Dtc C1442 Invalid Data Received From Acceleration Sensor

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

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC

DTC C1442 Invalid Data Received from Acceleration Sensor

DTC C1443 Invalid Data Received from Yaw Rate Sensor

DESCRIPTION

The skid control ECU (master cylinder solenoid) receives signals from the yaw rate sensor assembly via the CAN communication system.


The yaw rate sensor assembly has a built-in acceleration sensor.

DTC CodeDTC Detection ConditionTrouble Area
C1442An invalid data signal is transmitted continuously from the acceleration sensor for 10 seconds or more.Yaw rate sensor assembly
C1443An invalid data signal is transmitted continuously from the yaw rate sensor for 10 seconds or more.Yaw rate sensor assembly

INSPECTION PROCEDURE

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

Clear the DTCs ().

Turn the ignition switch off.

Start the engine and idle it for 60 seconds, and then stop the engine.

Check if the same DTC is output ().

Result
ResultProceed to
DTC is outputA
DTC is not outputB
B
CHECK FOR INTERMITTENT PROBLEMS ()
A
REPLACE YAW RATE SENSOR ASSEMBLY ()