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Home >> Lexus >> 2013 >> GS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Variable Gear Ratio Steering System (Diagnostic Codes & Symptom Tests) >> Variable Gear Ratio Steering System >> DTC C15A3/63: Motor Rotation Angle Not Detected; DTC C15C5/69: Motor Rotation Signal Not Detected >> Inspection Procedure

Inspection Procedure

NOTE:
  • When replacing the VGRS ECU (front steering control ECU) or steering actuator assembly, perform actuator angle neutral position calibration and initialization after replacing parts. Refer to CALIBRATION [12/2011 - ] .
  • Since DTC C1B09/19 is stored in the DRS ECU (rear steering control ECU), after performing repairs on the VGRS system, clear the DTCs for the dynamic rear steering system.*
  • Since DTC C1289 is stored in the skid control ECU (brake actuator assembly), after performing repairs on the VGRS system, clear the DTCs for the vehicle stability control system.
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