Without Scan Tool

Indicator Check





A. Turn the ignition switch ON while pressing the A/C control AUTO switch and REC switch simultaneously.





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 DTC check begins automatically.
- Press the OFF switch 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 sensor check mode automatically.
B. Read the code displayed on the panel. Refer to the list of codes when reading the codes. Diagnostic Trouble Code Descriptions(Codes are output at the temperature display).
Diagnostic Trouble Code Descriptions






If the slower display is desired, press the FRS switch and change it to stepped operation. Each time the FRS switch is pressed, the display changes by 1 step.