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31– 60 31 Diagnosis Procedure Use the circuit diagram as a guide to perform the following procedures: a. Remove the inner/outer circulation damper motor. DTC Code DTC Definition DTC Detection Condition Possible Cause B2172 AC Recirculation Ignition switch ON Inner/Outer circulation damper motor CAUTION When performing electrical equipment diagnosis and test, always refer to the circuit diagram for related circuit and component information. 1 Check wire harness and connector Repair or replace A/C wire harness and 2 Check inner/outer circulation damper motor Replace inner/outer circulation damper NG OK NO YES |