AUDIO AND VISUAL SYSTEM (w/o Navigation System) Multi-media Interface ECU Power Source Circuit

DESCRIPTION

This circuit provides power to the multi-media interface ECU.

WIRING DIAGRAM

A01NH1YE01

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-MEDIA INTERFACE ECU


    1. Disconnect the multi-media interface ECU connector.

    2. A01ND02E02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Multi-media Interface ECU)

      Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      U9-12 (+B) - U9-7 (GND) Always 11 to 14 V
      U9-11 (ACC) - U9-7 (GND) Power switch on (ACC) 11 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. CHECK HARNESS AND CONNECTOR


    1. Disconnect the radio receiver assembly connector.

    2. A01NGE4E03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Multi-media Interface ECU)
      *2

      Front view of wire harness connector

      (to Radio Receiver Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U9-11 (ACC) - G11-11 (ACC) Always Below 1 Ω
      U9-12 (+B) - G11-12 (+B) Always Below 1 Ω
      U9-7 (GND) - G11-7 (GND) Always Below 1 Ω
      U9-11 (ACC) - Body ground Always 10 kΩ or higher
      U9-12 (B+) - Body ground Always 10 kΩ or higher
      U9-7 (GND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here