Section 47 (Manual A/C-Heater Systems): Troubleshooting
WARNING: This page is about a different car, the 2002 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.
AIR CONDITIONING
| Symptom/Suspected Area | Refer To | |||
|---|---|---|---|---|
| No Blower Operation | ||||
| HTR Fuse | (1) | |||
| Heater Main Relay | HEATER MAIN RELAY | |||
| Blower Motor | BLOWER MOTOR | |||
| Blower Resistor | BLOWER RESISTOR | |||
| Blower Speed Control Switch | INSPECTION | |||
| Wire Harness | (1) | |||
| No Blower Control | ||||
| Blower Motor | BLOWER MOTOR | |||
| Blower Resistor | BLOWER RESISTOR | |||
| Blower Speed Control Switch | INSPECTION | |||
| Wire Harness | (1) | |||
| No Air Temperature | ||||
| Engine Coolant Volume | (1) | |||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| No Compresor Operation | ||||
| Refrigerant Volume | ON-VEHICLE INSPECTION | |||
| AC Fuse | (1) | |||
| Magnetic Clutch | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Compressor Lock Sensor | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Compressor | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Pressure Switch | PRESSURE SWITCH | |||
| Heater Main Relay | HEATER MAIN RELAY | |||
| Blower Speed Control Switch | INSPECTION | |||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| Thermistor | THERMISTOR | |||
| Wire Harness | (1) | |||
| No Cool Air Comes Out | ||||
| Refrigerant Volume | ON-VEHICLE INSPECTION | |||
| Refrigerant Pressure | ON-VEHICLE INSPECTION | |||
| Drive Belt | DRIVE BELT | |||
| Magnetic Clutch | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Compressor Lock Sensor | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Pressure Switch | PRESSURE SWITCH | |||
| Thermistor | THERMISTOR | |||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| Wire Harness | (1) | |||
| Insufficient Cooling | ||||
| Refrigerant Volume | ON-VEHICLE INSPECTION | |||
| Drive Belt | DRIVE BELT | |||
| Magnetic Clutch | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Compressor | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Condenser | CONDENSER | |||
| Expansion Valve | ON-VEHICLE INSPECTION | |||
| Evaporator | ON-VEHICLE INSPECTION | |||
| Refrigerant Lies | REFRIGERANT LINE | |||
| Pressure Switch | PRESSURE SWITCH | |||
| Air Conditioning Control System | ON-VEHICLE INSPECTION | |||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| NoEngine Idle-Up With A/C | ||||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| Engine ECU | (1) | |||
| Idle Control System | (1) | |||
| Wire Harness | (1) | |||
| No Air Inlet Control | ||||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| Air Inlet Servomotor | INSPECTION | |||
| Wire Harness | (1) | |||
| No Mode Control | ||||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| Wire Harness | (1) | |||
| Blinking Of A/C Indicator | ||||
| Compressor | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Drive Belt | DRIVE BELT | |||
| Compressor Lock Sensor | COMPRESSOR AND MAGNETIC CLUTCH | |||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
| Brightness Does Not Change When Light Control Switch Is Turned On | ||||
| Headlight & Tailight System | HEADLIGHT & TAILLIGHT SYSTEM - INSPECTION | |||
| Heater Control Assembly | HEATER CONTROL ASSEMBLY | |||
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