Discovery I (LJ) V8-3.9L (1994)
Electronic Brake Control Module: Service and Repair
REMOVE
1. Disconnect the battery negative lead.
2. Remove retaining bolt and lower alarm system ECU and relay mounting bracket into passenger footwell.
ABS ECU
3. Remove two screws and detach ECU complete with harness plug from mounting bracket.
4. Release ECU plug retaining clip.
5. Move plug in direction of arrow and release hooked end of plug from retaining post.
REFIT
1. Reconnect ECU harness plug ensuring that it is firmly located and retaining clip secures plug.
2. Reverse removal procedure.