Problem Symptoms Table
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use PROBLEM SYMPTOMS TABLE to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected area in the order they are listed. Replace parts as necessary.
PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | Reference |
|---|---|---|
| Theft deterrent system is not set | Security indicator light circuit | SECURITY INDICATOR LIGHT CIRCUIT |
| Unlock warning switch circuit | UNLOCK WARNING SWITCH CIRCUIT | |
| Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| Door unlock detection switch circuit | DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
| Engine hood courtesy switch circuit | ENGINE HOOD COURTESY SWITCH CIRCUIT | |
| Power source circuit | POWER SOURCE CIRCUIT | |
| Theft warning ECU assembly | ELECTRONIC CIRCUIT INSPECTION PROCEDURE | |
| Security indicator light does not light up or blink | Security indicator light circuit | SECURITY INDICATOR LIGHT CIRCUIT |
| Theft warning ECU assembly | ELECTRONIC CIRCUIT INSPECTION PROCEDURE | |
| Theft deterrent system cannot be unset even if ignition switch is ON | Unlock warning switch circuit | UNLOCK WARNING SWITCH CIRCUIT |
| Power source circuit | POWER SOURCE CIRCUIT | |
| Theft warning ECU assembly | ELECTRONIC CIRCUIT INSPECTION PROCEDURE | |
| During warning condition, horn does not operate | Security horn circuit | SECURITY HORN CIRCUIT |
| Theft warning ECU assembly | ELECTRONIC CIRCUIT INSPECTION PROCEDURE |