61 20 503 Vehicle battery - closed-circuit current monitoring

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Necessary preliminary tasks:

To access the battery earth lead, perform the necessary preliminary work described in DISCONNECTING BATTERY EARTH LEAD .

Do not disconnect the battery earth lead !

NOTE: If several 12 V batteries are installed in the vehicle:
Closed-circuit current check is possible on the vehicle battery only .

Connect diagnosis system.

Connect the clip-on probe to the battery earth lead of the vehicle battery. The arrow on the clip-on probe must point towards the vehicle battery.

Measure closed-circuit current.