Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2011GS 450H V6-3.5L (2GR-FSE) HYBRIDREPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONMANUFACTURER CODE CHARTSDTC 44INVALID DATA RECEIVED FROM ACCELERATION SENSOR - ELECTRONICALLY CONTROLLED BRAKE SYSTEM
2011 Lexus GS 450h V6-3.5L (2GR-FSE) Hybrid
Invalid Data Received from Acceleration Sensor - Electronically Controlled Brake System
2011 Lexus GS 450h V6-3.5L (2GR-FSE) HybridSECTION Invalid Data Received from Acceleration Sensor - Electronically Controlled Brake System
BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: C1442/44,C1443/34: Invalid Data Received from Acceleration Sensor
C1443/34 - Invalid Data Received from Yaw Rate Sensor
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor via the CAN communication system.
The yaw rate sensor has a built-in acceleration sensor and detects the vehicle condition.
INSPECTION PROCEDURE
NOTICE:
When replacing the yaw rate and acceleration sensor, perform zero point calibration Calibration.
PROCEDURE
1. CHECK DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
(b) Turn the power switch ON (READY).
(c) Engine running for 60 seconds, and then power switch off.
(d) Check if the same DTC is recorded Reading and Clearing Diagnostic Trouble Codes.
Result:
B -- CHECK FOR INTERMITTENT PROBLEMS Electronic Circuit Inspection Procedure
A -- REPLACE YAW RATE AND ACCELERATION SENSOR Removal
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.