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C1253

DTC C1253/53 Hydro Booster Pump Motor Relay Malfunction

DESCRIPTION

DTC DETECTION CONDITION:





The ABS MTR 1 relay and ABS MTR 2 relay supply power to the hydraulic brake booster pump motor. While the ABS & BA & TRAC & VSC are activated, the ECU switches the motor relay ON and operates the hydraulic brake booster pump motor.

WIRING DIAGRAM:





HINT: When using the intelligent tester, start from *1. When not using the intelligent tester, start from *2.

INSPECTION PROCEDURE

Step 1:




Steps 1 (Continued)-3:




Steps 4-6: