Problem Symptoms Table
HINT.
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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 areas in the order they are listed Replace parts as necessary
- Inspect the fuses and relays related to this system before inspecting the suspected areas below
Theft Deterrent System
SYMPTOM CHART
| Symptom | Suspected Area | See |
|---|---|---|
| Theft deterrent system cannot be set | Security indicator light circuit | SECURITY INDICATOR LIGHT CIRCUIT |
| ECU power source circuit | ECU POWER SOURCE CIRCUIT | |
| Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| Engine hood courtesy switch circuit | ENGINE HOOD COURTESY SWITCH CIRCUIT | |
| Front door lock | INSPECTION | |
| Rear door lock | INSPECTION | |
| Luggage compartment door lock | INSPECTION | |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Security indicator does not blink when theft deterrent system is set | Security indicator light circuit | SECURITY INDICATOR LIGHT CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Theft deterrent system can be set even when a door is open | Door courtesy switch circuit | DOOR COURTESY SWITCH CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Theft deterrent system can be set even when the engine hood is open | Engine hood courtesy switch circuit | ENGINE HOOD COURTESY SWITCH CIRCUIT |
| Engine hood courtesy switch | - | |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Theft deterrent system can be set even when the luggage compartment door is open | Luggage compartment door courtesy switch | - |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Vehicle horns (low pitched, high pitched) do not sound while theft deterrent system is in warning operation | Horn system (Horn does not sound) | PROBLEM SYMPTOMS TABLE |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Headlights do not blink while theft deterrent system is in warning operation | Headlight relay circuit | HEADLIGHT RELAY CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Taillights do not blink while theft deterrent system is in warning operation | Taillight circuit | TAILLIGHT CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Hazard warning lights do not blink while theft deterrent system is in warning operation | Wire harness | - |
| Turn signal flasher | INSPECTION | |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Interior light does not light up while theft deterrent system is in warning operation | Interior light circuit | INTERIOR LIGHT CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Security horn does not sound while theft deterrent system is in warning operation | Security horn circuit | SECURITY HORN CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Headlights blink even when theft deterrent system is not set | Headlight relay circuit | HEADLIGHT RELAY CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Taillights blink even when theft deterrent system is not set | Taillight circuit | TAILLIGHT CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Hazard warning lights blink even when theft deterrent system is not set | Wire harness | - |
| Turn signal flasher | INSPECTION | |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - | |
| Interior light comes on even when theft deterrent system is not set | Interior light circuit | INTERIOR LIGHT CIRCUIT |
| If the symptom (s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU RH (Cowl side junction block RH) | - |