C1421

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C1421: Open or Short in Master Cylinder Pressure Sensor

DTC C1421 - Open or Short in Master Cylinder Pressure Sensor

DTC C1423 - Master Cylinder Pressure Sensor Zero Point Low Malfunction

DTC C1424 - Master Cylinder Pressure Sensor Output Malfunction

DESCRIPTION

The master cylinder pressure sensor is connected to the skid control ECU in the brake actuator assembly.









WIRING DIAGRAM









INSPECTION PROCEDURE
NOTE:
When replacing the brake actuator assembly, perform zero point calibration and store system information Programming and Relearning.

PROCEDURE

1. REPLACE BRAKE ACTUATOR ASSEMBLY
(a) Replace the brake actuator assembly (master cylinder pressure sensor) Removal.
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