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Home >> GMC Truck >> 2001 >> S15/T15 Sonoma P/U 2WD L4-2.2L VIN 5 Flex Fuel >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Ignition System >> Ignition Control Module >> Service and Repair

Ignition Control Module: Service and Repair

IGNITION CONTROL MODULE REPLACEMENT

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.




1. Disconnect the negative battery cable.

CAUTION: Refer to Vehicle Lifting Caution in Service Precautions.

2. Raise the vehicle.
3. Remove the spark plug wires and ICM electrical connectors.
4. Remove the 3 bolts supporting the ICM assembly plate (2).
5. Remove the ICM assembly from the engine.
6. Remove the ignition coils from the module (1).
7. Remove the module from the assembly plate.

INSTALLATION PROCEDURE




1. Install the module to the assembly plate.
2. Install the ignition coils.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the ignition coils.

Tighten
Tighten the ignition coil bolts to 4 N.m (35 lb in).

4. Install ICM assembly on engine with mounting bolts (2).

Tighten
Tighten bolts to 25 N.m (18 lb ft).

5. Install the spark plug wires and ICM electrical connectors.
6. Lower the vehicle.
7. Connect the negative battery cable.
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