Clearing Diagnostic Trouble Codes

AFTER REPAIR PROCEDURE

1. Erase the malfunction codes from memory by disconnecting the negative battery cable and depressing the brake pedal for at least five seconds. Reconnect the battery cable.

Test Connector:

2. Ensure that the engine is at normal operating temperature, then ground the test connector.
3. Turn the ignition switch to the ON position.
4. If the check engine light illuminates, goes off, and stays off no codes are present.
5. If the check engine light illuminates, goes off, and then starts flashing, codes are present.
6. Start the engine and check for additional codes.
7. If any codes are retrieved, repair the cause of the problem, then perform after repair procedures again.