Ignition Switch And Key Unlock Warning Switch:
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
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 | ..... | |