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Home >> Lexus >> 2005 >> GX 470 V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Navigation System >> Testing and Inspection >> Component Tests and General Diagnostics >> Display Signal Circuit (Multi-Display Controller Sub-Assy-Multi Display)
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Display Signal Circuit (Multi-Display Controller Sub-Assy-Multi Display)

DISPLAY SIGNAL CIRCUIT (MULTI-DISPLAY CONTROLLER SUB ASSY - MULTI-DISPLAY)

CIRCUIT DESCRIPTION
This is the display signal circuit from the multi display controller sub assy to the multi display.

Wiring Diagram:






Step 1:




Step 2:




INSPECTION PROCEDURE

HINT: The waveform pattern may differ from those shown in the illustrations due to differences in oscilloscope settings. A normal multi-display controller sub-assy operating condition can be determined if any waveform is output.




Oscilloscope wave
Terminal: SYNC-Body ground
Setting: 500 mV/DIV 10 Micro Seconds/DIV
Condition: Navigation display is on.




Oscilloscope wave
Terminal: R, G, B-Body ground
Setting: 200 mV/DIV 10 Micro Seconds/DIV
Condition: Navigation display is on.
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