitting location

15	Earth point, on cylinder head

14	Earth point, on gearbox

q	Fitting location

11	Earth point, in battery box

q	Fitting location

640	Earth point 2, left in engine compartment

q	Fitting location

29	Earth point, near battery

q	Fitting location

606	Earth point, under the centre console near gear stick

q	Fitting location

610	Earth point (audio), front below centre console

q	Fitting location

61	Earth point, left C-pillar

q	Fitting location

62	Earth point, right C-pillar

q	Only Sedan

671 Earth point 1, on front of left longitudinal member    12 Earth point, on left in engine compartment

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14 Earth point, on gearbox

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11 Earth point, in battery box    640 Earth point 2, left in engine compartment

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61 Earth point, left C-pillar

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606 Earth point, under the centre console near gear stick    610 Earth point (audio), front below centre console

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VW POLO 2015 Overview of control units

Overview of control units

q	Fitting location

q	up to October 2011

q	Fitting location

q	Connectors

q	from November 2011

q	Connectors

q	Connector T8c

6 -	not installed

7 -	not installed

9 -	Airbag control unit -J234-

q	Fitting location

q	Connector, up to October 2011

q	Connector, from November 2011

q	Connectors

q

Connector

q

Connector

13 -	Automatic gearbox control unit -J217-

q	Fitting location

q

Connector

Radiator fan control unit -J293- Fitting location

Fitting location: front left in engine compartment 1 -  Radiator fan thermal switch -F18- 2 -  3-pin connector, radiator fan -T3b- , (V7) 3 -  6-pin connector -T6u- 4 -  4-pin connector -T4t- 5 -  Radiator fan control unit -J293-

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VW POLO 2015

Power steering control unit -J500- , up to October 2011

Fitting location

1 -	4-pin connector -T4r-

2 -	2-pin connector -T2a-

3 -	3-pin connector -T3s-

4 -	Power steering control unit -J500-

5 -	Steering hydraulics pump -V119-

6 -	Bass horn -H7-

7 -	not installed

VW POLO 2015 Power steering control unit -J500- , from November 2011 Fitting location 1 -  Power steering control unit -J500- 2 -  Electromechanical power steering motor -V187-

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Connectors

1 -	Power steering control unit -J500-

A -	2-pin connector -T2a- , Power (J500)

B -	3-pin connector -T3el- , CAN (J500)

C -	6-pin connector -T6g- , (G85)

D -	6-pin connector -T6f- , (G269)

VW POLO 2015 Onboard supply control unit J519

Onboard supply control unit -J519-

1 -	Onboard supply control unit -J519-

q	Fitting location: under dash panel

Connectors

XP1 -

6-pin connector -T6o-

q

Black

XP2 -

6-pin connector -T6j-

q

Brown

XP3 -

6-pin connector -T6x-

q

White

XP4 -

5-pin connector -T5a-

q

Black

XP5 -

5-pin connector -T5c-

q

Brown

XS1 -

6-pin connector -T6c-

q

Black

XS2 -

18-pin connector -T18b-

q

Black

XS3 -

6-pin connector -T6y-

q

Brown

XS4 -

18-pin connector -T18a-

q

Brown

XS5 -

6-pin connector -T6k-

q

Red

XS6 -

16-pin connector -T16a-

q

Black

VW POLO 2015 Driver door control unit J386

Driver door control unit -J386-

Connectors

A -	Front passenger door control unit

B -	8-pin connector -T8h-

C -	6-pin connector -T6aa-

VW POLO 2015 Control unit in dash panel insert J285 Control unit in dash panel insert -J285-

Connector, T32a  -  30  -  1 - Immobilizer reader coil  -  2 - Main beam warning lamp  -  3 - Dipped beam warning lamp  -  4 - Vacant  -  5 - Speed signal-output  -  6 - Speed signal-input  -  7 - CAN l (engine)  -  8 - CAN h (engine)  -  9 - CAN h(convenience)  -  10 - CAN l(convenience)  -  11 - Vacant  -  12 - Vacant  -  13 - Vacant  -  14 - Vacant  -  15 - Fuel gauge sender  -  16 - Vacant  -  17 - Immobilizer reader coil  -  18 - Vacant  -  19 - Vacant  -  20 - Vacant  -  21 - Handbrake warning  -  22 - Brake fluid level warning contact  -  23 - Oil pressure switch  -  24 - Wake-up  -  25 - Vacant  -  26 - Vacant  -  27 - Vacant  -  28 - Vacant  -  29 - Vacant  -  30 - Vacant  -  31 - Ambient temperature sensor  -  32 - Vacant

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Connector, T8c  -  1 - Vacant  -  2 - Vacant  -  3 - Vacant  -  4 - Right parking light  -  5 - Terminal 15 - input  -  6 - Left parking light  -  7 - Terminal 30 - input  -  8 - Terminal 31 - input

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Air conditioning system control unit -J301-

A -	5-pin connector -T5h-

B -	16-pin connector -T16c-

C -	18-pin connector -T18c-

D -	Air conditioning system control unit -J301-

VW POLO 2015 Airbag control unit J234 Airbag control unit -J234-

Under centre console at front Fitting location 1 -  606 - Earth point, under the centre console near gear stick 2 -  610 - Earth point (audio), front below centre console 3 -  not installed 4 -  Airbag control unit -J234-   Note Earth connection via housing for vehicle earth!

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Connector, up to October 2011

1 -	Airbag control unit -J234-

q	Pin connector

2 -	50-pin connector -T50-

Connector, from November 2011

A -	Airbag control unit -J234-

q	Pin connector

B -	75-pin connector -T75-

q	on wiring harness

VW POLO 2015 Front passenger door control unit J387

Front passenger door control unit -J387-

Connectors

A -	Front passenger door control unit

B -	8-pin connector -T8i-

C -	Not assigned

VW POLO 2015 Convenience system central control unit J393 Convenience system central control unit -J393- Fitting location

Upto model year October 2011 Under dash panel -Position 2-

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From model year November 2011 Under the dash panel at the A-pillar -Position 1-

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Connectors

A -	Convenience system central control unit -J393-

B -	12-pin connector -T12i-

C -	23-pin connector -T23-

D -	12-pin connector -T12c-

Engine control unit -J623-

Fitting location in rear left of engine compartment-arrow-

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Connector

-T80- -

80-pin connector

80-pin connector -T80- is compised of 52-pin connector and a 28-pin connector

VW POLO 2015 ABS control unit J104 ABS control unit -J104-

Fitting location Fitting location: On left of bulkhead in engine compartment -Position 2-

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Connectors

A -	ABS control unit -J104-

B -	38-pin connector -T38-

VW POLO 2015 Automatic gearbox control unit J217 Automatic gearbox control unit -J217- Fitting location 1 -  Engine control unit -J623- 2 -  Automatic gearbox control unit -J217-   Note Figure can vary.

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Connector

A -	Automatic gearbox control unit -J217-

B -	52-pin connector -T52-