AUDI Q3 2012 – Ring circuit break diagnostic . Wiring diagrams, Pin Connector, Location

Wiring Diagram AUDI Q3 2012 - Digital sound package control unit - Data bus diagnostic interface - CD changer - Connection 1 - in diagnosis wiring harness

J525	Digital sound package control unit
J533	Data bus diagnostic interface
J794	Control unit 1 for information electronics
R41	CD changer
T8aa	8-pin connector
T12w	12-pin connector
T20	20-pin connector
T38	38-pin connector
H20	Connection 1, in diagnosis wiring harness
*	Only models with BOSE sound system
*2	Only models with radio concert
*3	see applicable current flow diagram

Wiring Diagram AUDI Q3 2012 - Digital sound package control unit - Data bus diagnostic interface - Control unit 1 for information electronics - Radio - CD changer - TV tuner - Connection 1 - in diagnosis wiring harness

J525	Digital sound package control unit
J533	Data bus diagnostic interface
J794	Control unit 1 for information electronics
R	Radio
R41	CD changer
R78	TV tuner
T8aa	8-pin connector
T8ah	8-pin connector
T10ag	10-pin connector
T12aa	12-pin connector
T20	20-pin connector
T20l	20-pin connector
T38	38-pin connector
H20	Connection 1, in diagnosis wiring harness
*	Only models with BOSE sound system
*2	According to equipment
*3	Only models with MMI
*4	see applicable current flow diagram
*5	see applicable current flow diagram for TV tuner

AUDI Q3 2012 Overview of control units in rear part of vehicle

Overview of control units in rear part of vehicle

4 -	Battery monitor control unit -J367-

q	for models with battery in luggage compartment only

q	Fitting location and connectors:

q	Location and connectors with digital tuner:

12 -

Radio -R-

q	for models with MMI only

q	Fitting location and connectors:

AUDI Q3 2012 CD changer R41 CD changer -R41- Fitting location: behind left side trim in luggage compartment.

A -	CD changer -R41-

A1 -	8-pin connector -T8aa- , black

A2 -	2-pin connector -T2dm- , black

Back to overview . AUDI Q3 2012 Radio -R- (MMI) Fitting location: behind left side trim in luggage compartment.

A -

Radio -R-

A1 -	4-pin connector -T4v- , cream white

A2 -	2-pin connector -T2y- , black

A3 -	Terminal block (-T10ag- , -T8af- )

A4 -	2-pin connector -T2dh- , black

Back to overview . AUDI Q3 2012 TV tuner -R78- (hybrid tuner) Fitting location: behind left side trim in luggage compartment.

A -	TV tuner -R78-

A1 -	4-pin connector -T4y- , nut brown

A2 -	4-pin connector -T2aa- , leaf green

A3 -	4-pin connector -T4aa- , leaf green

A4 -	2-pin connector -T2do- , black

A5 -	4-pin connector -T4ah- , nut brown

q	for models with Japan equipment only

A6 -	20-pin connector -T20l- , black

Back to overview . AUDI Q3 2012 TV tuner -R78- (digital tuner) Fitting location: behind left side trim in luggage compartment.

A -	TV tuner -R78-

A1 -	2-pin connector -T2ab- , nut brown

A2 -	4-pin connector -T4ab- , leaf green

A3 -	2-pin connector -T2aa- , leaf green

A4 -	2-pin connector -T2do- , black

A5 -	12-pin connector -T12aa- , black

Back to overview . AUDI Q3 2012 Reversing camera system control unit J772 Reversing camera system control unit -J772- Fitting location: behind left side trim in luggage compartment.

A -	Reversing camera system control unit -J772-

A1 -	54-pin connector -T54a- , light blue

A2 -	not assigned

A3 -	2-pin connector -T2df- , leaf green

A4 -	2-pin connector -T2v- , blue-grey

Back to overview . AUDI Q3 2012 Aerial amplifier for mobile telephone R86 Aerial amplifier for mobile telephone -R86- Fitting location: behind right side trim in luggage compartment.

