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Home >> Lexus >> 2017 >> NX 200t Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Departure Alert System (W/ Steering Control) - Diagnostic Codes & Symptom Tests >> LANE DEPARTURE ALERT SYSTEM (w/ Steering Control) >> DTC C1A47: Steering Angle Sensor [10/2014 - 09/2017] >> Description
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DTC C1A47: Steering Angle Sensor [10/2014 - 09/2017]: Description

The brake actuator assembly (skid control ECU) receives steering rotation angle information from the steering sensor and sends the information to the lane departure warning camera. When a steering sensor malfunction signal is received, DTC C1A47 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A47 Steering Angle Sensor
  • 2 seconds elapse after turning the engine switch on (IG).
  • The IG voltage is 10 V or higher.
  • 2 seconds elapse after the IG voltage is 10 V or higher.
  • When a steering sensor malfunction signal is received for 5 seconds or more from the brake actuator assembly (skid control ECU).
  • Steering sensor
  • Lane departure warning camera
  • Power steering system