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

A0094JXE33

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK MULTI-MEDIA INTERFACE ECU


    1. A009643E03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-media Interface ECU)

      Disconnect the H33 multi-media interface ECU connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H33-12 (+B) - H33-7 (GND) Always 11 to 14 V
      H33-11 (ACC) - H33-7 (GND) Ignition switch ACC 11 to 14 V

    NG

    CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - RADIO RECEIVER) Click here

    OK

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

  2. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA INTERFACE ECU - RADIO RECEIVER)


    1. Disconnect the H33 multi-media interface ECU connector.

    2. Disconnect the H36 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H33-11 (ACC) - H36-11 (ACC) Always Below 1 Ω
      H33-12 (+B) - H36-12 (+B) Always Below 1 Ω
      H33-7 (GND) - H36-7 (GND) Always Below 1 Ω
      H33-11 (ACC) - Body ground Always 10 kΩ or higher
      H33-12 (B+) - Body ground Always 10 kΩ or higher
      H33-7 (GND) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK (w/o Accessory Meter) A
      OK (w/ Accessory Meter) B
      NG C

    B

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

    REPLACE RADIO RECEIVER ASSEMBLY Click here