GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Sunfire 🢒 Engine 🢒 Engine Electrical 🢒 Ignition Control Module Replacement

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the spark plug wires and ICM electrical connectors.
  3. Remove the 3 bolts supporting the ICM assembly plate (2).
  4. Remove the ICM assembly from the engine.
  5. Remove the ignition coils from the module (1).

    6. Object Number: 204335 Size: SH
  6. Remove the module from the assembly plate.

Installation Procedure

    Object Number: 204335 Size: SH
  1. Install the module to the assembly plate.
  2. Install the ignition coils.
  3. Install the ICM assembly onto the engine block.

    4. Tighten
    Tighten the ICM assembly bolts (2) to 25 N·m (18 lb in.)

  4. Install the spark plug wires and ICM electrical connectors.
  5. Connect the negative battery cable.