Battery In Engine Compartment, Disconnecting and Connecting

Battery in Engine Compartment, Disconnecting and Connecting

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1331)

CAUTION!
Observe notes for threaded connections of battery terminals.

• To disconnect battery, anti-theft alarm system must be deactivated. Refer to => [ Anti-Theft Alarm System, Activating and Deactivating ] Anti-Theft Alarm System, Activating and Deactivating.

• By removing the battery negative terminal clamp (current disruption), safe work on the electrical system is guaranteed. Disconnecting the battery positive (B+) terminal must only be performed as required to remove battery from vehicle, and must only be carried out after the negative (-) terminal is disconnected. However, observe notes for connecting battery in any case.

Disconnecting

- Switch ignition and all electrical consumers off and disengage the key or ignition switch in position 0 (ignition off).

- Open locking mechanism - arrow - and remove the cover on the battery case.





- First, disconnect the battery terminal clamp of ground wire - 1 - from the battery negative terminal.

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





Connecting

CAUTION!
Observe notes for threaded connections of battery terminals.

• After connecting the battery and turning the ignition on, the Asr/Esp Indicator Lamp (K155) and electromechanical power steering indicator lamp come on and stay on. The indicator lamps go out automatically when vehicle is driven a distance straight ahead at 15 to 20 km/h. This activates Steering Angle Sensor (G85).

- Connect the positive wire battery terminal clamp - 2 - to the battery positive terminal and tighten the mounting bolt to the specification shown in => [ Fastener Tighten Specifications, Battery In Engine Compartment ] [1][2]Mechanical Specifications.

- Attach the ground cable - 1 - to the battery negative terminal and tighten the bolt to the tightening specification. Refer to => [ Fastener Tighten Specifications, Battery In Engine Compartment ] [1][2]Mechanical Specifications.





- Perform the work procedures in the table.

Work Steps Required After Reconnecting Battery





If necessary, the table can be printed out.