Air Conditioning System

AIR CONDITIONING: AIR CONDITIONING SYSTEM: DIAGNOSTIC TROUBLE CODE CHART

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 "See page" below.

B1411/11-B1422/22:

B1423/23-B1442/42:

B1443/43-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.
1 With the ignition switch ON, enter the DTC check mode.
2 Press the R/F switch to enter the actuator check mode, and set the operation to Step No. 3.
3 Press the AUTO switch to return to the DTC check mode.
4 The DTC is displayed after approximately 3 seconds.
- *6: Short in circuit
- *7: Open in circuit