Protege L4-1839cc 1.8L DOHC (1990)
Engine Control Module: Service and Repair
Trim Removal
1.
Disconnect negative battery cable
2.
Remove side walls, drivers and passenger's side.
ECU Removal
3.
Remove the bolts and nuts.
4.
Disconnect the ECU connectors.
5.
Install a new ECU in the reverse order of removal.