VW POLO 2010 – Cooler system with air conditioning system, Climatic . Wiring diagrams, Pin Connector, Location

Wiring Diagram VW POLO 2010 - 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
S177	Fuse 5 (30) in fuse holder on battery
S180	Fuse 8 (30) in fuse holder on battery
S269	Fuse 11 (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
T6q	6-pin connector, blue, on left in engine compartment
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

E4	Headlight dipper/flasher switch
F	Brake light switch
J59	X-contact relief relay
J519	Onboard supply control unit
SB18	Fuse 18 on fuse holder
SB20	Fuse 20 on fuse holder
SB26	Fuse 26 on fuse holder
SB29	Fuse 29 on fuse holder
T3c	3-pin connector, grey, in left engine compartment
T4c	4-pin connector, on brake light switch
T6j	6-pin connector, on X-contact relief relay
T18a	18-pin connector, on onboard supply control unit
T41a	41-pin connector, on turn signal switch
B150	Positive connection 2 (30a), in interior wiring harness
B156	Positive connection (30a), in interior wiring harness
B165	Positive connection 2 (15), in interior wiring harness
B492	Positive connection 3 (15), in interior wiring harness

D	Ignition/starter switch
E19	Parking light switch
J17	Fuel pump relay
J519	Onboard supply control unit
J643	Fuel supply relay
SB10	Fuse 10 on fuse holder
T5f	5-pin connector, on fuel supply relay
T6l	6-pin connector, on fuel pump relay
T8a	8-connector, on ignition/starter switch
T18a	18-pin connector, on onboard supply control unit
T41a	41-pin connector, on turn signal switch
B111	Positive connection 1 (30a), in interior wiring harness
B491	Positive connection (75), in interior wiring harness
B500	Connection (86s), in interior wiring harness
B503	Positive connection 7 (30a), in interior wiring harness

G65	High pressure sender
J301	Air conditioning system control unit
J519	Onboard supply control unit
N280	Air conditioning system compressor regulating valve
T2bc	2-pin connector, near dual tone horn
T2bd	2-pin connector, near compressor
T3k	3-pin connector, on high pressure sender
T11c	11-pin connector, brown, in left engine compartment
T16c	16-pin connector, on air conditioning system control unit
167	Earth connection 4, in engine compartment wiring harness
B149	Positive connection 2 (15a), in interior wiring harness
D136	Positive connection 2 (15a), in engine compartment wiring harness

F18	Radiator fan thermal switch
J293	Radiator fan control unit
J519	Onboard supply control unit
T3e	3-pin connector, in left engine compartment
T3f	3-pin connector, on radiator fan thermal switch
T4r	4-pin connector, on radiator fan control unit
T6k	6-pin connector, on radiator fan control unit
V35	Right radiator fan
167	Earth connection 4, in engine compartment wiring harness
D168	Connection (fan stage 2), in engine compartment wiring harness

J293	Radiator fan control unit
J519	Onboard supply control unit
J533	Data bus diagnostic interface
T3r	3-pin connector, in left engine compartment
T4r	4-pin connector, on radiator fan control unit
T6k	6-pin connector, on radiator fan control unit
T16a	16-pin connector, on onboard supply control unit
T16b	16-pin connector, near relay station
T18a	18-pin connector, on onboard supply control unit
V7	Radiator fan
42	Earth point, next to steering column
167	Earth connection 4, in engine compartment wiring harness
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
B159	Connection (diagnosis), in interior wiring harness
B231	Positive connection 5 (30a), in interior wiring harness
D167	Connection (fan stage I), in engine compartment wiring harness

G3	Coolant temperature gauge
G32	Coolant shortage indicator sender
J285	Display control unit in dash panel insert
J519	Onboard supply control unit
K	Dash panel insert
K36	Coolant shortage warning lamp
T2n	2-pin connector, on coolant shortage indicator sender
T5d	5-pin connector, black, on onboard supply control unit
T6p	6-pin connector, yellow, in left engine compartment
T8b	8-connector, on dash panel insert
T11b	11-pin connector, red, in left engine compartment
T16a	16-pin connector, on onboard supply control unit
T32a	32-pin connector, on dash panel insert
42	Earth point, next to steering column
279	Earth connection 5, in interior wiring harness
327	Earth connection (sender earth), in engine compartment wiring harness
401	Earth connection (sender earth), in interior wiring harness
606	Earth point, under the centre console near gear stick
B229	Connection (high bus), in interior wiring harness
B230	Connection (low bus), in interior wiring harness