DTC Troubleshooting: B1240 (L)
DTC B1240 or DTC indicator L:
 A Problem in the Mode Control Linkage, Doors, or Motor
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch OFF and then ON (II).
  1. Check for DTCs.
Is DTC D and AUTO?
YES -
NO -
Go to Step 5 .
  1. Check for DTCs.
Is DTC B1240 or L indicated?
YES -
Go to Step 6 .
NO -
Intermittent failure.■
  1. Turn the ignition switch OFF.
  1. Check the mode control motor linkage and doors for smooth movement.
Is the linkage and doors OK?
YES -
NO -
Repair the mode control linkage and doors.■