Air Conditioning System

AIR CONDITIONING: AIR CONDITIONING SYSTEM: DIAGNOSTIC TROUBLE CODE CHART

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "Refer to" below.

B1411/11 - B1424/24:

B1431/31 - B1499/99:

HINT
* *1: If the room temperature is approximately -18.6°C (-1.48°F) or lower, DTC B1411/11 may be output even though the system is normal.
* *2: If the ambient temperature is approximately -52.9°C (-63.2°F) or lower, DTC B1412/12 may be output even though the system is normal.
* *3: If the check is being performed in a dark place, DTC B1421/21 or B1424/24 (solar sensor circuit abnormal) may be output.
* *4: The A/C amplifier memorizes the DTC (of the respective malfunction that has occurred) for the period of time indicated in the brackets.
* *5: Compressor lock (DTC B1422/22) is indicated only for a current malfunction.
* To confirm DTC B1422/22, perform the following steps.
* With the ignition switch ON, enter the DTC check mode.
* Press the R/F switch to enter the actuator check mode, and set the operation to Step No. 3.
* Press the AUTO switch to return to the DTC check mode.
* The DTC is displayed after approximately 3 seconds.
* *6: Short in circuit
* *7: Open in circuit