Without Scan Tool

ACCESSING DIAGNOSTIC TROUBLE CODES:
Connect a suitable scan tool to the data link connector and follow scan tool manufacturers instructions.

CLEARING DIAGNOSTIC TROUBLE CODES:
1. After the codes have been read, using a small screwdriver, turn diagnostic mode selector switch which is located on the side of the electronic control unit, fully clockwise.
2. Wait two seconds, then rotate switch to the full counterclockwise position. The diagnosis will end and the memory will then be cleared.