Dtc C1787 Forward/Rearward/Sideways G Sensor Communication Error

Suspension. Land Cruiser. Urj200, 202 Grj200 Vdj200
Suspension Control. Land Cruiser. Urj200, 202 Grj200 Vdj200

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 Code
Detection Condition
Trouble Area
C1787
While the engine switch is on (IG), the yaw rate sensor malfunction signal is detected for 1 second or more.
  1. Vehicle stability control system
  2. Suspension control ECU

INSPECTION PROCEDURE

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

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

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output
    		B



B
GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) (Click here)
A


2.CLEAR DTC

  1. Clear the DTCs (Click here).


NEXT


3.CHECK DTC

  1. Check for DTCs.

    Result
    Result
    		Proceed to
    DTC C1787 is output
    		A
    DTC C1787 is not output
    		B



B
USE SIMULATION METHOD TO CHECK (Click here)
A

REPLACE SUSPENSION CONTROL ECU (Click here)