Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141
Theft Deterrent System -- Problem Symptoms Table |
- 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 | COROLLA_ZRE142 RM000001PR505JX.html |
| Theft Warning ECU power source circuit | COROLLA_ZRE142 RM0000010J605KX.html | |
| Unlock warning switch circuit | COROLLA_ZRE142 RM00000157502PX.html | |
| Door courtesy switch circuit | COROLLA_ZRE142 RM0000011T3080X.html | |
| Front door lock assembly | COROLLA_ZRE142 RM000002XWS00KX.html | |
| Rear door lock assembly | COROLLA_ZRE142 RM000001P8303WX.html | |
| Luggage compartment door lock assembly | COROLLA_ZRE142 RM000002KTM01JX.html | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Security indicator does not blink when theft deterrent system is set | Security indicator light circuit | COROLLA_ZRE142 RM000001PR505JX.html |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Alarm sounding state to cannot be canceled when ignition switch is turned to ON | Ignition switch circuit | COROLLA_ZRE142 RM0000028IX026X.html |
| Unlock warning switch circuit | COROLLA_ZRE142 RM00000157502PX.html | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Theft deterrent system can be set even when a door is open | Door courtesy switch circuit | COROLLA_ZRE142 RM0000011T3080X.html |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Vehicle horn (low pitched) does not sound while theft deterrent system is in warning operation | Horn circuit | COROLLA_ZRE142 RM000001PR4087X.html |
| Headlights do not blink while theft deterrent system is in warning operation | Headlight relay circuit | COROLLA_ZRE142 RM000000ZBM07IX.html |
| Wire harness or connector (Main body ECU (instrument panel junction block) - headlight relay) | - | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Taillights do not blink while theft deterrent system is in warning operation | Taillight relay circuit | COROLLA_ZRE142 RM000001MEH09HX.html |
| Wire harness or connector (Main body ECU (instrument panel junction block) - taillight relay) | - | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Hazard warning lights do not flash while theft deterrent system is in warning operation | Wire harness or connector | - |
| Turn signal flasher assembly | COROLLA_ZRE142 RM000002WM400QX.html | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Interior light does not light up while theft deterrent system is in warning operation | Interior light circuit | COROLLA_ZRE142 RM000001T9V064X.html |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Headlights blink even when theft deterrent system is not set | Headlight relay circuit | COROLLA_ZRE142 RM000000ZBM07IX.html |
| Wire harness or connector (Main body ECU (instrument panel junction block) - headlight relay) | - | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Taillights blink even when theft deterrent system is not set | Taillight relay circuit | COROLLA_ZRE142 RM000001MEH09HX.html |
| Wire harness or connector (Main body ECU (instrument panel junction block) - taillight relay) | - | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Hazard warning lights flash even when theft deterrent system is not set | Wire harness or connector | - |
| Turn signal flasher assembly | COROLLA_ZRE142 RM000002WM400QX.html | |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Interior light comes on even when theft deterrent system is not set | Interior light circuit | COROLLA_ZRE142 RM000001T9V064X.html |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - | |
| Glass breakage sensor does not operate | Glass breakage sensor circuit | COROLLA_ZRE142 RM00000215L01RX.html |
| Theft warning ECU assembly | COROLLA_ZRE142 RM00000342K00IX.html | |
| If the symptom(s) still occur after the above areas are inspected and proved to be normal, replace the main body ECU (instrument panel junction block) | - |