If warm air blows from the registers regardless of the temperature setting of the air conditioning system, the following factors may be the cause.
| Symptom | Factor |
|---|---|
| No cool air comes out
(Blower control is normal) |
·
Compressor assembly with pulley malfunction ·
Refrigerant pressure is extremely high or low ·
Refrigerant volume (low) ·
Clogged cooler condenser assembly fins ·
Cooling fan system malfunction ·
Mechanical locking of damper and damper link ·
No. 1 cooler thermistor malfunction ·
High inlet air temperature |
Operate the A/C switch on the air conditioning control assembly and check that the switch indicators operate normally.
A/C switch indicators operate normally.
| Proceed to |
|---|
| OK |
| NG |
OK
NG