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Home >> Lexus >> 2009 >> IS 250 RWD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting (Diagnostic Codes & Circuit Tests) >> Lighting System >> DTC B2417: Headlight Beam Level Control Motor LH Malfunction; DTC B2418: Headlight Beam Level Control Motor RH Malfunction >> Description

DTC B2417: Headlight Beam Level Control Motor LH Malfunction; DTC B2418: Headlight Beam Level Control Motor RH Malfunction: Description

The leveling actuator (headlight leveling motor) receives a signal from the AFS ECU to operate. The AFS ECU receives signals regarding the operating conditions of the leveling actuator (headlight leveling motor).

DTC No. DTC Detection Condition Trouble Area
B2417
  • Malfunction in headlight leveling motor LH
  • Open or short in headlight leveling motor LH circuit
  • Headlight leveling motor LH (Headlight assembly LH)
  • Wire harness or connector
  • AFS ECU
B2418
  • Malfunction in headlight beam level control motor RH
  • Open or short in headlight beam level control motor RH circuit
  • Headlight leveling motor RH (Headlight assembly RH)
  • Wire harness or connector
  • AFS ECU