DTC P0571/76 Brake Switch "A" Circuit

DTC P0571 BRAKE SWITCH "A" CIRCUIT

CIRCUIT DESCRIPTION

DTC Detection Condition:

The ECM receives the brake demand signal from the distance control ECU and transmits these to the skid control ECU (Brake actuator assy).

The skid control ECU (Brake actuator assy) receives a signal from ECM and operate the brake actuator.

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

Wiring Diagram:

Step 1 - 3:

INSPECTION PROCEDURE