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Home >> Lexus >> 2021 >> RC 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Dynamic Rear Steering System - Diagnostic Codes & Symptom Tests >> Dynamic Rear Steering System >> DTC C1B13-23: Motor Rotation Angle Not Detected [09/2014 - 09/2020] >> Description

DTC C1B13-23: Motor Rotation Angle Not Detected [09/2014 - 09/2020]: Description

When the DRS ECU (rear steering control ECU) detects a problem with the motor rotation angle sensor circuit, DTC C1B13/23 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition
C1B13/23 Motor Rotation Angle Not Detected All conditions are met for approximately 0.2 seconds or more:
  • The engine switch is on (IG).
  • The power source voltage is 9 V or higher.
  • A problem with the motor rotation angle sensor is detected.
  • Rear steering link assembly
  • DRS ECU (rear steering control ECU)
 Comes on Engine switch on (IG) again
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