Toyota Celica 2005 Repair Manual page 2438

AC−14
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
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.
No blower operation
No blower control
No air temperature
No compressor operation
No cool air comes out
Insufficient cooling
No engine idle−up when A/C switch ON
No air inlet control
2005 CELICA (RM1131U)
AIR CONDITIONING
Symptom
− TROUBLESHOOTING
Suspect Area
1. HTR Fuse
2. Heater main relay
3. Blower motor
4. Blower resistor
5. Blower speed control switch
6. Wire harness
1. Blower motor
2. Blower resistor
3. Blower speed control switch
4. Wire harness
1. Engine coolant volume
2. Heater control assembly
1. Refrigerant volume
2. A.C Fuse
3. Magnetic clutch
4. Compressor lock sensor
5. Compressor
6. Pressure switch
7. Heater main relay
8. Blower speed control switch
9. Heater control assembly
10. Thermistor
11. Wire harness
1. Refrigerant volume
2. Refrigerant pressure
3. Drive belt
4. Magnetic clutch
5. Compressor lock sensor
6. Pressure switch
7. Thermistor
8. Heater control assembly
9. Wire harness
1. Refrigerant volume
2. Drive belt
3. Magnetic clutch
4. Compressor
5. Condenser
6. Expansion Valve
7. Evaporator
8. Refrigerant lines
9 Pressure switch
10. A/C amplifier
11. Heater control assembly
1. Heater control assembly
2. Engine (and ECT) ECU
3. Idle control system
4. Wire harness
1. Heater control assembly
2. Wire harness
2437
AC1FO−12
See page
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AC−54
AC−48
AC−49
AC−68
−
AC−48
AC−49
AC−68
−
−
AC−65
AC−3
−
AC−35
AC−35
AC−35
AC−51
AC−54
AC−68
AC−65
AC−50
−
AC−3
AC−3
AC−16
AC−35
AC−35
AC−51
AC−50
AC−65
−
AC−3
AC−16
AC−35
AC−35
AC−43
AC−24
AC−28
AC−21
AC−51
AC−68
AC−65
AC−65
−
−
−
AC−65
−