A -	Aerial amplifier for mobile telephone -R86-

A1 -	4-pin connector -T4ak- , black

A2 -	2-pin connector -T2m- , black

A3 -	2-pin connector -T2n- , Bordeaux violet

Back to overview . AUDI Q3 2012 Parking aid control unit -J446- / park assist steering control unit -J791- Fitting location: behind right side trim in luggage compartment.

A -	Parking aid control unit -J446- / park assist steering control unit -J791-

A1 -	12-pin connector -T12f- , black

A2 -	12-pin connector -T12e- , brown

A3 -	16-pin connector -T16b- , black

Back to overview . AUDI Q3 2012 Trailer detector control unit J345 Trailer detector control unit -J345- Fitting location: behind right side trim in luggage compartment.

A -	Trailer detector control unit -J345-

A1 -	16-pin connector -T16l- , black

A2 -	12-pin connector -T12b- , red

A3 -	12-pin connector -T12c- , blue

Back to overview . AUDI Q3 2012 Lane change assist control unit J769 Lane change assist control unit -J769- Fitting location: in rear bumper on right.

A -	Lane change assist control unit -J769-

A1 -	12-pin connector -T12g- , black

Back to overview . AUDI Q3 2012 Lane change assist control unit 2 J770 Lane change assist control unit 2 -J770- Fitting location: in rear bumper on left.

A -	Lane change assist control unit 2 -J770-

A1 -	12-pin connector -T12h- , black

Back to overview . AUDI Q3 2012 Digital sound package control unit J525 Digital sound package control unit -J525- Fitting location: under luggage compartment floor at rear right.

A -	Digital sound package control unit -J525-

A1 -	38-pin connector -T38- , black

A2 -	not assigned

A3 -	2-pin connector -T2dk- , black

Back to overview . AUDI Q3 2012 Battery monitor control unit J367 Battery monitor control unit -J367- Fitting location: on earth cable battery terminal clamp.

A -	Battery monitor control unit -J367-

A1 -	2-pin connector -T2- , black

Back to overview . AUDI Q3 2012 Special vehicle control unit J608 Special vehicle control unit -J608- Fitting location: behind left side trim in luggage compartment.

A -	Special vehicle control unit -J608-

A1 -	16-pin connector -T16t- , brown

A2 -	20-pin connector -T20m- , black

A3 -	not assigned

A4 -	not assigned

A5 -	12-pin connector -T12ai- , black

Back to overview . AUDI Q3 2012 All-wheel drive control unit J492 All-wheel drive control unit -J492- Fitting location: on rear axle differential.

A -	All-wheel drive control unit -J492-

A1 -	2-pin connector -T2ax- , black

A2 -	8-pin connector -T8y- , black

Back to overview . AUDI Q3 2012 Control unit for reducing-agent heater J891 Control unit for reducing-agent heater -J891- Fitting location: behind right side trim in luggage compartment.

1 -	Control unit for reducing-agent heater -J891-

A -	5-pin connector -T5p- , translucent

B -	4-pin connector -T4bo- , black

Back to overview . AUDI Q3 2012 Rear lid control unit J605 Rear lid control unit -J605- Fitting location: behind left side trim in luggage compartment.

1 -	Rear lid control unit -J605-

A -	4-pin connector -T4ar- , black

B -	5-pin connector -T5g- , black

C -	26-pin connector -T26c- , black

Back to overview . AUDI Q3 2012 Radio controlled clock receiver J489 Radio controlled clock receiver -J489- Fitting location: in rear bumper on left.

1 -	Radio controlled clock receiver -J489-

A -	3-pin connector -T3by- , black

Back to overview .

AUDI Q3 2012 Overview of control units in middle part of vehicle

Overview of control units in middle part of vehicle

q	Fitting location and connectors for diesel engines:

AUDI Q3 2012 Control unit for electromechanical parking brake J540 Control unit for electromechanical parking brake -J540- Fitting location: behind centre console.

A -	Control unit for electromechanical parking brake -J540-

A1 -	30-pin connector -T30- , black

Back to overview . AUDI Q3 2012 Radio -R- (chorus radio system) Fitting location: Dash panel - centre.

A -

Radio -R-

A1 -	2-pin connector -T2c- , cream white

A2 -	Terminal block (-T8k- , -T12i- , -T8b- )

Back to overview . AUDI Q3 2012 Rear right door control unit J389 Rear right door control unit -J389- Fitting location: In rear right door.

