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 22) using diagnosis trouble code check, and 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 to on while pressing the A/C control AUTO SW and R/F SW simultaneously.




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

HINT:
- After the indicator check ends, the diagnostic trouble code check begins automatically.
- Press the OFF SW (when desiring) to cancel the check mode.

DTC CHECK (SENSOR CHECK)







a. Perform an indicator check. After the indicator check is completed, the system enters the DTC check mode automatically.

b. Read the DTC displayed on the panel. Refer to the list of DTCs when reading the DTCs.
If the slower display is desired, press the DEF SW and change it to step operation. Every time the DEF SW is pressed, the display changes by 1 step.

CLEARING DTC




a. Pull out the ACC fuse in cowl side J/B LH for 10 sec. or longer to clear diagnostic the DTC's memory.
b. After reinserting the fuse, check that the normal code is output.