Actuator Check

Indicator Check




a. Turn the ignition switch on while pressing the air conditioning control AUTO switch and R/F switch simultaneously.




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

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

NOTE: This is the only information provided by the manufacturer for reading trouble codes for this system.

Step 1 - 10:

a. After entering the DTC check mode (Sensor Check Mode) Reading Diagnostic Trouble Codespress the R/F switch.

b. Since each damper, motor and relay automatically operates at 1 second intervals beginning in order from 10 in the temperature display, check the temperature and air flow visually and by hand.

If a slower display is desired, press the UPDr switch and change it to a stepped operation. Each time the UPDr 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.