Vehicle Interior. Yaris. Ncp93, 131
Theft Deterrent Keyless Entry. Yaris. Ncp93, 131
Theft Deterrent System (For Hatchback) -- Problem Symptoms Table |
- HINT:
- Troubleshooting of the theft deterrent system is based on the premise that the power door lock control system and the wireless door lock control system are operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that the power door lock control system and the wireless door lock control system are operating normally.
- 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.
| Symptom | Suspected Area | See page |
| Theft deterrent system cannot be set | Security indicator light circuit | YARIS_NCP93 RM000001GV4066X.html |
| Door courtesy switch circuit | YARIS_NCP93 RM000003304010X.html | |
| Front door lock assembly | YARIS_NCP93 RM000001DPO01VX.html | |
| Rear door lock assembly*1 | YARIS_NCP93 RM000001P8302XX.html | |
| Back door lock assembly | YARIS_NCP93 RM000001Y80035X.html | |
| Engine hood courtesy switch circuit | YARIS_NCP93 RM000001PR205UX.html | |
| Theft warning indicator light assembly does not blink when theft deterrent system is set | Security indicator light circuit | YARIS_NCP93 RM000001GV4066X.html |
| Alarm sounding state cannot be canceled when ignition switch is turned to ON | Ignition switch circuit | YARIS_NCP93 RM0000028IX01QX.html |
| Unlock warning switch circuit | YARIS_NCP93 RM00000157502AX.html | |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Theft deterrent system can be set even when door is open | Door courtesy switch circuit | YARIS_NCP93 RM000003304010X.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Theft deterrent system can be set even when engine hood is open | Engine hood courtesy switch circuit | YARIS_NCP93 RM000001PR205UX.html |
| Vehicle horns do not sound while theft deterrent system is in warning operation | Horn circuit | YARIS_NCP93 RM000001PR406UX.html |
| Headlights do not blink while theft deterrent system is in warning operation | Headlight relay circuit | YARIS_NCP93 RM000000ZBM05TX.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Taillights do not blink while theft deterrent system is in warning operation | Taillight relay circuit | YARIS_NCP93 RM000001MEH06FX.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Hazard warning lights do not flash while theft deterrent system is in warning operation | Combination meter assembly | YARIS_NCP93 RM0000035EJ00BX.html |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Interior light does not light up while theft deterrent system is in warning operation | Interior light circuit | YARIS_NCP93 RM000001D9D02LX.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Security horn does not sound while theft deterrent system is in warning operation | Security horn circuit | YARIS_NCP93 RM000003BI4011X.html |
| Headlights blink even when theft deterrent system is not set | Headlight relay circuit | YARIS_NCP93 RM000000ZBM05TX.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Taillights blink even when theft deterrent system is not set | Taillight relay circuit | YARIS_NCP93 RM000001MEH06FX.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Hazard warning lights flash even when theft deterrent system is not set | Combination meter assembly | YARIS_NCP93 RM0000035EJ00BX.html |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html | |
| Interior light comes on even when theft deterrent system is not set | Interior light circuit | YARIS_NCP93 RM000001D9D02LX.html |
| If the symptom(s) still occur after the above area is inspected and proved to be normal, replace the main body ECU | YARIS_NCP93 RM000003TOE00CX.html |
- *1: for 5 Door