Without Scan Tool
Erasing Diagnostic Trouble CodesThe diagnostic trouble codes can be erased by the following procedure.
NOTE: The diagnostic trouble codes will not be erased even if the negative battery terminal is disconnected.
1. Turn the ignition switch to the "ON"position while holding the auto-cruise control switch in the "SET" (down) position. Then, within one second, more the auto-cruise control switch up to the "RES" position.
2. Check to make sure the "CRUISE" light on the instrument panel is flashing.
3. Put the auto-cruise control switch in the "SET" (down) position.
Depress the brake pedal and hold for five seconds or more. Release the brake pedal, auto-cruise control switch, then turn the ignition switch to the "LOCK" (OFF) position. The DTC(s) are now erased.