Dtc C1420 Acceleration Sensor Malfunction

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS

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 ().

DTC CodeDTC Detection ConditionTrouble 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.
Sensor installation
Acceleration sensor (Yaw rate sensor assembly)

WIRING DIAGRAM

Refer to DTCs C1232, C1243 and C1245 ().


INSPECTION PROCEDURE

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

Check for DTCs ().

Result
ResultProceed to
CAN DTC is not outputA
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) ()
C
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) ()
A
2.CHECK YAW RATE SENSOR ASSEMBLY INSTALLATION

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

  • OK:
  • The sensor is tightened to the specified torque.
  • The sensor is not installed at an angle.
NG
INSTALL YAW RATE SENSOR ASSEMBLY CORRECTLY ()
OK
REPLACE YAW RATE SENSOR ASSEMBLY ()