Without Scan Tool

DTC CHECK (SENSOR CHECK)*

HINT: * : For AUTO A/C

a. Start the engine and warm it up.
b. Perform the indicator check.

INDICATOR CHECK*

HINT * : For AUTO A/C

a. Turn the ignition switch off.




b. Turn the ignition switch on (IG) while pressing the A/C control "AUTO" switch and "R/F" switch simultaneously. Hold both switches until the indicator check screen appears.




c. The indicator check is automatically performed when panel diagnosis is activated. Check that the indicators light up and go off at 1 second intervals 4 times in succession.

HINT:
- The sensor check automatically starts when the indicator check is completed.
- Press the "OFF" switch to cancel the check mode.
- If a navigation system is installed, the indicator will blink and the buzzer will sound.





c. Read the code displayed on the panel. (Trouble codes are output on the temperature display.)

NOTE:
- In the sensor check mode, which is automatically transferred from the indicator check mode, troubleshooting may be partially performed. Be sure to perform the actuator check, and then the sensor check again.
- If the check is performed in a dark place, DTC 21 or 24 may be displayed even though the system is normal.

HINT: Refer to the DTC chart (Diagnostic Trouble Code chart) for details of the codes. Diagnostic Trouble Code Descriptions
- When there are no problems, DTC 00 is output.
- As an example, the illustration shows that display code 21 is output.




d. If the steps are difficult to read because they change automatically, push the "MODE" switch to display the steps one at a time so that they can be read easily The items are displayed step by step each time the "MODE" switch is pushed.
- Push the "OFF" switch to finish panel diagnosis.
- Push the "R/F" switch to enter the actuator check mode.