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Audio-HVAC Subdisplay Unit Inputs and Outputs for 10P Connector

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Audio-HVAC Subdisplay Unit Inputs And Outputs For 10P Connector
G05463137Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 BLK GND (G503) Ground for audio-HVAC subdisplay unit 0 V If open: Audio-HVAC subdisplay unit unaffected
If short to ground: Audio-HVAC subdisplay unit unaffected.
2 BLU/ORN SD+B Power source for audio-HVAC subdisplay unit +B If open: All Audio-HVAC subdisplay unit LCD segments do not work.
If short to ground: All Audio-HVAC subdisplay unit LCD segments do not work. Audio-HVAC subdisplay unit backlight on.
4 YEL/RED INH Time set sync signal 0.06 V If open: Clock Audio-HVAC subdisplay unit will not set to navigation time (when time offset is applied or when "Reset" touched in Setup "Clock Adjustment" screen).
If short to ground: All Audio-HVAC subdisplay unit LCD segments do not work display backlight on.
5 YEL CL Time information signal 0-5 V Data
2.5 V Average		 If open: Audio-HVAC subdisplay unit randomly displays some characters, display backlight on.
If short to ground: Audio-HVAC subdisplay unit randomly displayed characters, display backlight on.
6 BLU/RED Dl Communication signal 0-5 V Data
11 V Average		 If open: All Audio-HVAC subdisplay unit LCD segments do not work, backlight on.
If short to ground: All Audio-HVAC subdisplay unit LCD segments do not work, backlight on.
7 BLU CE Communication signal 0-5 V Data
6-7 V Average		 If open: All Audio-HVAC subdisplay unit LCD segments do not work, backlight on.
If short to ground: All Audio-HVAC subdisplay unit LCD segments do not work, backlight on.
8 BRN/BLK(1) SH GND Shield for terminal No. 4, 5, 6, 7 0 V If open: No effect on Audio-HVAC subdisplay unit.
If short to ground: No effect on Audio-HVAC subdisplay unit.
9 ORN LCD BL (-) (LCD backlight-) Power for LCD backlight- 0-0.2 V If open: Audio-HVAC subdisplay unit functions normally, but display is very dim.
If short to ground: Audio-HVAC subdisplay unit functions normally.
10 PUR LCD BL (+) (LCD backlight +) Power for LCD backlight + 9.5 V If open: Audio-HVAC subdisplay unit completely blank.
If short to ground: Audio-HVAC subdisplay unit completely blank.
(1) The shielded wires have a heat-shrunk tube insulating the outside of the wire. The color of the insulating tube, typically black or dark gray, may not match the color of the wire listed on the schematic.
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