Ignition Control Module: Service and Repair

Ignition Control Module Replacement

Removal Procedure




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
3. Loosen the bolt securing the ignition control module (ICM) wiring harness electrical connector.
4. Disconnect the ICM wiring harness electrical connector (2) from the ICM.




5. Disconnect the rear spark plug wires (1) from the ignition coils.
6. Disconnect the front spark plug wires (2) from the ignition coils.




7. Remove the ignition coil bolts.
8. Remove the ignition coils from the ICM.




9. Remove the ICM from the bracket.


Installation Procedure




1. Place the ICM onto the bracket.




2. Install the ignition coils to the ICM.

Notice: Refer to Fastener Notice (Fastener Notice).

3. Install the ignition coil bolts.

Tighten the bolts to 4.5 N.m (40 lb in).




4. Connect the rear spark plug wires (1) to the ignition coils.
5. Connect the front spark plug wires (2) to the ignition coils.




6. Install the ICM wiring harness electrical connector.
7. Tighten the bolt (2) securing the ICM wiring harness electrical connector.
8. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
10. Refer to Control Module References (Programming and Relearning) for programming and setup information.