Electronically Controlled Brake System
DTC C1249/49 Open in Stop Light Switch CircuitDESCRIPTION
The skid control ECU inputs the stop light switch signal and detects braking condition. The skid control ECU has a circuit for open detection inside. The skid control ECU outputs the DTC if it detects an open in the stop light signal input line when the stop light switch is off or an open in the stop light circuit (skid control ECU side).
DTC Detection Condition:
Wiring Diagram:
NOTICE: When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration. Programming and Relearning
INSPECTION PROCEDURE
Steps 1-2:
Steps 3-4:
Steps 5-7:
