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Home >> Lexus >> 2012 >> IS 250 RWD V6-2.5L (4GR-FSE) >> Repair and Diagnosis >> Accessories and Optional Equipment >> Radio, Stereo, and Compact Disc >> Testing and Inspection >> Pinout Values and Diagnostic Parameters >> Audio And Visual System (w/o Navigation System with Multi-display)
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Audio And Visual System (w/o Navigation System with Multi-display)





AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM (w/o Navigation System with Multi-display): TERMINALS OF ECU

1. DISPLAY AND NAVIGATION MODULE DISPLAY

















(a) Reference (Oscilloscope waveform):





(1) Waveform 1 (camera lens not covered, displaying an image)





HINT
The video waveform changes according to the image from the television camera assembly.

(2) Waveform 2 (camera lens is covered, blacking out the screen)





HINT
The video waveform changes according to the image that the television camera assembly projects.

(3) Waveform 3









HINT
The video waveform changes according to the image input from the radio receiver assembly to the display and navigation module display, but the synchronization signal does not change.

Text in Illustration





2. NAVIGATION MODULE BOARD









3. NETWORK GATEWAY ECU









4. RADIO RECEIVER ASSEMBLY









* *1: w/ Front Center Speaker

5. STEREO COMPONENT AMPLIFIER ASSEMBLY













* *1: w/o Front Center Speaker

* *2: w/ Front Center Speaker

6. MULTI-MEDIA INTERFACE ECU









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