C1251
DTC C1251 PUMP MOTOR IS LOCKED/OPEN CIRCUIT IN PUMP MOTOR GROUNDCIRCUIT 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.