STEP 3. Check whether the DTC is set again.
Recheck if the DTC is set.(1) Erase the DTC.
(2) Ignition switch: "LOCK" (OFF) to "ON"
(3) Check if the DTC is set.
Is the DTC set?
Replace the A/C controller assembly (A/C-ECU). The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).