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Chart A-1 - ("C", "G", "K", "L", "M", "S" & "T" W/Gas Engine)

  1. If engine starts, go to step 3). If engine does not start, check for blown fuses in PCM ignition and PCM battery feed circuits. Check and repair circuits if blown fuses are present.
  2. If fuses are okay, turn ignition off. Disconnect PCM connector and turn ignition on. Check for battery and ignition voltage at appropriate PCM connector terminals. If voltage is not present, repair open circuit. If voltage is present, check for faulty PCM grounds, faulty connections at PCM or faulty PCM.
  3. If engine started in step 1), turn ignition off. Disconnect PCM connector and turn ignition on. Using a test light, ground circuit at MIL control terminal of PCM connector (Brown/White wire). If MIL lamp does not go on, check MIL bulb, check related circuits and repair as necessary. If MIL lamp goes on, check for faulty PCM grounds, faulty connections at PCM or faulty PCM.
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