Air Conditioning System

Detection Item (Part 1 Of 2):

Detection Item (Part 2 Of 2):

If malfunction code is displayed during the DTC check (sensor check), check the circuit listed for that code in the table (Proceed to the appropriate DTC given for that circuit.)

HINT:
- *1: If the room temperature is approx. -18.6 °C (-3.7 °F) or lower, trouble code 11 may be output even though the system is normal.
- *2: If the ambient temperature is approx. -52.9 °C (-61.4 °F) or lower, a malfunction code may be output even though the system is normal.
- *3: If the check is being performed in a dark place, DTC B1421/21 (solar sensor circuit abnormal) could be displayed.
- *4: Compressor lock (DTC B1422/22) is indicated only for a current occurring malfunction. To confirm DTC B1422/22, perform the following steps.
1. With the engine ON, enter the DTC check mode.
2. Press the R/F switch to enter actuator check mode, and set the operation to step No.3.
3. Press the AUTO switch to return to DTC check mode.
4. The DTC is displayed after approx. 3 secs..

- *5: The A/C control assembly memorizes the DTC of the respective malfunction it has occurred for the period of the time indicated in the brackets.