Electronically Controlled Brake System

DTC C1249/49 Open in Stop Light Switch Circuit

DESCRIPTION

DTC Detection Condition:

The skid control ECU inputs the stop light switch signal and detects braking condition. The skid control ECU has a circuit for open detection.

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).

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-7:

Step 7(Continued)-8:

INSPECTION PROCEDURE

NOTE: When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration. Initialization