Display Signal Circuit between Navigation ECU and Multi-display
NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Display Signal Circuit between Navigation ECU and Multi-display
- Display Signal Circuit between Navigation ECU and Multi-display
DESCRIPTION
The display image signal*1 from the display and navigation module display is sent to the multi-display using a digital communication cable.
* *1: Except DVD image signal for vehicles with DVD player.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DIGITAL COMMUNICATION CABLE CONNECTOR
(a) Check digital communication cable connector
(1) Check if the digital communication cable connectors between the display and navigation module display and the multi-display have any connection problems Electronic Circuit Inspection Procedure.
(b) Check that the screen display is normal.
OK:
Screen display is normal.
NG -- REPLACE MULTI-MEDIA MODULE WIRE
OK -- END
2. REPLACE MULTI-MEDIA MODULE WIRE
(a) Replace the multi-media module wire Disassembly.
(b) Check that the screen display is normal.
OK:
Screen display is normal.
NG -- REPLACE WIRE HARNESS (DIGITAL COMMUNICATION CABLE)
OK -- END
3. REPLACE WIRE HARNESS (DIGITAL COMMUNICATION CABLE)
(a) Replace the digital communication cable between the display and navigation module display and the multi-media module wire.
(b) Check that the screen display is normal.
OK:
Screen display is normal.
NG -- REPLACE MULTI-DISPLAY
OK -- END
4. REPLACE MULTI-DISPLAY
(a) Replace the multi-display Disassembly.
(b) Check that the screen display is normal.
OK:
Screen display is normal.
NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
OK -- END