Vehicle Stability Control System (for BOSCH Made)

DTC C1249/49 Open in Stop Light Switch Circuit

DESCRIPTION

DTC Detection Condition:

This circuit recognizes brake operation by sending a stop light signal to the skid control ECU.

The skid control ECU has an open detection circuit, which outputs this DTC when detecting an open in the stop light signal input line (STP terminal) or the ground line of the stop light circuit with the stop light switch off (brake pedal not depressed).

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 7:

INSPECTION PROCEDURE

HINT: Check the condition of each related circuit connector before troubleshooting.