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Home >> Lexus >> 2017 >> NX 200t Base, FWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes & Circuit Tests >> Pre-Collision System >> DTC C1A46: Yaw Rate Sensor [09/2017 - 05/2019] >> Description
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DTC C1A46: Yaw Rate Sensor [09/2017 - 05/2019]: Description

The driving support ECU assembly receives yaw rate sensor signals from the yaw rate sensor (airbag ECU assembly) and skid control ECU (brake actuator assembly) via CAN communication. If the driving support ECU assembly receives a yaw rate sensor malfunction signal from the yaw rate sensor (airbag ECU assembly) or skid control ECU (brake actuator assembly), DTC C1A46 will be 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 signal from yaw rate sensor (airbag ECU assembly) 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 signal from skid control ECU (brake actuator assembly) for approximately 10 seconds.
  • Vehicle stability control system
  • Yaw rate sensor (airbag ECU assembly)
  • Skid control ECU (brake actuator assembly)
  • Driving support ECU assembly