Vehicle Interior. Corolla. Zre142 Aze141
Heating Air Conditioning. Corolla. Zre142 Aze141
Air Conditioning System (For Manual 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
| All functions of the A/C system do not operate. | IG power source circuit | COROLLA_ZRE142 RM000000TS6097X.html |
| Back-up power source circuit | COROLLA_ZRE142 RM000000TS707WX.html | |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| Air Flow Control: No blower operation | Blower motor circuit | COROLLA_ZRE142 RM000002YEX026X.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| Air Flow Control: No blower control | Blower motor circuit | COROLLA_ZRE142 RM000002YEX026X.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| Air Flow Control: Insufficient air flow | Blower motor circuit | COROLLA_ZRE142 RM000002YEX026X.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| Temperature Control: No cool air comes out. | Refrigerant volume | - |
| Refrigerant pressure | COROLLA_ZRE142 RM00000114704VX.html | |
| Pressure sensor circuit | COROLLA_ZRE142 RM000000STP0AUX.html | |
| Air flow circuit (for 2ZR-FE) | COROLLA_ZRE142 RM000003W8R01RX.html | |
| Compressor solenoid circuit | COROLLA_ZRE142 RM000000VAV07LX.html | |
| Evaporator temperature sensor circuit | COROLLA_ZRE142 RM000000STL09BX.html | |
| Ambient temperature sensor circuit | COROLLA_ZRE142 RM000000STK07TX.html | |
| Heater control switch circuit | COROLLA_ZRE142 RM000002Y1M032X.html | |
| Air mix damper control cable | COROLLA_ZRE142 RM000001HLX05GX.html | |
| Expansion valve | COROLLA_ZRE142 RM000001HLX05GX.html | |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| Temperature Control: No warm air comes out. | Evaporator temperature sensor circuit | COROLLA_ZRE142 RM000000STL09BX.html |
| Ambient temperature sensor circuit | COROLLA_ZRE142 RM000000STK07TX.html | |
| Generator signal circuit*1 | COROLLA_ZRE142 RM000002Y8101SX.html | |
| Headlight signal circuit*1 | COROLLA_ZRE142 RM000002Y1L01YX.html | |
| PTC heater circuit*1 | COROLLA_ZRE142 RM000002BRP01LX.html | |
| Engine coolant temperature sensor circuit (for 2AZ-FE) | COROLLA_ZRE142 RM000000PF50QLX.html | |
| Engine coolant temperature sensor circuit (for 2ZR-FE) | COROLLA_ZRE142 RM000000PF50QKX.html | |
| CAN communication system | COROLLA_ZRE142 RM000000WI60ACX.html | |
| Air mix damper control cable | COROLLA_ZRE142 RM000001HLX05GX.html | |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| ECM (for 2AZ-FE) | COROLLA_ZRE142 RM000002WT506MX.html | |
| ECM (for 2ZR-FE) | COROLLA_ZRE142 RM000001CN0030X.html | |
| Temperature Control: Output air is warmer or cooler than the set temperature or response is slow. | Refrigerant volume | - |
| Refrigerant pressure | COROLLA_ZRE142 RM00000114704VX.html | |
| Ambient temperature sensor circuit | COROLLA_ZRE142 RM000000STK07TX.html | |
| Generator signal circuit*1 | COROLLA_ZRE142 RM000002Y8101SX.html | |
| Headlight signal circuit*1 | COROLLA_ZRE142 RM000002Y1L01YX.html | |
| PTC heater circuit*1 | COROLLA_ZRE142 RM000002BRP01LX.html | |
| Engine coolant temperature sensor circuit (for 2AZ-FE) | COROLLA_ZRE142 RM000000PF50QLX.html | |
| Engine coolant temperature sensor circuit (for 2ZR-FE) | COROLLA_ZRE142 RM000000PF50QKX.html | |
| CAN communication system | COROLLA_ZRE142 RM000000WI60ACX.html | |
| Air mix damper control cable | COROLLA_ZRE142 RM000001HLX05GX.html | |
| Radiator unit sub-assembly | COROLLA_ZRE142 RM000001HLX05GX.html | |
| Expansion valve | COROLLA_ZRE142 RM000001HLX05GX.html | |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| ECM (for 2AZ-FE) | COROLLA_ZRE142 RM000002WT506MX.html | |
| ECM (for 2ZR-FE) | COROLLA_ZRE142 RM000001CN0030X.html | |
| Temperature Control: No temperature control (only Max. cool or Max. hot) | Ambient temperature sensor circuit | COROLLA_ZRE142 RM000000STK07TX.html |
| Evaporator temperature sensor circuit | COROLLA_ZRE142 RM000000STL09BX.html | |
| Heater control switch circuit | COROLLA_ZRE142 RM000002Y1M032X.html | |
| Generator signal circuit*1 | COROLLA_ZRE142 RM000002Y8101SX.html | |
| Headlight signal circuit*1 | COROLLA_ZRE142 RM000002Y1L01YX.html | |
| PTC heater circuit*1 | COROLLA_ZRE142 RM000002BRP01LX.html | |
| Engine coolant temperature sensor circuit (for 2AZ-FE) | COROLLA_ZRE142 RM000000PF50QLX.html | |
| Engine coolant temperature sensor circuit (for 2ZR-FE) | COROLLA_ZRE142 RM000000PF50QKX.html | |
| CAN communication system | COROLLA_ZRE142 RM000000WI60ACX.html | |
| Air mix damper control cable | COROLLA_ZRE142 RM000001HLX05GX.html | |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| ECM (for 2AZ-FE) | COROLLA_ZRE142 RM000002WT506MX.html | |
| ECM (for 2ZR-FE) | COROLLA_ZRE142 RM000001CN0030X.html | |
| No air inlet control | Recirculation damper servo motor circuit | COROLLA_ZRE142 RM000002Y1K02DX.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| No air flow mode control | No. 2 heater control cable | COROLLA_ZRE142 RM000001HLX05GX.html |
| Engine idle up does not occur, or is continuous. | Compressor solenoid circuit | COROLLA_ZRE142 RM000000VAV07LX.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| ECM (for 2AZ-FE) | COROLLA_ZRE142 RM000002WT506MX.html | |
| ECM (for 2ZR-FE) | COROLLA_ZRE142 RM000001CN0030X.html | |
| CAN communication system | COROLLA_ZRE142 RM000000WI60ACX.html | |
| A/C indicator blinks. | Compressor solenoid circuit | COROLLA_ZRE142 RM000000VAV07LX.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html | |
| Diagnostic trouble codes are not recorded. Set mode is cleared when ignition switch is turned off. | Back-up power source circuit | COROLLA_ZRE142 RM000000TS707WX.html |
| A/C amplifier | COROLLA_ZRE142 RM000002XMC01VX.html |