Stop Light Switch Circuit Malfunction

DTC P0571 Stop Light Switch Circuit Malfunction

DESCRIPTION

DTC Detection Condition:

The ECM receives the brake demand signal from the distance control ECU and transmits it to the skid control ECU (brake actuator assembly).

The skid control ECU (brake actuator assembly) receives a signal from the ECM and operates the brake actuator.

The skid control ECU (brake actuator assembly) operates the brake actuator and illuminates the stop light by operating the BRK relay at the same time.

Wiring Diagram:

INSPECTION PROCEDURE

Step 1-2:

Step 3: