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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 66 (Navigation System - Symptom Tests (Hybrid)) >> NAVIGATION SYSTEM (for HV Model) >> Circuit Tests >> Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU [04/2018 - ] >> Procedure

Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU [04/2018 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU) 
    1. Disconnect the G1 radio and display receiver assembly connector.
    2. Disconnect the G13 navigation ECU connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G1-7 (SUP) - G13-21 (SUP) Always Below 1 Ω
      G1-7 (SUP) or G13-21 (SUP) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [04/2018 - 08/2020]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2020 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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