Vehicle Exterior. Corolla. Zre142 Aze141
Window Glass. Corolla. Zre142 Aze141
Window Defogger System (For Automatic Air Conditioning System) -- 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.
| Symptom | Suspected Area | See page |
| Rear window defogger does not operate | IG power source circuit (air conditioning amplifier) | COROLLA_ZRE142 RM000000TS6096X.html |
| Back-up power source circuit (air conditioning amplifier) | COROLLA_ZRE142 RM000000TS707VX.html | |
| Heater control panel power source circuit | COROLLA_ZRE142 RM000001O7Q039X.html | |
| ECU-IG No. 2 and DEF fuses | COROLLA_ZRE142 RM0000020LP0A9X.html | |
| DEF and IG1 relays | COROLLA_ZRE142 RM0000020LP0A9X.html | |
| Wire harness | COROLLA_ZRE142 RM0000020LP0A9X.html | |
| Rear window defogger wire | COROLLA_ZRE142 RM0000020LP0A9X.html | |
| Air conditioning control assembly | COROLLA_ZRE142 RM0000020LP0A9X.html | |
| Air conditioning amplifier assembly | COROLLA_ZRE142 RM000000U8V067X.html | |
| Main body ECU (instrument panel junction block) | - |