Engine Control Module: Service and Repair
How to Remove the ECM for TestingNOTE:
- Make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset buttons before you disconnect the negative cable from the battery.
- Enter the anti-theft code, then the customer's radio station presets, and set the clock after you reconnect the negative cable to the battery.
1. Disconnect the negative cable from the battery.
2. Pull the passenger's side carpet back to expose the ECM (A).
3. Unbolt the ECM cover (B).
4. Lift the lower edge of the ECM cover off of the lower studs. Make sure the ECM is not touching the studs.
5. Lift the upper edge of the ECM cover enough to clear the upper studs, then pull the cover down away from the evaporator drain tube.
6. Unbolt the ECM from the cover.
7. Disconnect the ECM connectors.
8. Install the ECM in reverse order of removal.
9. Do the ECM idle learn procedure