Audi Q3: Control Modules

Component Location Overview - Control Modules

Component Location Overview - Control Modules

1 - Vehicle Electrical System Control Module -J519-

• Removing and installing. Refer to → Chapter "Vehicle Electrical System Control Module -J519-, Removing and Installing".

2 - Mount

• For the relay and fuse panel control module

3 - Relay Carrier under Left Instrument Panel

4 - Front Parking Aid Warning Buzzer -H22-

• Overview. Refer to → Chapter "Overview - Parking Aid".

5 - Vehicle Positioning System Interface Control Module -J843-

• Removing and installing. Refer to → Body Exterior; Rep. Gr.57; Central Locking; Central Locking Component Location Overview.

6 - Nut

• Tightening specification. Refer to → Chapter "Overview - Instrument Panel Relay Carrier/Fuse Carrier and A-Pillar Relay Carrier/Fuse Carrier".
• Quantity: 2

7 - Vehicle Electrical System Control Module Relay Panel

• Removing and installing. Refer to → Chapter "Relay Carrier on Vehicle Electrical System Control Module, Removing and Installing".

8 - Bolt

• Tightening specification. Refer to → Chapter "Overview - Instrument Panel Relay Carrier/Fuse Carrier and A-Pillar Relay Carrier/Fuse Carrier".
• Quantity: 2

9 - Fuse Panel C -SC-

• Overview. Refer to → Chapter "Overview - Instrument Panel Relay Carrier/Fuse Carrier and A-Pillar Relay Carrier/Fuse Carrier".

10 - Mount

• For 16-Pin Connector -T16-

Component Location Overview - Data Bus on Board Diagnostic Interface

1 - Mount

• For Data Bus On Board Diagnostic Interface -J533-
• Removing and installing. Refer to → Chapter "Data Bus On Board Diagnostic Interface -J533-, Removing and Installing".

2 - Fiber Optic Cable Connector

• Seal with Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9-

3 - Data Bus On Board Diagnostic Interface -J533-

• There are different versions. Refer to the Parts Catalog.
• Removing and installing. Refer to → Chapter "Data Bus On Board Diagnostic Interface -J533-, Removing and Installing".

4 - Connector

• For Data Bus On Board Diagnostic Interface -J533-

Vehicle Electrical System Control Module -J519-, Removing and Installing

- If replacing the control module, select the "Replace Control Module" function see Vehicle Diagnostic Tester.

Removing

- Remove the fuse panel C and set aside with the wires still attached. Refer to → Chapter "Fuse Panel C -SC-, Removing and Installing".

- If equipped, remove the relay carrier from the vehicle electrical system control module and with the lines still connected and move it to the side. Refer to → Chapter "Relay Carrier on Vehicle Electrical System Control Module, Removing and Installing".

- Disconnect the connectors -2 through 4-.

- To disconnect the connector, press the tab -1-, turn the retaining bracket in direction of -arrow- and remove the connector.

- Release the springs in direction of -arrows- and remove the vehicle electrical system control module -1- from the base mount downward.

Installing

Install in reverse order of removal. Note the following:

- Install the relay carrier on the vehicle electrical system control module. Refer to → Chapter "Relay Carrier on Vehicle Electrical System Control Module, Removing and Installing".

- Install fuse panel C. Refer to → Chapter "Fuse Panel C -SC-, Removing and Installing".

Data Bus On Board Diagnostic Interface -J533-, Removing and Installing

Special tools and workshop equipment required

• Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9- from Fiber-Optic Repair Set -VAS6223B-

- If replacing the control module, select the "Replace Control Module" function see Vehicle Diagnostic Tester.

Removing

- Remove the driver side instrument panel cover. Refer to → Body Interior; Rep. Gr.68; Storage Compartments/Covers; Driver Side Instrument Panel Cover, Removing and Installing.

- Remove the bolt -1-.

- Remove the footwell vent -2-.

- Open the tab in direction of -arrow A- and pivot the Data Bus On Board Diagnostic Interface -J533--2- from the mount and remove in direction of -arrow B-.

- Disconnect the connector -3-.

- If equipped, disconnect the connector -1- for the fiber-optic cable.

- Seal open wiring harness connector -2- with Fiber-Optic Repair Set - Connector Protective Caps -VAS6223/9--1-.

  Note

The protective cap prevents contamination of or mechanical damage to end face of fiber optic cable which would impair signal transmission.

Remove the Data Bus On Board Diagnostic Interface -J533- Mount:

- Remove the data bus on board diagnostic interface. Refer to → Chapter "Data Bus On Board Diagnostic Interface -J533-, Removing and Installing".

- Free up the wiring harness -2-.

- Open the tab -3- and remove the mount -1- from the pedal assembly in direction of -arrow-.

Installing

Install in reverse order of removal. Note the following:

- Install the driver side footwell vent. Refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Air Duct; Overview - Air Ducts and Air Distribution in Passenger Compartment.

- Install the driver side instrument panel cover. Refer to → Body Interior; Rep. Gr.68; Storage Compartments/Covers; Driver Side Instrument Panel Cover, Removing and Installing.

READ NEXT: