AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM LVL Terminal Circuit

DTC Code DTC Name
LVL Terminal Circuit

DESCRIPTION

When terminals LVL and CG of the DLC3 are connected, the headlight leveling ECU initializes the height control sensor signal.

WIRING DIAGRAM

E227421E04

CAUTION / NOTICE / HINT

Tip:

After replacing the headlight leveling ECU, initialization of the ECU is necessary.

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PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY)

    1. Disconnect the A67 headlight leveling ECU connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      A67-5 (INIT) - G14-8 (LVL)

      Always

      Below 1 Ω

      A67-5 (INIT) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

    1. C166029C57

      *a

      Front view of DLC3

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G14-4 (CG) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR