Last Modified: 09-10-2025 6.11:8.1.0 Doc ID: RM100000001AU7B
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: SUSPENSION CONTROL: ADAPTIVE VARIABLE SUSPENSION SYSTEM: C1787; (Horizontality) G Sensor Malfunction; 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]

DTC

C1787

(Horizontality) G Sensor Malfunction

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Memory

C1787

(Horizontality) G Sensor Malfunction

While the engine switch is on (IG), yaw rate and acceleration sensor (airbag ECU assembly) malfunction signal is detected for 1 second or more.

Electronically controlled brake system

Does not come on

Yes

PROCEDURE

PROCEDURE

1.

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

(a) Go to electronically controlled brake system.

Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING 2022 MY Avalon [08/2021 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

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