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 (DTC B1422) using diagnosis trouble code check, then proceed to inspect the circuit or the component.

Refer to 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 as pressing the A/C control AUTO switch and R/F.




b. Check that all the indicators light up and go off at 1 second intervals 4 times in succession.

HINT:
- After the indicator check is ended, the diagnostic trouble code check begins automatically.
- Press the OFF switch when desiring to cancel the check mode.