Disconnecting and Connecting Battery

NOTE: Observe warning information and safety regulations, Technician Safety Information

NOTE: Perform work precisely in sequence specified to avoid danger of short circuit.

Disconnecting
Quiescent current retention unit
connect if possible.

Ground lead on battery
disconnect and remove pole terminal.

Shield on positive terminal
swing open.

Positive lead
disconnect from battery and remove battery terminal.

Connecting
Positive battery terminal
connect to battery.

Shield on positive terminal
swing shut.

Ground pole terminal on battery
connect.

If connected
disconnect quiescent current retention unit.

NOTE: If quiescent current retention unit was connected, skip last step!

After connecting the battery perform the following work:
Set clock in instrument cluster.
Code radio.
Where applicable code automatic pilot system (APS) and load language.
Synchronize power windows.
Set timer for stationary heater, where applicable.
On vehicles with ADS reactivate steering angle senso.


Commercially available tester
Quiescent current retention unit e.g. Hans Zeheter CMP 12.2