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

DESCRIPTION

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

WIRING DIAGRAM

A016065E41

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-MEDIA INTERFACE ECU


    1. Disconnect the multi-media interface ECU connector.

    2. A0162GHE34
      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
      J112-12 (+B) - J112-7 (GND) Always 11 to 14 V
      J112-11 (ACC) - J112-7 (GND) Engine 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 display and navigation module display connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J112-11 (ACC) - J126-11 (ACC) Always Below 1 Ω
      J112-12 (+B) - J126-12 (+B) Always Below 1 Ω
      J112-7 (GND) - J126-7 (GND) Always Below 1 Ω
      J112-11 (ACC) - Body ground Always 10 kΩ or higher
      J112-12 (+B) - Body ground Always 10 kΩ or higher
      J112-7 (GND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Click here