Manufacturer Codes

DTC Table

CAUTION: Be sure to perform Air Conditioning System Check:Automatic Type before starting diagnosis.

NOTE:
^ History DTC is such DTC which HVAC control module saves in its memory when it detects current DTC for 60 seconds or more continuously.
^ DTC B1504, B1541, B1546 and B1571 are displayed as a current DTC only when a current malfunction is detected.
^ When HVAC control module detects DTC B1513 and B1514, both current and history DTCs are displayed at the same time.




DTC of A/C System detected by ECM





NOTE: When no DTC is detected, "FRE"[A] and "REC"[B] indicator lights on HVAC control module flash at the same time in specific pattern.