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Home >> Lexus >> 2016 >> GS 350 Base, RWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A46: Yaw Rate Sensor [10/2015 - ] >> Description
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DTC C1A46: Yaw Rate Sensor [10/2015 - ]: Description

The driving support ECU assembly receives yaw rate sensor signals from the yaw rate sensor and brake actuator assembly (skid control ECU) via CAN communication. If the driving support ECU assembly receives yaw rate sensor malfunction signals from the yaw rate sensor or brake actuator assembly (skid control ECU), DTC C1A46 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A46 Yaw Rate Sensor
  • While the vehicle is being driven at a speed of 5 km/h (4 mph) or more, the driving support ECU assembly receives a yaw rate sensor malfunction signals from yaw rate sensor for approximately 10 seconds.
  • While the vehicle is being driven at a speed of 5 km/h (4 mph) or more, the driving support ECU assembly receives a yaw rate sensor zero point malfunction signals from brake actuator assembly (skid control ECU) for approximately 10 seconds.
  • Vehicle stability control system
  • Yaw rate sensor
  • Brake actuator assembly (Skid control ECU)
  • Driving support ECU assembly