| Condition | Possible Cause | Action |
|---|---|---|
|
Cool air does not come out (A/C system doesn’t operate)
|
No refrigerant
|
Perform recover, evacuation and charging.
|
|
Fuse blown
|
Check fuse in main and circuit fuse boxes, and check short circuit to ground.
|
|
|
A/C switch faulty
|
Check A/C switch.
|
|
|
Heater blower fan switch faulty
|
Check heater blower fan switch referring to
Heater Blower Fan Switch Inspection
.
|
|
|
A/C evaporator temperature sensor faulty
|
Check A/C evaporator temperature sensor.
|
|
|
Refrigerant pressure sensor faulty
|
Check refrigerant pressure sensor.
|
|
|
Wiring or grounding faulty
|
Repair as necessary.
|
|
|
ECT sensor faulty
|
Check ECT sensor referring to
Engine Coolant Temperature (ECT) Sensor Inspection:K9K
.
|
|
|
ECM and its circuit faulty
|
Check ECM and its circuit.
|