FixVault

Symptom Troubleshooting: Notes

  1. Troubleshoot the immobilizer system by the order of the priority shown:
    TROUBLESHOOTING CHART

    Order of Priority Symptom Possible cause
    1 Immobilizer indicator blinks after the ignition switch OFF. Symptom troubleshooting (see IMMOBILIZER INDICATOR BLINKS  ).
    2 Engine does not start with the immobilizer key. Symptom troubleshooting (see ENGINE DOES NOT START WITH THE IMMOBILIZER KEY  ).
    3 Immobilizer indicator does not come on. Check the MIL indication.
    • If the MIL comes on, go to the PGM-FI System MIL circuit troubleshooting (see MIL CIRCUIT TROUBLESHOOTING ).
    • If the MIL does not come on, replace the gauge control module (tach).
    4 Immobilizer indicator does not go off. Symptom troubleshooting (see IMMOBILIZER INDICATOR DOES NOT GO OFF  ).