Air Conditioning System

DIAGNOSTIC TROUBLE CODE CHART

B1411/11-B1499/99:

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

HINT:
- *1: If the room temperature is approx. -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 approx. -52.9 °C (-63.22 °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 (solar sensor circuit abnormal) could be displayed.
- *4: The A/C amplifier assembly memorizes the DTC of the respective malfunction it has occurred for the period of the time indicated in the brackets.
- *5: Compressor lock (DTC B1422/22) is indicated only for a current malfunction.
To confirm DTC B1422/22, performed the following steps.
a. With the engine ON, enter the DTC check mode.
b. Press the R/F switch to enter actuator check mode, and set the operation to next Step.
c. Press the AUTO switch to return to DTC check mode.
d. The DTC is displayed after approximately 3 seconds.

- *6: Short in circuit.
- *7: Open in circuit.