Actuator Check

PRE-CHECK




1. WANING FOR A/C COMPRESSOR LOCK
If the compressor lock occurs during A/C operation, the A/C switch indicator on the A/C control panel starts blinking. When this occurs, check for compressor lock (DTC 22) using diagnosis trouble code. And then proceed to inspect the circuit or the component.
Compressor lock sensor circuit -> (See DTC 22)




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" switch and "R/F" switch simultaneously.




b. Check that the indicators come on and go off 4 times at 1 second intervals in succession.

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



ACTUATOR CHECK







a. After entering the DTC check mode (Sensor Check Mode), press the R/F switch.
b. Since each damper, motor and relay automatically operates at 1 sec. intervals beginning in order from 10 in the temperature display, check the temperature and air flow visually and by hand.
If slower display is desired, press the DEF switch and change it to the step operation. Each time the DEF switch is pressed, the display changes by 1 step.

HINT:
- Code are displayed in order from the smaller to the larger numbers.
- To cancel the check mode, press the OFF switch.