Dtc C1428 Motor Circuit Malfunction

Brake. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Brake Control Dynamic Control Systems. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (GND2 TERMINAL)

DTC C1428 Motor Circuit Malfunction


DESCRIPTION


DTC Code
DTC Detection Condition
Trouble Area
C1428
With the motor relay off and the motor fail-safe relay on, an open in the motor circuit continues for 2 seconds or more.
Brake actuator assembly (Motor circuit)

WIRING DIAGRAM

Refer to DTCs C0273, C0274 and C1361 (HILUX_TGN26 RM000001JD60DFX_02.html).

INSPECTION PROCEDURE

NOTICE:
  1. After replacing the brake actuator assembly, perform calibration (HILUX_TGN26 RM000000XHR073X.html).
  2. Before disconnecting the connector, make sure that there are no problems with the connection.
  3. After disconnecting the connector, make sure that the connector case and terminals are not deformed or corroded.
1.CHECK HARNESS AND CONNECTOR (GND2 TERMINAL)
  1. Turn the ignition switch off.

  1. Disconnect the skid control ECU (brake actuator assembly) connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    A36-13 (GND2) - Body ground
    Always
    Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE BRAKE ACTUATOR ASSEMBLY (HILUX_TGN26 RM0000010K001MX.html)