LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2021 >> 840i xDrive 2D Convertible >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> General Electrical System -- Repair (G14, G15, & G16) >> 61 20 Battery General Information >> 61 20 503 Vehicle battery - closed current monitoring

61 20 503 Vehicle battery - closed current monitoring

Preliminary work needed:

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

Do not disconnect the battery ground lead! 

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

Connect diagnostic system.

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

Measure closed-circuit current.