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C1251

DTC C1251 PUMP MOTOR IS LOCKED/OPEN CIRCUIT IN PUMP MOTOR GROUND

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.

Wiring Diagram:






Step 1 - 3:




INSPECTION PROCEDURE

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

HINT: Remove the hydraulic brake booster before the inspection.