C1253

DTC C1253/53 Hydro Booster Pump Motor Relay Malfunction

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:

Step 1(Continued)-2:

Step 3-4:

Step 4(Continued):

INSPECTION PROCEDURE

NOTE: When replacing the hydraulic brake booster (master cylinder solenoid), perform zero point calibration. Calibration