DTC Troubleshooting: B2983 (M)

DTC B2983 or DTC indicator M:  A Problem in the Recirculation Control Linkage, Door, or Motor


1.Clear the DTC with the HDS.

2.Turn the ignition switch OFF, and then ON (II).

3.Do the self-diagnostic with the HDS or climate control unit.

4.Check for DTCs.

Is DTC C and AUTO indicated?


YES - Go to troubleshooting DTC C and AUTO.


NO - Go to 5.


5.Check for DTCs.

Is DTC B2983 or M indicated?


YES - Go to 6.


NO - Intermittent failure.n


6.Turn the ignition switch OFF.

7.Remove the recirculation control motor.

8.Check the recirculation control linkage and door for smooth movement.

Is the linkage and door OK?


YES - Replace the recirculation control motor.n


NO - Repair the recirculation control linkage and door.n