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Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BATTERY, BODY GROUND) 
    1. Disconnect the navigation receiver assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      E1-7 (E) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.
    Fig 1: Identifying Navigation Receiver Assembly Connector Terminal
    G06010780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard Voltage 

    VOLTAGE SPECIFICATION

    Tester Connection Condition Specified Condition
    E1-4 (B) - E1-7 (E) Always 11 to 14 V
    E1-3 (ACC) - E1-7 (E) Ignition switch ACC 11 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

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