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 assembly.

WIRING DIAGRAM

A003XHTE76

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-MEDIA INTERFACE ECU ASSEMBLY


    1. Disconnect the multi-media interface ECU assembly connector.

    2. A003W9NE72
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-media Interface ECU Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H69-12 (+B) - H69-7 (GND) Power switch off 11 to 14 V
      H69-11 (ACC) - H69-7 (GND) Power switch on (ACC) 11 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR Click here

    OK

    REPLACE MULTI-MEDIA INTERFACE ECU ASSEMBLY Click here

  2. CHECK HARNESS AND CONNECTOR


    1. Disconnect the radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H69-11 (ACC) - H53-11 (ACC) Always Below 1 Ω
      H69-12 (+B) - H53-12 (+B) Always Below 1 Ω
      H69-7 (GND) - H53-7 (GND) Always Below 1 Ω
      H69-11 (ACC) - Body ground Always 10 kΩ or higher
      H69-12 (+B) - Body ground Always 10 kΩ or higher
      H69-7 (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