Dtc C1428 Motor Circuit Malfunction


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 (LandCruiser RM000001JD60GSX_02.html).

INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform zero point calibration (LandCruiser RM000000XHR0BKX.html).
1.CHECK HARNESS AND CONNECTOR (GND2 TERMINAL)
  1. Disconnect the A6 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
    A6-13 (GND2) - Body ground
    Always
    Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE BRAKE ACTUATOR ASSEMBLY (LandCruiser RM0000034UX02TX.html)