Pre-Check

PRE-CHECK

1. WARNING FOR A/C COMPRESSOR LOCK




If compressor lock occurs during A/C operation, the A/C switch indicator on the A/C control assembly starts blinking.

When this occurs, check for compressor lock (22) using diagnosis trouble code check then proceed to inspect the circuit or the component.

Compressor lock sensor circuit.

2. LIST OF OPERATION METHODS




By operating each of the A/C control switches as shown in the diagram, it is possible to enter the diagnosis check mode.

3. INDICATOR CHECK







a. Turn the ignition switch ON while pressing the A/C control AUTO switch and R/F switch simultaneously.




b. Check that the indicators come on and go off 4 times in succession at a interval of a second.

HINT:
- After the indicator check is completed, the system enters the DTC begins automatically.
- Press the OFF switch when desiring to cancel the check mode.