Symptom Troubleshooting: Notes

Troubleshoot the immobilizer system by the order of the priority shown:

SYMPTOM TROUBLESHOOTING CHART

Order of Priority	Symptom	Possible cause
1	Immobilizer indicator blinks.	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-Fl system MIL circuit troubleshooting (see MIL CIRCUIT TROUBLESHOOTING ). If the MIL does not come on, go to the gauge control module self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ).
4	Immobilizer indicator does not go off.	Symptom troubleshooting (see IMMOBILIZER INDICATOR DOES NOT GO OFF ).