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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Exterior Trim >> Active Rear Wing System - Diagnostic Codes & Symptom Tests (Coupe) >> Active Rear Wing System >> DTC B1312: Hall IC Pulse Sensor Main and Sub [03/2017 - ] >> Description

DTC B1312: Hall IC Pulse Sensor Main and Sub [03/2017 - ]: Description

This DTC is stored when a malfunction of both Hall IC1 and Hall IC2 is detected.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1312 Hall IC Pulse Sensor Main and Sub The rear spoiler motor assembly locks during a rise or retract operation of the active rear wing, then locks in 5 edge or less when operated in the opposite direction.
  • Foreign object
  • Top cover lock control link sub-assembly LH
  • Top cover lock control link sub-assembly RH
  • Rear spoiler drive gear
  • Rear spoiler motor assembly
  • Spoiler control ECU assembly
  • Harness or connector