Clearing ECM Trouble Codes

(Diagnostic Mode 4.7)

Driver Information Center Buttons:

After all diagnosis and repairs are completed, clear the ECM codes as follows. (If already in CCM Diagnostic Mode, begin at Step 3.)

1. With ignition "OFF," ground pin "G" of ALDL connector.

2. Turn ignition "ON."

3. Press "TRIP RESET" button on DIC until "4.0" appears in the trip monitor area of the instrument cluster.

4. Press "TRIP/ODO" button on DIC until "4.7" appears in the trip monitor area of the instrument cluster.

5. Press "ENG/MET" button on DIC and hold until "---" appears in speedometer area of cluster; this will clear ECM codes.

6. Turn ignition "OFF."

7. Turn ignition "ON" and verify that no ECM codes are present.

8. Turn ignition "OFF," then remove ALDL ground to pin "G".