Dtc C1787 Forward/Rearward/Sideways G Sensor Communication Error

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - SUSPENSION CONTROL

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

CLEAR DTC

CHECK DTC

DTC C1787 Forward/Rearward/Sideways G Sensor Communication Error

DESCRIPTION

The suspension control ECU receives signals from the yaw rate sensor via CAN communication.

DTC CodeDetection ConditionTrouble Area
C1787While the engine switch is on (IG), the yaw rate sensor malfunction signal is detected for 1 second or more.
Vehicle stability control system
Suspension control ECU

INSPECTION PROCEDURE

  • NOTICE:
Before performing troubleshooting, inspect the connectors of related circuits.
If the suspension control ECU or height control sensor is replaced, the vehicle height offset calibration must be performed ().
1.CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

Check if a yaw rate sensor malfunction DTC is output under the vehicle stability control system ().

Result
ResultProceed to
DTC is not outputA
DTC is outputB
B
GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) ()
A
2.CLEAR DTC

Clear the DTCs ().

NEXT
3.CHECK DTC

Check for DTCs.

Result
ResultProceed to
DTC C1787 is outputA
DTC C1787 is not outputB
B
USE SIMULATION METHOD TO CHECK ()
A
REPLACE SUSPENSION CONTROL ECU ()