GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Matiz 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Engine Control Module Replacement

Removal Procedure

    Object Number: 1225011 Size: SH
  1. Disconnect the engine control module (ECM) connector.

    2. Object Number: 1225003 Size: SH
  2. Remove the ECM bolts.
  3. Remove the ECM.

Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1225062 Size: SH

    Important: If disconnecting the battery cable to the ECM, the IAC valve reset procedure should be performed.

  1. Install the ECM with the bolts.

    2. Tighten
    Tighten the ECM mounting bolts to 6-8 N·m (53-71 lb in).

  2. Connect the ECM connector.