audi a3 current flow diagram no. 20 / 1

Gas discharge headlights with automatic headlight range controlFrom March 2012

Audi A3Audi A3Audi A3Audi A3 Current Flow DiagramCurrent Flow DiagramCurrent Flow DiagramCurrent Flow Diagram No. 20 / 1 No. 20 / 1 No. 20 / 1 No. 20 / 1 09.201209.201209.201209.2012

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Audi A3Audi A3Audi A3Audi A3 Current Flow DiagramCurrent Flow DiagramCurrent Flow DiagramCurrent Flow Diagram No. 20 / 2No. 20 / 2No. 20 / 2No. 20 / 2

ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink

Terminal 15 voltage supply relay, Fuse 1 in fuse holder A, Fuse holder CJ329 - Terminal 15 voltage supply relay

SA1 - Fuse 1 in fuse holder A

SC - Fuse holder C

SC35 - Fuse 35 on fuse holder C

366 - Earth connection 1, in main wiring harness

369 - Earth connection 4, in main wiring harness

639 - Earth point, left A-pillar

684 - Earth point on front of left side member

B279 - Positive connection 3 (15a) in main wiring harness

* - Only left-hand drive models

*2 - Only right-hand drive models

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Headlight range control unit, Onboard supply control unitJ431 - Headlight range control unit

J519 - Onboard supply control unit

T17b - 17-pin connector

T17c - 17-pin connector

T26a - 26-pin connector



131 - Earth connection 2, in engine compartment wiring harness

671 - Earth point 1, on front of left longitudinal member

D152 - Positive connection 1 (56b), in engine compartment wiring

harness

D200 - Positive connection 3 (15a), in engine compartment wiring

harness

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Rear left vehicle level sender, Headlight range control unit, Onboard supply control unit, Data bus diagnostic interfaceG76 - Rear left vehicle level sender

J431 - Headlight range control unit


J533 - Data bus diagnostic interface




B108 - Connection 1 (CAN bus extended high), in main wiring

harness

B109 - Connection 1 (CAN bus extended low), in main wiring

harness

E135 - Connection (CAN bus extended high), in engine compartment

wiring harness

E136 - Connection (CAN bus extended low), in engine compartment

wiring harness

* - According to equipment

*2 - If fitted

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Left gas discharge bulb control unit, Headlight range control unit, Onboard supply control unit, Left gas discharge (xenon) bulb, Left headlight range control motor, Left dip beam screen motorJ343 - Left gas discharge bulb control unit



L13 - Left gas discharge (xenon) bulb

MX1 - Front left headlight




V48 - Left headlight range control motor

V294 - Left dip beam screen motor


671 - Earth point 1, on front of left longitudinal member

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Headlight range control unit, Onboard supply control unit, Left LED module for daytime running light and side light, Front left turn signal bulb, Front left side marker bulbJ431 - Headlight range control unit


J860 - Control unit for left daytime running light and side light

L176 - Left LED module for daytime running light and side light

MX1 - Front left headlight

M5 - Front left turn signal bulb

M33 - Front left side marker bulb




* - Only models with US equipment

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Right gas discharge bulb control unit, Headlight range control unit, Onboard supply control unit, Right gas discharge (xenon) bulb, Right headlight range control motor, Right dip beam screen motorJ344 - Right gas discharge bulb control unit



L14 - Right gas discharge (xenon) bulb

MX2 - Front right headlight




V49 - Right headlight range control motor

V295 - Right dip beam screen motor


656 - Earth point, on right headlight

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Onboard supply control unit, Control unit for right daytime running light and side light, Right LED module for daytime running light and side light, Front right turn signal bulb, Front right side marker bulbJ519 - Onboard supply control unit

J861 - Control unit for right daytime running light and side light

L177 - Right LED module for daytime running light and side light

MX2 - Front right headlight

M7 - Front right turn signal bulb

M34 - Front right side marker bulb






B642 - Positive connection (58), in main wiring harness

C65 - Positive connection 1, in side marker light wiring harness

* - Only models with US equipment

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audi a3 current flow diagram no. 20 / 1

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