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Home >> Lexus >> 2017 >> NX 200t Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Adaptive Front - Lighting System - Diagnostic Codes & Symptom Tests >> AFS (Adaptive Front-Lighting System) >> DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication; DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [09/2017 - ] >> Description
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DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication; DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [09/2017 - ]: Description

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

The headlight swivel and 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.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2410 Headlight Swivel ECU LH Communication Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. LIN communication error

Malfunction duration: 
  1. 10 seconds or more
  • Headlight unit assembly LH
  • Headlight ECU sub-assembly LH
B2411 Headlight Swivel ECU RH Communication Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. LIN communication error

Malfunction duration: 
  1. 10 seconds or more
  • Headlight unit assembly RH
  • Harness or connector
  • Headlight ECU sub-assembly RH
  • Headlight ECU sub-assembly LH
B2424 Headlight Beam Level Control Motor LH Lost Communication Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. LIN communication error

Malfunction duration: 
  1. 10 seconds or more
  • Headlight unit assembly LH
  • Headlight ECU sub-assembly LH
B2425 Headlight Beam Level Control Motor RH Lost Communication Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. LIN communication error

Malfunction duration: 
  1. 10 seconds or more
  • Headlight unit assembly RH
  • Harness or connector
  • Headlight ECU sub-assembly RH
  • Headlight ECU sub-assembly LH