DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY
CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - TELEVISION DISPLAY)
CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY
REAR SEAT ENTERTAINMENT SYSTEM - Visual Mute Signal Circuit between Radio Receiver and Television Display
DESCRIPTION
This is the visual mute signal circuit from the multi-media module receiver assembly to the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY |
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
| Tester Connection | Condition | Specified Condition |
| F78-4 (VMTR) - Body ground | RSE is playing → Source is changed | 4 V or higher → Below 0.7 V → 4 V or higher |
Text in Illustration| *a | Component with harness connected
(Multi-media Module Receiver Assembly) |
| OK | |
| |
| PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE ()
|
|
| 2.CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - TELEVISION DISPLAY) |
Disconnect the F78 multi-media module receiver assembly connector.
Disconnect the L53 television display assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| F78-4 (VMTR) - L53-17 (VMTR) | Always | Below 1 Ω |
| F78-4 (VMTR) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 3.CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY |
Disconnect the L53 television display assembly connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
| Tester Connection | Condition | Specified Condition |
| L53-17 (VMTR) - Body ground | Display is operating | 4 V or higher |
Text in Illustration| *a | Front view of wire harness connector
(to Television Display Assembly) |
| | REPLACE MULTI-MEDIA MODULE
RECEIVER ASSEMBLY ()
|
|
|
| OK | |
| |
| REPLACE TELEVISION DISPLAY ASSEMBLY ()
|
|
