61 20 503 Vehicle battery - closed-circuit current monitoring
WARNING: This page is about a different variant/trim than selected.
Necessary preliminary tasks:
To access the ground cable of the battery, perform the necessary preliminary work described in DISCONNECTING BATTERY EARTH LEAD .
Do not disconnect negative lead of battery.
Connect diagnosis system.
Connect clip-on probe to negative lead of battery. The arrow on the current clamp must point towards the battery.
Measure closed-circuit current.