Prizm L4-1600cc 1.6L DOHC VIN 6 (1990)
Engine Control Module: Service and Repair
Service of the ECM consists of complete replacement of the ECM. There are no serviceable parts, such as a PROM or Mem-Cal to replace inside this
ECM. If the ECM is determined to be faulty, it is then to be replaced as a complete assembly.
IMPORTANT:
When replacing the production ECM with a service ECM, it is important to transfer the broadcast code and production ECM number to the service ECM
label. Please DO NOT record on the ECM cover. This will allow positive identification of the ECM parts throughout the service life of the vehicle.
REMOVAL:
1.
Negative battery cable.
2.
Center console cover.
3.
Four fasteners from ECM brackets.
4.
ECM connectors (3).
5.
ECM from passenger compartment.
INSTALLATION:
1.
Connectors (3) to new ECM.
2.
ECM into underdash location.
3.
Four fasteners to ECM brackets.
4.
Tighten securely.
5.
Negative battery cable.
