Reading and Clearing Diagnostic Trouble Codes

DTC INSPECTION

1. Switch the ignition to ON, then press and hold the A/C switch for 5 s or more within 10 s.

2. Turn the fan switch to the OFF position.

3. Verify that all the indicator lights of the climate control unit illuminate.






4. Press the recirculate switch or switch the ignition to off to finish.

Malfunction detection function

1. Expose the solar radiation sensor to natural sunlight.
NOTE:
- If incandescent light is not shone on the solar radiation sensor, the climate control unit determines that there is a malfunction.

2. Switch the ignition to ON, then press and hold the A/C switch for 5 s or more within 10 s.

3. Turn the fan switch to the AUTO position.

4. Turn and adjust the mode dial to the inspection item.

- If the system is normal, the A/C switch indicator light illuminates.





5. Press the recirculate switch or switch the ignition to off to finish.

Door position check function

1. Switch the ignition to ON, then press and hold the A/C switch for 5 s or more within 10 s.

2. Turn the fan switch to the LO position.

3. Verify that the indicator light of the climate control unit illuminates.





4. Press the recirculate switch or switch the ignition to off to finish.

Operation check function

1. Switch the ignition to ON, then press and hold the A/C switch for 5 s or more within 10 s.

2. Turn the fan switch to a position other than OFF, AUTO, or LO positions.

3. Verify the operation of each output related part by switching the mode dial positions while referring to the operation check table.

- If there is any malfunction, inspect the malfunctioning system.





4. Press the recirculate switch or switch the ignition to off to finish.