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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Automatic Headlight Beam Level Control System - Diagnostic Codes & Circuit Tests - (Hybrid) >> Automatic Headlight Beam Level Control System >> Circuit Tests >> LVL Terminal Circuit [10/2014 - ] >> Procedure

LVL Terminal Circuit [10/2014 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (DLC3 - HEADLIGHT LEVELING ECU ASSEMBLY) 
    1. Disconnect the A24 headlight leveling ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A24-5 (INIT) - D28-8 (LVL) Always Below 1 Ω
      A24-5 (INIT) - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D28-4 (CG) - Body ground Always Below 1 Ω

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [10/2014 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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