12 42 605 Replacing positive battery cable between starter motor, E machine electronics and positive battery connection point (N55 Hybrid)
WARNING:
High-voltage system - danger to life!
The following points must be strictly observed prior to starting work:
The following points must be strictly observed prior to starting work:
- De-energize the HIGH-VOLTAGE SYSTEM .
- Observe SAFETY INFORMATION for handling hybrid cars.
Necessary preliminary work:
- Read out the fault memory of the DME control unit.
- Switch off ignition.
- Disconnect BATTERY EARTH LEAD .
- Disconnect BATTERY EARTH LEAD of auxiliary battery and cover.
- Remove INTAKE PLENUM .
- Remove rear UNDERBODY PROTECTION .
Fold back cover (1).
Release nut underneath. Remove positive battery cable lead (2) from positive battery connection point.
Tightening torque: 12 42 3AZ
Release positive battery cable (1) from cable channel.
Disengage cable channel cover (2) to the left and lift out.
Expose positive battery cable.
Release positive battery cable (1) from cable channel.
Fold back cover (1).
Release nut underneath.
Tightening torque 12 36 5AZ.
Release positive battery cable (2) from clamps.
Release nut (1) on starter motor.
Tightening torque 12 42 2AZ.
Remove positive battery cable from starter motor and pull out.
NOTE:
Reassemble the vehicle.
Check stored fault messages.
Clear diagnostic fault entries from fault memory.