Main Battery Switch

Main Battery Switch

CAUTION!
When disconnecting and connecting the battery, always perform the work procedure as described in the repair information --> [ Battery, One-Battery Layout, Disconnecting and Connecting ] Battery, One-Battery Layout, Disconnecting and Connecting. Not adhering to sequence will result in the deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components.

Special tools, testers and auxiliary items required

• Torque Wrench (V.A.G 1331/)

Removing

CAUTION!
When disconnecting battery, procedure must always be followed as described in the repair information --> [ Battery, with Auxiliary Battery or Two-Battery Layout, Disconnecting and Connecting ] Battery, with Auxiliary Battery or Two-Battery Layout, Disconnecting and Connecting. Not adhering to sequence will result in the deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components.

- Disconnect battery --> [ Battery, One-Battery Layout, Disconnecting and Connecting ] Battery, One-Battery Layout, Disconnecting and Connecting.

- Release retaining tab - arrow - and remove cover.





- If necessary, remove the lead coating on the multi-pin connector.

- Open protective cap - 1 - of multi-pin harness connector, disengage retaining tab - 2 - and disconnect harness connector.





- Remove the M8 nuts - arrows - and remove battery isolation system.





Installing

Install in reverse order of removal, noting the following:

- Tighten the threaded connections to the specification --> [ Battery ] Battery.

- If necessary, replace seal on multi-pin harness connector.

CAUTION!
• When connecting battery, always perform work procedure as described in repair information --> [ Battery, with Auxiliary Battery or Two-Battery Layout, Disconnecting and Connecting ] Battery, with Auxiliary Battery or Two-Battery Layout, Disconnecting and Connecting. Not adhering to sequence will result in the deactivation of Main Battery Switch -E74- and subsequent damage to electrical system components.

• Observe notes for threaded connections of battery terminals --> [ Battery Post/Terminal ] Battery Post/Terminal.

- Reconnect battery --> [ Battery, One-Battery Layout, Disconnecting and Connecting ] Battery, One-Battery Layout, Disconnecting and Connecting.