61 20 900 Disconnecting and Connecting Battery Negative Lead
Observe safety instructions for handling vehicle battery. See 61 00 ... SAFETY INSTRUCTIONS FOR HANDLING VEHICLE BATTERY
Follow instructions for disconnecting and connecting battery . See 12 00 ... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY
Observe notes on power supply /on intelligent battery sensor (IBS).
Necessary preliminary tasks:
- Remove luggage compartment floor trim panel with fitted mat. See 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL
Version with intelligent battery sensor (IBS):
Loosen nut (1).
Tightening torque 61 21 1AZ . See 61 21 BATTERY WITH TERMINAL
Do not under any circumstances use force to pull off pole shoe.
Do not under any circumstances release socket-head cap screw of IBS (2).
Detach battery negative lead (3) with IBS (2) in upward direction, lay to one side and secure.
Version without intelligent battery sensor (IBS):
Disconnect battery negative lead (1). See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD
Tightening torque 61 21 1AZ . See 61 21 BATTERY WITH TERMINAL