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Radio Receiver Power Source Circuit [09/2014 - 10/2015]: Procedure

  1. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY -BATTERY AND BODY GROUND) 
    1. Disconnect the multi-media module receiver assembly connector.
      GTY642269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N68-12 (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
      N68-15 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      N68-16 (ACC1) - Body ground Engine switch on (ACC) 11 to 14 V
      N68-17 (+B1) - Body ground Always 11 to 14 V
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Multi-media Module Receiver Assembly)

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [09/2014 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR