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C1252

DTC C1252/52 Brake Booster Pump Motor on Time Abnormally Long

DESCRIPTION

DTC Detecting Condition:




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

Wiring Diagram:





INSPECTION PROCEDURE

HINT: When C1253/53, C1254/54 or C1256/56 is output together with C1252/52, inspect and repair the trouble areas indicated by C1253/53, C1254/54 or C1256/56 first.

Step 1:




Step 1(Continued)-4:




Step 4(Continued)-5: