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Home >> Land Rover >> 1992 >> Range Rover (LH) V8-3.9L >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair
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Engine Control Module: Service and Repair

NOTE: The engine control module (ECM) is not serviceable, in event of unit failure it must be replaced.

REMOVE
1. Remove front and side seat base trim of front right hand seat.
2. Adjust seat to its rearward position, to allow access to ECM.
3. Disconnect the battery negative lead.

ECM Location:





4. Release ECM plug retaining clip.
5. Manoeuvre front of plug in the direction of arrow. Detach other end of plug from retaining peg.
6. Release two screws securing ECM.
7. Withdraw ECM from spring clip.

REFIT
1. Refit ECM securely in spring clip. Fit and tighten securing two screws.
2. Reconnect ECM harness plug. Ensure plug is pushed firmly into location and retaining clip secures plug in position.
3. Reverse remaining removal procedure.