A -	Rear right door control unit -J389-

A1 -	6-pin connector -T6i- , black

A2 -	20-pin connector -T20f- , black

A3 -	16-pin connector -T16j- , black

Back to overview . AUDI Q3 2012 Rear left door control unit J388 Rear left door control unit -J388- Fitting location: In rear left door.

A -	Rear left door control unit -J388-

A1 -	6-pin connector -T6h- , black

A2 -	20-pin connector -T20e- , black

A3 -	16-pin connector -T16i- , black

Back to overview . AUDI Q3 2012 Front passenger door control unit J387 Front passenger door control unit -J387- Fitting location: In front passenger door.

A -	Front passenger door control unit -J387-

A1 -	6-pin connector -T6g- , black

A2 -	20-pin connector -T20d- , black

A3 -	16-pin connector -T16f- , black

A4 -	32-pin connector -T32c- , blue

Back to overview . AUDI Q3 2012 Driver door control unit J386 Driver door control unit -J386- Fitting location: In driver door.

A -	Driver door control unit -J386-

A1 -	6-pin connector -T6f- , black

A2 -	20-pin connector -T20c- , black

A3 -	16-pin connector -T16e- , black

A4 -	32-pin connector -T32b- , blue

Back to overview . AUDI Q3 2012 Lane departure warning control unit J759 Lane departure warning control unit -J759- Fitting location: Near interior mirror.

A -	Lane departure warning control unit -J759-

A1 -	12-pin connector -T12l- , black

Back to overview . AUDI Q3 2012 Steering column electronics control unit J527 Steering column electronics control unit -J527- Fitting location: On steering column.

A -	Steering column electronics control unit -J527-

A1 -	4-pin connector -T4- , yellow

A2 -	16-pin connector -T16c- , black

Back to overview . AUDI Q3 2012 Heated front seats control unit J774 Heated front seats control unit -J774- Fitting location: behind centre console.

A -	Heated front seats control unit -J774-

A1 -	8-pin connector -T8z- , black

Back to overview . AUDI Q3 2012 Airbag control unit J234 Airbag control unit -J234- Fitting location: behind centre console.

A -	Airbag control unit -J234-

A1 -	50-pin connector -T50- , yellow

Back to overview . Airbag control unit -J234- , for models with US equipment only Fitting location: behind centre console.

1 -	Airbag control unit -J234-

A -	100-pin connector -T100- , yellow

Back to overview . Fresh air blower control unit -J126- Fitting location: Behind glove compartment.

A -	Fresh air blower control unit -J126-

A1 -	6-pin connector -T6u- , brown

Back to overview AUDI Q3 2012 Control unit in dash panel insert J285 Control unit in dash panel insert -J285- Fitting location: in the dash panel.

A -	Control unit in dash panel insert -J285-

A1 -	32-pin connector -T32- , blue

Back to overview . AUDI Q3 2012 Air conditioning system control unit J301 Air conditioning system control unit -J301- Fitting location: in centre of dash panel.

A -	Air conditioning system control unit -J301-

A1 -	5-pin connector -T5e- , black

A2 -	16-pin connector -T16o- , black

A3 -	20-pin connector -T20b- , black

Back to overview . AUDI Q3 2012 Data bus diagnostic interface J533 Data bus diagnostic interface -J533- Fitting location: Behind dash panel on left.

A -	Data bus diagnostic interface -J533-

q	for models with MOST bus only

A1 -	2-pin connector -T2dl- , black

q	for models with MOST bus only

A2 -	20-pin connector -T20- , red

B -	Data bus diagnostic interface -J533-

q	for models without MOST bus only

Back to overview . AUDI Q3 2012 Onboard supply control unit J519 Onboard supply control unit -J519- Fitting location: Behind dash panel on left.

A -	Onboard supply control unit -J519-

A1 -	52-pin connector -T52a- , black

A2 -	52-pin connector -T52b- , natural

A3 -	52-pin connector -T52c- , natural

Back to overview . AUDI Q3 2012 Climatronic control unit J255 Climatronic control unit -J255- Fitting location: in centre of dash panel.

