Air Conditioning System

DIAGNOSTIC TROUBLE CODE CHART

Detection Item (Part 1):

Detection Item (Part 2):

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

HINT:
- *1 If the room temperature. is approx. -20 °C ( -4 °F) or lower, DTC 11 may be light up even though the system is normal.
- *2 If the ambient temperature is approx. -50 °C (-58 °F) or lower, a DTC may be output even though the system is normal.
- *3 If the check is being performed in a dark place, DTC 11 (solar sensor circuit abnormal) could be displayed. In this case, perform DTC check again while shining a light, such as an inspection light, on the solar sensor. If DTC 11 is still displayed, there could be trouble in the solar sensor circuit.
- *4 Compressor lock (DTC 22) is indicated only for a current malfunction. To confirm DTC 22, preform 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.