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.
  1. Turn the ignition switch OFF and then ON (II).
  1. Do the self-diagnostic with the HDS or climate control unit.
  1. Check for DTCs.
Is DTC C and AUTO indicated?
YES -
Go to troubleshooting DTC C and AUTO.
NO -
Go to Step 5 .
  1. Check for DTCs.
Is DTC B2983 or M indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure.■
  1. Turn the ignition switch OFF.
  1. Remove the recirculation control motor.
  1. Check the recirculation control linkage and door for smooth movement.
Is the linkage and door OK?
YES -
Replace the recirculation control motor. ■
NO -
Repair the recirculation control linkage and door.■