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Home >> Toyota >> 2002 >> Land Cruiser >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Ignition Switch & Key Unlock Warning Switch >> Troubleshooting >> Problem Symptoms >> Ignition Switch And Key Unlock Warning Switch:
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Ignition Switch And Key Unlock Warning Switch:

This system uses the body control system, so check the body control system before you proceed with troubleshooting. See BODY CONTROL SYSTEM .

Problem Symptoms

Symptom/Suspect Area See
Ignition Switch Is Not Set To Each Position
Ignition Switch Step  1Under Inspection
Power Source Circuit .....
Ignition Key Illumination Does Not Light Up
Bulb .....
Instrument Panel ECU OTHERS
Wire Harness .....
Key Unlock Warning System Inoperative (Buzzer Does Not Sound When Driver's Door Is Open With Ignition OFF And Key Inserted)
Key Unlock Warning Switch Step  3 Under Inspection
Door Courtesy Switch Step 8 under INSPECTION
Wire Harness .....
Key Unlock Warning System Inoperative (Buzzer Sounds When Ignition Key Is In ACC or ON)
Ignition Switch Step  1 Under Inspection
Wire Harness .....