Diagnostic Aids

On vehicles with Federal emissions, ensure MIL cancel switch is reset after 50,000, 80,000 and 100,000 maintenance service has been completed for MIL to go out.

Fig 1: Chart A-2 - Schematic Won't Flash Code 12 Or Any Codes, MIL On Steady

Fig 2: Chart A-2 - Flow Chart Won't Flash Code 12 Or Any Codes, MIL On Steady