LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) (Except Hybrid) - Diagnostic Codes (1 Of 2) >> LIGHTING SYSTEM (for Gasoline Model) >> DTC B2417: Headlight Beam Level Control Motor LH; DTC B2418: Headlight Beam Level Control Motor RH [08/2021 - ] >> Description

DTC B2417: Headlight Beam Level Control Motor LH; DTC B2418: Headlight Beam Level Control Motor RH [08/2021 - ]: Description

The headlight ECU sub-assembly LH sends automatic headlight beam level control signals to the headlight leveling motor via LIN communication.

The headlight ECU sub-assembly and headlight leveling motor communicate via LIN communication.

The headlight leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating state to the headlight ECU sub-assembly.

The headlight ECU sub-assembly LH stores a DTC if it detects that a headlight leveling motor is malfunctioning.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B2417 Headlight Beam Level Control Motor LH Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. Headlight leveling motor malfunction detected

Malfunction duration: 
  1. -
Headlight unit assembly LH AFS
B2418 Headlight Beam Level Control Motor RH Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. Headlight leveling motor malfunction detected

Malfunction duration: 
  1. -
Headlight unit assembly RH AFS