4-position relay carrier, removing and installing
Removing
- Disconnect battery. Audi A4 S4 → Battery in engine compartment, disconnecting and reconnecting . Audi RS4 → Battery in luggage compartment, disconnecting and connecting .
- Where applicable, remove drivers storage compartment → 68 - INTERIOR EQUIPMENT .
- Remove screws - 1 - for fuse panel - 2 -.
- Remove fuse panel from central tube for instrument panel.
- Disengage wiring harness at central tube for instrument panel and set aside.
- Remove nuts - arrows - and detach Vehicle Electrical System Control Module J519 - 1 - with wiring attached.
- Pull the relays or control modules out of 4-position relay carrier.
- Mark assignment of wires at threaded connections - 2 - , - 3 - and - 5 -.
- Remove wires at threaded connections.
- Remove bolt - 1 - and nut - 4 -.
- Unclip fuse carriers at 4-position relay carrier.
- Remove relays and control modules and then unclip appropriate relay carrier.
NOTE:
- Refer to the applicable wiring diagram for exact identification of connections on relay carrier Wiring Diagrams.
Installing
Install in reverse order of removal, noting the following:
- Install wires at threaded connections - 2 - , - 3 - and - 5 - according to markings.
- Reconnect battery. Required steps Audi A4 S4 Reconnecting . Required steps Audi RS4 Connecting .
- Install drivers storage compartment → 68 - INTERIOR EQUIPMENT .
Tightening torques
| Component - fastener | Nm | |
| 4-pin relay carrier to chassis | Nut | 2.4 |
| Screw | 1.7 | |
| Wiring terminal connections - nut | 9 | |