VW POLO 2013 – 2.0 l/85 kW Motronic, engine code BBX . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2013 - Battery - starter - alternator - voltage regulator - onboard supply control unit

A	Battery
B	Starter
C	Alternator
C1	Voltage regulator
J519	Onboard supply control unit
S162	Fuse 1 (30) in fuse holder on battery
S163	Fuse 2 (30) in fuse holder on battery
T1a	Single pin connector, on starter
T2x	2-pin connector, near dual tone horn
T2y	2-pin connector, on alternator
T11d	11-pin connector, white, in left engine compartment
T18a	18-pin connector, on onboard supply control unit
1	Earth strap, battery - body
507	Screw connection (30), on fuse holder on battery
621	Earth point, onboard supply battery

Wiring Diagram VW POLO 2013 - Onboard supply control unit

J500	Power steering control unit
J519	Onboard supply control unit
S268	Fuse 10 (30) in fuse holder on battery
T4e	4-pin connector, on power steering control unit
T11d	11-pin connector, white, in left engine compartment
T12a	12-pin connector, white, in left engine compartment
T16a	16-pin connector, on onboard supply control unit
T18a	18-pin connector, on onboard supply control unit
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness
D159	Connection (high bus), in engine compartment wiring harness
D160	Connection (low bus), in engine compartment wiring harness

Wiring Diagram VW POLO 2013 - Ignition/starter switch - onboard supply control unit

D	Ignition/starter switch
E19	Parking light switch
J519	Onboard supply control unit
SB10	Fuse 10 on fuse holder
T6q	6-pin connector, blue, on left in engine compartment
T8a	8-connector, on ignition/starter switch
T18a	18-pin connector, on onboard supply control unit
T41a	41-pin connector, on turn signal switch
238	Earth connection 1, in interior wiring harness
249	Earth connection 2, in interior wiring harness
278	Earth connection 4, in interior wiring harness
606	Earth point, under the centre console near gear stick
B111	Positive connection 1 (30a), in interior wiring harness
B491	Positive connection (75), in interior wiring harness
B503	Positive connection 7 (30a), in interior wiring harness

Wiring Diagram VW POLO 2013 - Speedometer sender - onboard supply control unit

G22	Speedometer sender
J519	Onboard supply control unit
SB37	Fuse 37 on fuse holder
T3i	3-pin connector, on speedometer sender
T6p	6-pin connector, yellow, in left engine compartment
T11d	11-pin connector, white, in left engine compartment
T14a	14-pin connector, in left engine compartment
T18a	18-pin connector, on onboard supply control unit
13	Earth point, on right in engine compartment
131	Earth connection 2, in engine compartment wiring harness
210	Earth connection 1, in Motronic wiring harness
B163	Positive connection 1 (15), in interior wiring harness
B165	Positive connection 2 (15), in interior wiring harness
B492	Positive connection 3 (15), in interior wiring harness

Wiring Diagram VW POLO 2013 - Lambda probe - accelerator position sender - accelerator position sender 2 - Motronic control unit

G39	Lambda probe
G79	Accelerator position sender
G185	Accelerator position sender 2
J220	Motronic control unit
J519	Onboard supply control unit
SB9	Fuse 9 on fuse holder
T4x	4-pin connector, in rear engine compartment
T6p	6-pin connector, yellow, in left engine compartment
T6z	6-pin connector, in accelerator position sender
T11a	11-pin connector, blue, in left engine compartment
T11b	11-pin connector, red, in left engine compartment
T52a	52-pin connector, on Motronic control unit
B178	Connection (speed signal), in interior wiring harness

Wiring Diagram VW POLO 2013 - Motronic control unit - onboard supply control unit - active charcoal filter system solenoid valve -1

J220	Motronic control unit
J519	Onboard supply control unit
N80	Activated charcoal filter system solenoid valve 1
SB45	Fuse 45 on fuse holder
T2o	2-pin connector, on activated charcoal filter system solenoid valve
T6p	6-pin connector, yellow, in left engine compartment
T6q	6-pin connector, blue, on left in engine compartment
T11b	11-pin connector, red, in left engine compartment
T14a	14-pin connector, in left engine compartment
T52a	52-pin connector, on Motronic control unit

Wiring Diagram VW POLO 2013 - Engine speed sender - Hall sender - intake manifold pressure sender - intake air temperature sender

G28	Engine speed sender
G40	Hall sender
G42	Intake air temperature sender
G66	Knock sensor 2
G71	Intake manifold pressure sender
J220	Motronic control unit
J519	Onboard supply control unit
T2bm	2-pin connector, on knock sensor 2
T3g	3-pin connector, on Hall sender
T3h	3-pin connector, in right engine compartment
T4i	4-pin connector, on intake manifold pressure sender
T28a	28-pin connector, on Motronic control unit
139	Earth connection (sender earth), in Motronic wiring harness
216	Earth connection 2, in Motronic wiring harness
E16	Positive connection (5 volts), in Motronic wiring harness

Wiring Diagram VW POLO 2013 - Knock sensor 1 - throttle valve drive - throttle valve drive angle sender - ignition transformer - spark plug connector - spark plugs

G61	Knock sensor 1
G62	Coolant temperature display sender
G186	Throttle valve drive, electric throttle
G187	Throttle valve drive angle sender 1 for electric throttle
G188	Throttle valve drive angle sender 2 for electric throttle
J220	Motronic control unit
J519	Onboard supply control unit
N152	Ignition transformer
P	Spark plug connector
Q	Spark plugs
T2w	2-pin connector, on knock sensor 1
T2z	2-pin connector, on coolant temperature sender
T4h	4-pin connector, on ignition transformer
T6v	6-pin connector, on throttle valve drive for electric throttle
T14a	14-pin connector, in left engine compartment
T28a	28-pin connector, on Motronic control unit
139	Earth connection (sender earth), in Motronic wiring harness

Wiring Diagram VW POLO 2013 - Fuel gauge sender - fuel pump - Motronic control unit - injector - cylinder 1 - injector - cylinder 2 - injector - cylinder 3 - injector - cylinder 4

G	Fuel gauge sender
G6	Fuel system pressurisation pump
J220	Motronic control unit
J519	Onboard supply control unit
SB41	Fuse 41 on fuse holder
N30	Injector, cylinder 1
N31	Injector, cylinder 2
N32	Injector, cylinder 3
N33	Injector, cylinder 4
T2ab	2-pin connector, on injector, cylinder 1
T2ac	2-pin connector, on injector, cylinder 2
T2ad	2-pin connector, on injector, cylinder 3
T2af	2-pin connector, on injector, cylinder 4
T4a	4-pin connector, under right seat bench
T6p	6-pin connector, yellow, in left engine compartment
T14a	14-pin connector, in left engine compartment
T28a	28-pin connector, on Motronic control unit
E54	Connection (injectors), in Motronic wiring harness

Wiring Diagram VW POLO 2013 - Onboard supply control unit

J519	Onboard supply control unit
SB5	Fuse 5 on fuse holder
T3c	3-pin connector, grey, in left engine compartment
T5d	5-pin connector, black, on onboard supply control unit
42	Earth point, next to steering column
279	Earth connection 5, in interior wiring harness
284	Earth connection 6, in interior wiring harness
285	Earth connection 7, in interior wiring harness
606	Earth point, under the centre console near gear stick
B150	Positive connection 2 (30a), in interior wiring harness
B151	Positive connection 3 (30a), in interior wiring harness
B156	Positive connection (30a), in interior wiring harness

Wiring Diagram VW POLO 2013 - Fuel pump relay - onboard supply control unit - fuel supply relay

J17	Fuel pump relay
J519	Onboard supply control unit
J643	Fuel supply relay
SB14	Fuse 14 on fuse holder
SB25	Fuse 25 on fuse holder
T5f	5-pin connector, on fuel supply relay
T6l	6-pin connector, on fuel pump relay
T6p	6-pin connector, yellow, in left engine compartment
T16a	16-pin connector, black, on onboard supply control unit
B146	Positive connection 1 (87), in interior wiring harness

Wiring Diagram VW POLO 2013 - Brake light switch - clutch pedal switch - brake pedal switch - onboard supply control unit

F	Brake light switch
F36	Clutch pedal switch
F47	Cruise control system brake pedal switch/diesel direct injection system
J519	Onboard supply control unit
M9	Left brake light bulb
SB4	Fuse 4 on fuse holder
T4c	4-pin connector, on brake light switch
T4p	4-pin connector, on clutch pedal switch
T6b	6-pin connector, on left brake light bulb
T6q	6-pin connector, blue, on left in engine compartment
T11a	11-pin connector, blue, in left engine compartment
B131	Connection (54), in interior wiring harness
B135	Positive connection 1 (15a), in interior wiring harness
D73	Positive connection (54), in engine compartment wiring harness
D101	Connection 1, in engine wiring harness

Wiring Diagram VW POLO 2013 - Immobilizer reader coil - fuel gauge - control unit with display in dash panel insert - immobilizer control unit

D2	Immobilizer reader coil
G1	Fuel gauge
J285	Display control unit in dash panel insert
J519	Onboard supply control unit
J362	Immobilizer control unit
K	Dash panel insert
K36	Coolant shortage warning lamp
T2j	2-pin connector, on immobilizer reader coil
T8b	8-connector, on dash panel insert
T11b	11-pin connector, red, in left engine compartment
T32a	32-pin connector, on dash panel insert

Wiring Diagram VW POLO 2013 - Oil pressure switch - control unit with display in dash panel insert - dash panel insert - oil pressure warning lamp

F1	Oil pressure switch
J285	Display control unit in dash panel insert
J519	Onboard supply control unit
K	Dash panel insert
K3	Oil pressure warning lamp
L10	Dash panel insert illumination bulb
T1b	Single pin connector, on oil pressure switch
T8b	8-connector, on dash panel insert
T11b	11-pin connector, red, in left engine compartment
T14a	14-pin connector, in left engine compartment
T16a	16-pin connector, on onboard supply control unit
T18b	18-pin connector, on onboard supply control unit
T32a	32-pin connector, on dash panel insert

Wiring Diagram VW POLO 2013 - Coolant shortage indicator sender - onboard supply control unit - data bus diagnostic interface

G32	Coolant shortage indicator sender
J519	Onboard supply control unit
J533	Data bus diagnostic interface
T2n	2-pin connector, on coolant shortage indicator sender
T6p	6-pin connector, yellow, in left engine compartment
T6q	6-pin connector, blue, on left in engine compartment
T11b	11-pin connector, red, in left engine compartment
T16a	16-pin connector, on onboard supply control unit
T16b	16-pin connector, near relay station, self-diagnosis connection
T18a	18-pin connector, on onboard supply control unit
327	Earth connection (sender earth), in engine compartment wiring harness
401	Earth connection (sender earth), in interior wiring harness
B159	Connection (diagnosis), in interior wiring harness
B231	Positive connection 5 (30a), in interior wiring harness
B500	Connection (86s), in interior wiring harness

Wiring Diagram VW POLO 2013 - Onboard supply control unit

J519	Onboard supply control unit
SB20	Fuse 20 on fuse holder
SB26	Fuse 26 on fuse holder
SB27	Fuse 27 on fuse holder
SB29	Fuse 29 on fuse holder