12 51 100 Replacing wiring harness section for ignition and injectors (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 :
- Observe SAFETY INFORMATION for handling hybrid cars.
IMPORTANT:
Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DISCHARGE (ESD PROTECTION)
.
Necessary preliminary tasks:
- 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 rear ignition coil cover.
Release oxygen sensor connector (1) from bracket.
Release screw (2).
Put cable clip aside.
Unlock rear plug (1) from the control unit and disconnect.
Release rear wiring harness from intake plenum.
Release bolt (1) at rear of cable channel.
Tightening torque: 12 90 1AZ .
Release nuts (1) and remove earth cable.
Tightening torque: 12 90 5AZ .
Unlock all connectors from ignition coils and injectors and detach.
Unclip, feed out and remove wiring harness (2).
NOTE:
Check stored fault messages.
Delete fault memory.
Delete fault memory.