12 14 600 Removing/replacing knock sensors (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.
Necessary preliminary tasks:
- Read out the fault memory of the DME control unit.
- Switch off ignition.
- Remove HIGH PRESSURE PUMP .
Recycling:
Fuel escapes when fuel lines are detached.
Catch and dispose of escaping fuel.
Observe country-specific waste disposal regulations.
Unlock connector (1) and remove.
Release screws on both knock sensors (1) and remove knock sensors (1).
Tightening torque 13 62 3AZ .
Installation note:
Clean contact surface of knock sensors on engine block.
NOTE:
Reassemble the vehicle.
Check stored fault messages.
Clear diagnostic fault entries from fault memory.