C1257

DTC C1257 POWER SUPPLY DRIVE CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detection Condition:

The motor relay (semiconductor relay) is built in the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU.

Step 1 - 2:

INSPECTION PROCEDURE

NOTE: When replacing the master cylinder solenoid, perform zero point calibration.