A -	Climatronic control unit -J255-

A1 -	16-pin connector -T16n- , black

A2 -	12-pin connector -T12j- , black

A3 -	20-pin connector -T20j- , red

A4 -	16-pin connector -T16m- , black

Back to overview . AUDI Q3 2012 Headlight range control unit -J431- / control unit for cornering light and headlight range -J745- Fitting location: Behind glove compartment.

A -	Headlight range control unit -J431- / control unit for cornering light and headlight range -J745-

A1 -	26-pin connector -T26a- , black

q	for models without cornering light only

A1 -	26-pin connector -T26b- , black

q	for models with cornering light only

Back to overview . AUDI Q3 2012 Entry and start authorisation control unit J518 Entry and start authorisation control unit -J518- Fitting location: below the dash panel.

A -	Entry and start authorisation control unit -J518-

A1 -	32-pin connector -T32a- , blue

Back to overview . AUDI Q3 2012 Control unit for electronic steering column lock J764 Control unit for electronic steering column lock -J764- Fitting location: On steering column.

A -	Control unit for electronic steering column lock -J764-

A1 -	16-pin connector -T16k- , black

Back to overview . AUDI Q3 2012 Electronically controlled damping control unit J250 Electronically controlled damping control unit -J250- Fitting location: Under front passenger seat.

A -	Electronically controlled damping control unit -J250-

A1 -	47-pin connector -T47a- , black

Back to overview . AUDI Q3 2012 Voltage stabilizer J532 Voltage stabilizer -J532- Fitting location: Under driver seat.

A -	Voltage stabilizer -J532-

A1 -	12-pin connector -T12d- , black

Back to overview . AUDI Q3 2012 Fuel pump control unit -J538- (diesel engine) Fitting location: Under rear seat bench.

A -	Fuel pump control unit -J538-

A1 -	6-pin connector -T6e- , black

Back to overview . AUDI Q3 2012 Fuel pump control unit -J538- (petrol engine) Fitting location: Under rear seat bench.

A -	Fuel pump control unit -J538-

A1 -	5-pin connector -T5c- , black

Back to overview . AUDI Q3 2012 Internet access control unit J666 Internet access control unit -J666- Fitting location: In glove compartment.

A -	Internet access control unit -J666-

A1 -	20-pin connector -T20g- , black

A2 -	2-pin connector -T2af- , beige

A3 -	4-pin connector -T4o- , black

A4 -	4-pin connector -T4n- , leaf green

Back to overview . AUDI Q3 2012 Sliding sunroof adjustment control unit J245 Sliding sunroof adjustment control unit -J245- Fitting location: on front sunroof motor.

A -	Sliding sunroof adjustment control unit -J245-

A1 -	10-pin connector -T10m- , black

Back to overview . AUDI Q3 2012 Sunroof roller blind control unit J394 Sunroof roller blind control unit -J394- Fitting location: on sunroof roller blind motor.

A -	Sunroof roller blind control unit -J394-

A1 -	10-pin connector -T10n- , black

Back to overview . AUDI Q3 2012 Display unit for front information display and operating unit control unit J685 Display unit for front information display and operating unit control unit -J685- Fitting location: Dash panel - centre.

1 -	Display unit for front information display and operating unit control unit -J685-

A -	4-pin connector -T4c- , white

q	for models with concert radio system only

A -	4-pin connector -T4ao- , black

q	for models with MMI only

B -	8-pin connector -T8ai- , black

Back to overview AUDI Q3 2012 Main beam assist control unit J844 Main beam assist control unit -J844- Fitting location: On interior mirror.

1 -	Main beam assist control unit -J844-

A -	8-pin connector -T8ad- , black

Back to overview AUDI Q3 2012 Selector lever sensors control unit J587 Selector lever sensors control unit -J587- Fitting location: on selector lever bracket

1 -	Selector lever sensors control unit -J587-

A -	10-pin connector -T10j- , black

Back to overview . AUDI Q3 2012 Chip card reader control unit J676 Chip card reader control unit -J676- Fitting location: In glove compartment.

1 -	Chip card reader control unit -J676-

A -	32-pin connector -T32ja- , black

Back to overview .