C1787

DTC Code	DTC Name
C1787	Forward/Rearward/Sideways G Sensor Communication Error

DESCRIPTION

The absorber control ECU receives a signal from the yaw rate sensor (acceleration sensor) via CAN communication.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate
C1787	Forward/Rearward/Sideways G Sensor Communication Error	While the engine switch is on (IG), a yaw rate sensor (acceleration sensor) malfunction signal is detected for 1 second or more.	CAN communication system Absorber control ECU Yaw rate sensor (acceleration sensor)	Does not come on

CAUTION / NOTICE / HINT

Note:

Before performing troubleshooting, inspect the connectors of related circuits.
If DTC C1782 (Power Source Voltage Malfunction) is output at the same time, perform troubleshooting for C1782 first.

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Before replacing the absorber control ECU, perform all of the following:
- Symptom simulation.
  
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- DTC inspection.
  
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- GTS inspection.
  
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- - If no malfunctions are found in other areas, replace the absorber control ECU.
When the absorber control ECU is replaced, switch to test mode and check that all test mode DTCs are cleared when their respective deletion conditions are met.

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PROCEDURE

CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

Check for DTCs.

Result

Result	Proceed to
CAN DTCs are not output	A
CAN DTCs are output	B

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

CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)

Check for yaw rate sensor malfunction DTCs.

Result

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

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

ADAPTIVE VARIABLE SUSPENSION SYSTEM, Diagnostic DTC:C1787