AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2416

DTC Code DTC Name
B2416 Height Control Sensor Malfunction

DESCRIPTION

This DTC is stored when the headlight leveling ECU assembly detects a malfunction in the rear height control sensor sub-assembly LH power source or rear height control sensor sub-assembly LH.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2416 Height Control Sensor Malfunction

  • Malfunction in rear height control sensor sub-assembly LH

  • Open or short in rear height control sensor sub-assembly LH power source circuit

  • Rear height control sensor sub-assembly LH

  • Harness or connector

  • Headlight leveling ECU assembly

WIRING DIAGRAM

B003NCDE02
*a Rear Height Control Sensor Sub-assembly LH
*b Headlight Leveling ECU Assembly

CAUTION / NOTICE / HINT

Note


  • If the headlight leveling ECU assembly has been replaced, it is necessary to initialize the headlight leveling ECU assembly.

    Click here

  • If any of the following are performed, it is necessary to initialize the headlight leveling ECU assembly.

    Click here


    • Replacement of the rear height control sensor sub-assembly LH

    • Removal/installation of the rear height control sensor sub-assembly LH

    • Work that changes the vehicle height such as replacement of suspension components

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      OK
      DTC B2416 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling / Data List.

    5. Read the display on the GTS.


      Body Electrical > HL AutoLeveling > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Height Sens Pw Supply Val Height control sensor power supply value 0.00 to 5.00 V 4.61 to 5.00 V -

      Body Electrical > HL AutoLeveling > Data List
      Tester Display
      Height Sens Pw Supply Val
      OK
      Normal condition listed above is displayed.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    NG

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH)


    1. Disconnect the G40 headlight leveling ECU assembly connector.

    2. Disconnect the O7 rear height control sensor sub-assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G40-12 (SBR) - O7-3 (SHB) Always Below 1 Ω
      G40-21 (SGR) - O7-1 (SHG) Always Below 1 Ω
      G40-12 (SBR) - Body ground Always 10 kΩ or higher
      G40-21 (SGR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH


    1. Remove the rear height control sensor sub-assembly LH.

      Click here

    2. Inspect the rear height control sensor sub-assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    NG

    REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH Click here