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

for Preparation Click here


DESCRIPTION

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

WIRING DIAGRAM


E180194E76


INSPECTION PROCEDURE

1.INSPECT MULTI-MEDIA INTERFACE ECU ASSEMBLY

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



    E168566E72

  1. 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

    Text in Illustration 
    *a
    		Front view of wire harness connector
    (to Multi-media Interface ECU Assembly)



NG
Go to step 2
OK

REPLACE MULTI-MEDIA INTERFACE ECU ASSEMBLY (Click here)  

2.CHECK HARNESS AND CONNECTOR

  1. Disconnect the radio receiver assembly connector.

  1. 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)