ANTI-LOCK BRAKE SYSTEM, Diagnostic DTC:C1428

DTC Code DTC Name
C1428 Motor Circuit Malfunction

DESCRIPTION

DTC No. DTC Detection Condition Trouble Area
C1428 With the motor relay off, an open circuit condition in the motor relay monitor continues for 2 seconds or more continuously. Brake actuator assembly

WIRING DIAGRAM

Refer to DTCs C1361, C146C and C146D Click here.

INSPECTION PROCEDURE

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (GND1, GND2 TERMINAL)


    1. Turn the ignition switch off.

    2. A01CIB3E11
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Skid Control ECU (Brake Actuator Assembly))

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      B9-1 (GND1) - Body ground Always Below 1 Ω
      B9-13 (GND2) - Body ground Always Below 1 Ω

    3. Reconnect the skid control ECU (brake actuator assembly) connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (GND1, GND2 CIRCUIT)

    OK

    REPLACE BRAKE ACTUATOR ASSEMBLY Click here