GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Aveo 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Aisin (81-40LE) 🢒 Engine Control Module Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1348512 Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the engine control module (ECM) connectors.

    3. Object Number: 1348516 Size: SH
  3. Remove the ECM retaining bolts.
  4. Remove the ECM from the ECM mount.

Installation Procedure

    Object Number: 1348517 Size: SH
  1. Position the ECM in place.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the ECM to the ECM mount and install the retaining bolts.

    3. Tighten
    Tighten the ECM retaining bolts to 5 N·m (44 lb in).

  3. Connect the negative battery cable.
  4. Perform a crankshaft position system variation learning procedure. Refer to Crankshaft Position System Variation Learn .