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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Restraints >> Seat Belts >> Pre-Collision System - Diagnostic Codes & Circuit Tests - (Hybrid) >> Pre-Collision System >> DTC C1A46: Yaw Rate Sensor [10/2015 - ] >> Description

DTC C1A46: Yaw Rate Sensor [10/2015 - ]: Description

The driving support ECU assembly receives yaw rate sensor signals from the airbag sensor assembly and skid control ECU (brake booster with master cylinder assembly) via CAN communication. If the driving support ECU assembly receives yaw rate sensor malfunction signals from the airbag sensor assembly or skid control ECU (brake booster with master cylinder assembly), 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 skid control ECU (brake booster with master cylinder assembly) for approximately 10 seconds.
  • Electronically controlled brake system
  • Yaw rate sensor (Airbag ECU assembly)
  • Skid control ECU (Brake booster with master cylinder assembly)
  • Driving support ECU assembly