Ignition Control Module: Service and Repair

REMOVAL PROCEDURE

Tools Required
J 36011 Spark Plug Removal Tool.

1. Disconnect the negative battery cable.
2. Disconnect the electronic Ignition Control Module (ICM) 11 pin harness electrical connector.
3. Remove the ignition coil and electronic ignition control module assembly to camshaft housing bolts.

NOTICE: Spark plug boots often adhere to the spark plugs. Use tool J 36011 in order to remove by first twisting and then pulling upward on retainers. Reinstall the boots and the retainers on the ignition coil housing secondary terminals. The boots and the retainers must be in place on the ignition coil housing secondary terminals prior to the ignition coil and the electronic ignition control module assembly installation or ignition control system damage may result.

4. Remove the ignition coil and electronic ignition control module assembly from the engine.






5. Remove the housing to cover screws (7).

IMPORTANT: When removing the housing (6) from the cover (1) make sure the ground strap stays in place.

6. Remove the housing (6) from the cover (1).
7. Remove the coil harness electrical connector (4) from the module (2).
8. Remove the module to cover screws (3).
9. Remove the module (2) from the cover (1).

INSTALLATION PROCEDURE

IMPORTANT: DO NOT wipe grease from the module or coil if the same module is to be replaced. If a new module is to be installed, a package of silicone grease will be included with it. Spread the grease on the metal face of the module and on the cover where the module seats. This grease is necessary for module cooling.

1. Install the module (2) to the cover (1).
2. Install the module to cover screws (3). Tighten the screws to 4 Nm (35 lb in).
3. Connect the coil harness electrical connector (4) to the module.

IMPORTANT: When installing the housing (6) to the cover (1) make sure the ground strap stays in place.

4. Install the housing (6) to the cover (1).
5. Install the housing to cover screws (7). Tighten the screws to 4 Nm (35 lb in).
6. Connect the spark plug boots (8) and the retainers (9) to the housing (6).
7. Install the ignition coil and ignition control module assembly to the engine while carefully aligning the boots to the spark plug terminals.

IMPORTANT: The ICM cover bolts must be installed with isolator washers with the rubber side facing down.

8. Install the ignition coil and the ignition control module assembly to cam housing bolts after coating the threads with P/N 1052080 or equivalent. Tighten the bolts to 22 Nm (16 lb ft).
9. Connect the electronic Ignition Control Module (ICM) 11 pin harness electrical connector.
10. Connect the negative battery cable.