TIBURON(GK) >2008 > G 2.7 DOHC > Heating,Ventilation, Air Conditioning > General Information>Troubleshooting  
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
STANDARD
Symptom
Suspect Area
Remedy
No blower operation
1.
HTR Fuse
2.
Blower relay
3.
Blower motor
4.
Blower resistor
5.
Blower speed control switch
6.
Wire harness
Replace
Replace
Replace
Replace
Replace
Replace
No air temperature control
1.
Engine coolant capacity
2.
Heater control assembly
Add coolant
Replace
No compressor operation
1.
Refrigerant capacity
2.
A/C Fuse
3.
Magnetic clutch
4.
Compressor
5.
Triple pressure switch
6.
A/C switch
7.
Thermistor
8.
Wire harness
Add refrigerant
Replace
Replace
Replace
Replace
Replace
Replace
Replace
No cool comes out
1.
Refrigerant capacity
2.
Refrigerant pressure
3.
Drive belt
4.
Magnetic clutch
5.
Compressor
6.
Triple pressure switch
7.
Thermistor
8.
A/C switch
9.
Heater control assembly
10.
Wire harness
Add refrigerant
Apply a vacuum and add refrigerant
Adjust
Replace
Replace
Replace
Replace
Replace
Replace
Replace
Insufficient cooling
1.
Refrigerant capacity
2.
Drive belt
3.
Magnetic clutch
4.
Compressor
5.
Condenser
6.
Expansion valve
7.
Evaporator
8.
Refrigerant lines
9.
Triple pressure switch
10.
Heater control assembly
Add refrigerant
Adjust
Replace
Replace
Replace
Replace
Replace
Replace
Replace
Replace
No engine idle-up when A/C switch ON
1.
Engine (and ECT) ECU
2.
Wire harness
-
Replace
No air inlet control
Heater control assembly, cable, door
Replace
No mode control
Heater control assembly, cable, door
Replace
No condenser fan operation
1.
ECU-IG Fuse
2.
Fan motor
3.
Engine (and ECT) ECU
4.
Wire harness
Replace
Replace
-
Replace