C1249

DTC C1249 BLS malfunction

Description of functions

The skid control computer (brake actuator ASSY) inputs the stop light switch signal to input the brake operation conditions.
When the skid control computer (brake actuator ASSY) judges one of the followings, this diagnostic code will be stored in memory.
^ Stop light switch ON/OFF, stuck
^ Accelerator pedal and brake pedal, depressed simultaneously (*)

NOTE:
*: If the accelerator pedal and the brake pedal are depressed simultaneously, the skid control computer (brake actuator ASSY) judges that the stop light switch is stuck to ON and the diagnostic code may be stored in memory. However, this is not a malfunction.





Circuit figure





Inspection steps

CAUTION:
^ When the skid control computer (brake actuator ASSY) has been replaced, make sure to perform VSC centering. Programming and Relearning
^ Check the fuses in this circuit before troubleshooting.