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Navigation Receiver Assembly Power Source Circuit [08/2014 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY POWER SOURCE) 
    1. Disconnect the H140 radio receiver assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H140-12 (GND1) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      H140-17 (+B1) - H140-12 (GND1) Power switch off 11 to 14 V
      H140-16 (ACC1) - H140-12 (GND1) Power switch on (ACC) 11 to 14 V
      H140-15 (IG) - H140-12 (GND1) Power switch on (IG) 11 to 14 V

    Result:  OK

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (See article. Refer to PROBLEM SYMPTOMS TABLE [08/2014 - ] )

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR