Problem Symptoms Table |
Symptom |
Suspect Area |
No blower operation |
1. Blower fuse |
2. Blower relay |
|
3. Blower motor |
|
4. Blower resistor, Power mosfet or PWM blower module |
|
5. Blower speed control switch or knob |
|
6. Wire harness |
|
No air temperature control |
1. Engine coolant capacity |
2. Heater control assembly |
|
3. Temperature control actuator or cable |
|
No compressor operation |
1. Refrigerant capacity |
2. A/C Fuse |
|
3. Compressor |
|
4. A/C pressure transducer |
|
5. A/C switch |
|
6. Evaporator temperature sensor |
|
7. Wire harness |
|
8. High CAN |
|
No cool comes out |
1. Refrigerant capacity |
2. Refrigerant pressure |
|
3. Drive belt |
|
4. Compressor |
|
5. A/C pressure transducer |
|
6. Evaporator temperature sensor |
|
7. A/C switch |
|
8. Heater control assembly |
|
9. Wire harness |
|
10. High CAN |
|
11. Temperature control actuator or cable |
|
Insufficient cooling |
1. Refrigerant capacity |
2. Drive belt |
|
3. Compressor |
|
4. Condenser |
|
5. Expansion valve |
|
6. Evaporator |
|
7. Refrigerant lines |
|
8. A/C pressure transducer |
|
9. Heater control assembly |
|
10. High CAN |
|
No engine idle-up when A/C switch ON |
1. Engine ECM |
2. Wire harness |
|
No air inlet control |
1. Heater control assembly |
2. Intake actuator |
|
No mode control |
1. Heater control assembly |
2. Mode control actuator or cable |
|
No cooling fan operation |
1. Cooling fan fuse |
2. Fan motor |
|
3. Blower resistor, Power mosfet or PWM blower module |
|
4. Engine ECM |
|
5. Wire harness |
Removal
1.
Disconnect the battery negative cable from the battery and then
wait for at least 30 seconds.
2.
Turn the steering wheel so that the fr ...
Inspection
Sprockets, Hydraulic Tensioner, Chain
Guide, Tensioner Arm
1.
Check the CVVT sprocket, crankshaft sprocket teeth for abnormal
wear, cracks or damage. Repla ...
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the PCSV connector.
3.
Measure resistance between the PCSV termi ...