AIR CONDITIONING SYSTEM (for 1KR-FE) PROBLEM SYMPTOMS TABLE
Tech Tips
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Use the table below to help determine the causes of the problem symptom. If multiple suspected areas are listed, the potential cases 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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Blower Not Operating | HTR fuse | |
| Heater main relay | ||
| Blower with fan motor | ||
| Blower resistor | ||
| Blower speed control switch | ||
| Wire harness or connector | - | |
| No Air Temperature Control | Engine coolant volume | |
| A/C control assembly | ||
| Compressor Not Operating | Refrigerant volume | |
| Magnetic clutch | ||
| Compressor | ||
| Pressure switch | ||
| A/C switch | ||
| Air conditioner assembly | ||
| Wire harness or connector | - | |
| No Cool Air Comes Out | Refrigerant volume | |
| Refrigerant pressure | ||
| Drive belt | ||
| Magnetic clutch | ||
| Compressor | ||
| Pressure switch | ||
| Air conditioner assembly | ||
| A/C switch | ||
| A/C control assembly | ||
| Wire harness or connector | - | |
| Insufficient Cooling | Refrigerant volume | |
| Drive belt | ||
| Magnetic clutch | ||
| Compressor | ||
| Condenser | ||
| Expansion valve | ||
| Evaporator | ||
| Refrigerant line | ||
| Pressure switch | ||
| A/C control assembly | ||
| No Engine Idle-up When A/C Switch ON | ECM | |
| Wire harness or connector | - | |
| No Air Inlet Control | A/C control assembly | |
| No Mode Control | A/C control assembly | |
| No Radiator Fan Operation | ECU - IG fuse | |
| RDI fuse | ||
| Fan No. 1 relay | ||
| Fan motor | ||
| ECM | ||
| Wire harness or connector | - |