Dtc C1420 Acceleration Sensor Malfunction

Brake. Land Cruiser. Urj200, 202 Grj200 Vdj200
Brake Control Dynamic Control Systems. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC (CAN COMMUNICATION SYSTEM)

CHECK YAW RATE SENSOR ASSEMBLY INSTALLATION

DTC C1420 Acceleration Sensor Malfunction


DESCRIPTION

Refer to DTCs C1419 and C1435 (Click here).

DTC Code
DTC Detection Condition
Trouble Area
C1420
After the difference between GL1 and GL2 becomes 0.6 G or more with the vehicle stationary, the difference remains 0.4 G or more for 60 seconds or more.
  1. Sensor installation
  2. Acceleration sensor (Yaw rate sensor assembly)

WIRING DIAGRAM

Refer to DTCs C1232, C1243 and C1245 (Click here).

INSPECTION PROCEDURE

NOTICE:
After replacing the yaw rate sensor assembly, perform calibration (Click here).
1.CHECK DTC (CAN COMMUNICATION SYSTEM)

  1. Check for DTCs (Click here).

    Result
    Result
    		Proceed to
    CAN DTC is not output
    		A
    CAN DTC is output (for LHD)
    		B
    CAN DTC is output (for RHD)
    		C



B
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) (Click here)
A


2.CHECK YAW RATE SENSOR ASSEMBLY INSTALLATION

  1. Check that the yaw rate sensor assembly is installed properly (Click here).

    OK:
    The sensor is tightened to the specified torque.
    The sensor is not installed at an angle.


NG
INSTALL YAW RATE SENSOR ASSEMBLY CORRECTLY (Click here)
OK

REPLACE YAW RATE SENSOR ASSEMBLY (Click here)