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 |
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 |
Wiring Diagram VW POLO 2010 - Radiator fan thermal switch - onboard supply control unit - radiator fan
E4 | Headlight dipper/flasher switch |
F18 | Radiator fan thermal switch |
J59 | X-contact relief relay |
J519 | Onboard supply control unit |
S180 | Fuse 8 (30) in fuse holder on battery |
T3c | 3-pin connector, grey, in left engine compartment |
T3e | 3-pin connector, in left engine compartment |
T3f | 3-pin connector, on radiator fan thermal 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 |
V7 | Radiator fan |
12 | Earth point, on left in engine compartment |
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 |
Wiring Diagram VW POLO 2010 - Ignition/starter switch - onboard supply control unit
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 |
Wiring Diagram VW POLO 2010 - Coolant temperature gauge - coolant shortage indicator sender - dash panel insert - coolant shortage warning lamp
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 |
Wiring Diagram VW POLO 2010 - Onboard supply control unit - data bus diagnostic interface
F | Brake light switch |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
SB20 | Fuse 20 on fuse holder |
SB26 | Fuse 26 on fuse holder |
SB29 | Diagnostic connector fuse (5A) |
T4c | 4-pin connector, under rear seat, right |
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 |
284 | Earth connection 6, in interior wiring harness |
285 | Earth connection 7, in interior wiring harness |
B159 | Connection (diagnosis), in interior wiring harness |
B231 | Positive connection 5 (30a), in interior wiring harness |
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