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

A015E2WE24

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT MULTI-MEDIA INTERFACE ECU


    1. A015C00E29
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Multi-media Interface ECU)

      Disconnect the L40 multi-media interface ECU connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L40-12 (+B) - L40-7 (GND) Always 11 to 14 V
      L40-11 (ACC) - L40-7 (GND) Engine switch on (ACC) 11 to 14 V

    NG

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


    1. Disconnect the F55 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L40-11 (ACC) - F55-11 (ACC) Always Below 1 Ω
      L40-12 (+B) - F55-12 (+B) Always Below 1 Ω
      L40-7 (GND) - F55-7 (GND) Always Below 1 Ω
      L40-11 (ACC) - Body ground Always 10 kΩ or higher
      L40-12 (+B) - Body ground Always 10 kΩ or higher
      L40-7 (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