T - Warning Indicator Lamps

NOTE: use this routine when the Malfunction Indicator Lamp (MIL) or "Check Engine" Lamp, or the Overdrive Off Lamp (ODL) is ON or flashing while driving.

^ Perform Diagnostic Quick Test.

^ Are diagnostic trouble codes obtained or are any other conditions noticed?

YES -- Service as necessary.

NO -- Check for other concerns, return to Diagnostic Routines Index. Diagnostic Routines Index