LIGHTING SYSTEM, Diagnostic DTC:B2410, B2411

DTC Code DTC Name
B2410 Headlight Swivel Motor LH Communication Malfunction
B2411 Headlight Swivel Motor RH Communication Malfunction

DESCRIPTION

These DTCs are stored when the headlight swivel ECU assembly detects errors in its own communications with the headlight assembly (headlight swivel motor).

DTC Code DTC Detection Condition Trouble Area
B2410 The headlight swivel ECU assembly detects errors in its own communications with the headlight swivel motor LH.

  • Headlight swivel ECU assembly

  • Headlight assembly LH

  • Harness or connector
B2411 The headlight swivel ECU assembly detects errors in its own communications with the headlight swivel motor RH.

  • Headlight swivel ECU assembly

  • Headlight assembly RH

  • Harness or connector

WIRING DIAGRAM

A004OVGE04

CAUTION / NOTICE / HINT

Tech Tips


  • Perform a visual check of the headlight assembly (headlight swivel motor) before replacing it.

  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

  • After replacing the headlight swivel ECU assembly, initialization of the ECU is necessary Click here.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2410 or B2411 output does not occur.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (HEADLIGHT SWIVEL ECU ASSEMBLY - BATTERY AND BODY GROUND)


    1. A004TCQE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Headlight Swivel ECU Assembly)

      Disconnect the headlight swivel ECU assembly connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A38-14 (IGS) - Body ground Ignition switch ON 11 to 14 V

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      A38-22 (E1) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT SWIVEL ECU ASSEMBLY - HEADLIGHT ASSEMBLY)


    1. Disconnect the A38 headlight swivel ECU assembly connector.

    2. Disconnect the A77*1 or A76*2 headlight assembly connector.


      • *1: for LH

      • *2: for RH

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      A38-1 (SMBL) - A77-1 (LHB1) Always Below 1 Ω
      A38-27 (LH-) - A77-2 (LH E)
      A38-29 (SML) - A77-3 (SML)
      A38-30 (LH+) - A77-6 (LH T)
      A38-1 (SMBL) - Body ground Always 10 kΩ or higher
      A38-27 (LH-) - Body ground
      A38-29 (SML) - Body ground
      A38-30 (LH+) - Body ground
      for RH
      Tester Connection Condition Specified Condition
      A38-2 (SMBR) - A76-1 (RHB1) Always Below 1 Ω
      A38-10 (SMR) - A76-3 (SMR)
      A38-11 (RH+) - A76-6 (RH T)
      A38-28 (RH-) - A76-2 (RH E)
      A38-2 (SMBR) - Body ground Always 10 kΩ or higher
      A38-10 (SMR) - Body ground
      A38-11 (RH+) - Body ground
      A38-28 (RH-) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HEADLIGHT ASSEMBLY


    1. Temporarily replace the headlight assembly with a new or normally functioning one Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2410 or B2411 output does not occur.

    OK

    END (HEADLIGHT ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here