Battery in Engine Compartment, Disconnecting and Connecting

Battery in Engine Compartment, Disconnecting and Connecting

CAUTION!
Risk of injury. Observe warning notes and safety precautions.

Disconnecting

• By disconnecting the negative battery connection (opening the circuit), it is possible to safely work on the electrical system.

• Disconnection of the battery positive terminal is only required for removal of the battery.

- Turn off the ignition and all electrical consumers.

- Open locking mechanism - arrow - and remove battery box cover.





- First, disconnect battery terminal clamp of Ground (GND) wire - 1 - from battery Ground (GND) terminal.





- Then, remove battery terminal clamp of positive wire - 2 - from battery positive terminal.

Connecting

CAUTION!
Observe notes for threaded connections of battery terminals.

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1331)

• After connecting the battery and switching on the ignition, the ASR/ESP Control Lamp (K155) lights up continuously. Control lamp goes out automatically when vehicle is driven a distance straight ahead at 15 to 20 km/h. This re-activates Steering Angle Sensor (G85).

CAUTION!
When disconnecting and connecting battery, the procedure must be followed as described in the repair information. Refer to => [ Battery, Disconnecting and Connecting ] Battery, Disconnecting and Connecting.

Central battery venting hose must not be kinked, closed and/or damaged. Battery acids pose health risks and are explosive. Carefully route the hose and ensure the battery can vent freely and not into inside of vehicle.

- Connect the positive wire battery terminal clamp - 2 - to the battery positive terminal and tighten the mounting bolt to the specification => [ Specifications ] Specifications.

- Connect the ground wire battery terminal clamp - 1 - to the battery negative terminal and tighten the mounting bolt to the specification => [ Specifications ] Specifications.





- Perform the work procedures in the table.

Work steps required after reconnecting battery





If necessary, the table can be printed out.