Operation CHARM: Car repair manuals for everyone.

Main Relay (Computer/Fuel System): Service and Repair

- Switch off ignition.




- Unscrew bolts.




- Remove relay (1) for DME 1.
- Remove relay (2) for DME 2.

NOTE: The relays with a lead cross section greater than 2.5 mm square are the DME master relays. If in doubt, extract relays one after another and establish whether desired function has been interrupted.

- Relay (3) is starter motor inhibit relay
- Replace cover on electronics box.
- Interrogate fault memory of control unit for Digital Motor Electronics (DME), check error messages in memory, rectify faults and clear fault memory.

Tightening Torque: 4.4 Nm.