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 the condition of brake operation.

The skid control ECU has an open detection circuit, which outputs this DTC when detecting an open in the stop light input line while the stop light switch is OFF.

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 7-8:

Step 9-10:

INSPECTION PROCEDURE

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