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Power Window Master Switch: Inspection: Inspection

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  1. INSPECT MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Check that the LED illuminates.
      Fig 1: Identifying Multiplex Network Master Switch Assembly Connector Terminals & LED Illumination
      GTY242382Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Apply battery voltage to the multiplex network master switch assembly and check that the LED illuminates.

        OK

        Measurement Condition Specified Condition
        Battery positive (+) → 18 (LED)
        Battery negative (-) → 12 (GND)
        LED illuminates
        TEXT IN ILLUSTRATION

        *1 Component without harness connected
        (to Multiplex Network Master Switch Assembly)

        If the result is not as specified, replace the multiplex network master switch assembly.