LIGHTING SYSTEM, Diagnostic DTC:B2416

DTC Code DTC Name
B2416 Height Control Sensor Malfunction

DESCRIPTION

The DTC is stored when the headlight leveling ECU assembly detects malfunctions in the rear height control sensor sub-assembly power source or rear height control sensor sub-assembly.

DTC No. DTC Detecting Condition Trouble Area
B2416

  • Malfunction in rear height control sensor sub-assembly

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

  • Rear height control sensor sub-assembly

  • Harness or connector

  • Headlight leveling ECU assembly

WIRING DIAGRAM

A003V7KE01

INSPECTION PROCEDURE

Note

If either of the following work has been performed, initialization of the headlight leveling ECU assembly is necessary Click here.


  • Replacement of the headlight leveling ECU assembly.

  • Replacement or removal/installation of the rear height control sensor sub-assembly or work that changes the vehicle height such as replacement of suspension components.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2416 is not output.

    NG

    READ VALUE USING INTELLIGENT TESTER Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  2. READ VALUE USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / HL Auto Leveling / Data List.

    5. Read the display on the intelligent tester.

      HL Auto Leveling
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Height Sens Pw Supply Val Height control sensor power supply value/0 to 6.25 V Approx. 5 V -
      Result
      Result Proceed to
      NG A
      OK (for LHD) B
      OK (for RHD) C
      OK
      Normal condition listed above is displayed.

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (for LHD) Click here

    C

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (for RHD) Click here

    A

  3. INSPECT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY


    1. Remove the rear height control sensor sub-assembly Click here.

    2. A003WDTE01
      Text in Illustration
      *a

      Component without harness connected

      (Rear Height Control Sensor Sub-assembly)

      Connect 3 dry cell batteries (1.5 V) in series.

    3. Connect the positive (+) lead from the batteries to terminal 3 (SHB) and the negative (-) lead from the batteries to terminal 1 (SHG).

    4. Measure the voltage between terminals 2 (SHRR) and 1 (SHG) while slowly moving the link up and down.

      Standard Voltage
      Tester Connection Condition Specified Condition
      2 (SHRR) - 1 (SHG) +45° (High) 4.05 V
      0° (Normal) 2.25 V
      -45° (Low) 0.45 V

    NG

    REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (HEADLIGHT LEVELING ECU ASSEMBLY - HEIGHT CONTROL SENSOR)


    1. Disconnect the A46 headlight leveling ECU assembly connector.

    2. Disconnect the R2 rear height control sensor sub-assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A46-12 (SBR) - R2-3 (SHB) Always Below 1 Ω
      A46-19 (SHRL) - R2-2 (SHRR) Always Below 1 Ω
      A46-21 (SGR) - R2-1 (SHG) Always Below 1 Ω
      A46-12 (SBR) - Body ground Always 10 kΩ or higher
      A46-19 (SHRL) - Body ground Always 10 kΩ or higher
      A46-21 (SGR) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      NG A
      OK (for LHD) B
      OK (for RHD) C

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (for LHD) Click here

    C

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY (for RHD) Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR