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Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Navigation System (Except Hybrid)) >> Navigation System >> Radio and Navigation Assembly Power Source Circuit >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT RADIO AND NAVIGATION ASSEMBLY 
    1. Disconnect the radio and navigation assembly connector F9.
      Fig 1: Identifying Radio And Navigation Assembly Connector F9
      G04980987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RADIO AND NAVIGATION ASSEMBLY RESISTANCE

      Tester connection Condition Specified condition
      GND - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

    Standard voltage 

    RADIO AND NAVIGATION ASSEMBLY VOLTAGE

    Tester connection Condition Specified condition
    B - GND Always 10 to 14 V
    ACC - GND Ignition SW on (ACC) 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  

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