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 |
Heater & A/C Control Unit (FATC) Self Diagnosis
1.
Self-diagnosis process
2.
How to read self-diagnostic code
During the self-diagnosis, the corresponding fault code flickers
...
Anchor Pretensioner (APT) Installation
1.
Remove ignition key from the vehicle.
2.
Disconnect the negative (-) cable from battery and wait for at
least thirty seconds.
...
Removal
1.
Remove the under cover.
2.
Remove the mounting nut and disconnect the horn connector, then
remove the horn (A).
...