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. | Vehicle stability control system
Suspension control ECU
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INSPECTION PROCEDURE
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| Result | Proceed to |
| DTC is not output | A |
| DTC is output | B |
| | GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) ()
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Check for DTCs.
Result| Result | Proceed to |
| DTC C1787 is output | A |
| DTC C1787 is not output | B |
| | USE SIMULATION METHOD TO CHECK ()
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| A | |
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| REPLACE SUSPENSION CONTROL ECU ()
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