Air Conditioning System

Part 1 Of 2:

Part 2 Of 2:

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

HINT:
- *1 If the room temp. is approx. -20°C (4°F) or lower, DTC B1411/11 may be output 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 B1421/21 (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 B1421/21 is still displayed, there could be trouble in the solar sensor circuit.
- *4 Compressor lock (DTC B1422/22) is indicated only for a current malfunction.

To confirm DTC B1422/22, 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.
- *5 The A/C control assembly memorizes the DTC of the respective malfunction when it occurs for period of time indicated in the brackets.