REAR SEAT ENTERTAINMENT SYSTEM(for 12 Inch) Visual Mute Signal Circuit between Navigation ECU and Television Display

DESCRIPTION

This is the visual mute signal circuit from the navigation receiver assembly to the television display assembly.

WIRING DIAGRAM

*1	Television Display Assembly
*2	Navigation Receiver Assembly

PROCEDURE

1. INSPECT NAVIGATION RECEIVER ASSEMBLY

   
   
   1. 

      *a	Component with harness connected (Navigation Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition F4-17 (VMTR) - Body ground RSE is playing → Source is changed Above 3.5 V → Below 1 V

      Result
      Proceed to OK NG

   
   

   OK

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

   NG

2. CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY)

   
   

   1. Disconnect the F4 navigation receiver assembly connector.

   2. Disconnect the S35 television display assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition F4-17 (VMTR) - S35-28 (VMTR) Always Below 1 Ω F4-17 (VMTR) or S35-28 (VMTR) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. INSPECT TELEVISION DISPLAY ASSEMBLY

   
   

   1. Reconnect the S35 television display assembly connector.

   2. 

      *a	Rear view of wire harness connector (to Television Display Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition S35-28 (VMTR) - Body ground Display is operating Above 3.5 V

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

   NG

   REPLACE TELEVISION DISPLAY ASSEMBLY Click here