2015 Acura RDX AWDFACTORY OEM SERVICE PROCEDURE

Navigation Display Unit Connector for Inputs and Outputs (2013-17)

GHH68665Courtesy of HONDA, U.S.A., INC.

NAVIGATION DISPLAY UNIT 36P CONNECTOR 

GHH68666Courtesy of HONDA, U.S.A., INC.
Cavity Wire Color Terminal Name Description Voltage (about) Symptom
1 BLU DISPLAY SYNC GND Ground for synchronizingsignal 0 V If open/short: No effect on system.
Cavity Wire Color Terminal Name Description Voltage (about) Symptom
2 BRN DISPLAY VBS Composite video(vertical/horizontal)synchronizingsignal 0.3 V AC average If open: Picture rolls horizontally, colors still visible.If short: Symptom same as open, or navigation screen goes black (backlight still operates).
3 YEL DISPLAY B Inputs blue color signal 0.7 V AC average If open: Blue color missing (see RGB Color diagnosis).If short: Symptom same as open, or navigation screen goes black (backlight still operates).
4 RED DISPLAY G Inputs green color signal 0.7 V AC average If open: Green color missing (see RGB Color diagnosis).If short: Symptom same as open, or navigation screen goes black (backlight still operates).
5 WHT DISPLAY R Inputs red color signal 0.7 V AC average If open: Red color missing (see RGB Color diagnosis).If short: Symptom same as open, or navigation screen goes black (backlight still operates).
6 GRN DISPLAY YS Overlay control signal 1.0 V AC average If open/short: Rearview camera guide line does not display.
7 BLK DISPLAY RGB GND Ground for color signals 0 V If open/short to ground: No effect on system.
8 BRN SCTY RADIO SW2 Security signal to navigation display unit - - - If open: The security system sets.
9 YEL SCTY RADIO SW Security signal from MICU - - - If open: The security system sets.
10 Not used Not used - - - - - - - - -
11 Not used Not used - - - - - - - - -
12 Not used Not used - - - - - - - - -
13 Not used Not used - - - - - - - - -
14 PNK DISP GND Ground for Composite signal 0 V If open/short: No effect on system.
15 WHT CAMERA V Video signal for rearview camera 1.0 V AC average If open/short: When shift lever is in R, the navigation screen goes black (guide line still display).
16 RED CAMERA V GND Ground for video signal 0 V If open: When shift lever is in R, the navigation screen goes black (guide line still display).If short to ground: No effect on system.
Cavity Wire Color Terminal Name Description Voltage (about) Symptom
17 PUR ACC Power source for accessories Vehicle is in ACC mode: Battery voltage If open: Navigation screen completely off (no backlight visible).If short to ground: Blows the No. B19 (7.5 A) fuse in the under-dash fuse/relay box.
18 GRN +B BACK UP Continuous power source Battery voltage If open/short: Navigation screen completely off (no backlight visible).If short to ground: Blows the No. A29 (10 A) fuse in the under-hood fuse/relay box.
19 GRY ILLUMI + Detects parking light on signal Lights on:battery voltage, Lights off: 0 V If open: When lights on, display does not dim.If short to ground: Blows the No. B35 (7.5 A) fuse in the under-dash fuse/relay box.
20 GRY BACK LT Reverse signal ofselect lever fromreverse relay circuit In R:battery voltageOtherwise: 0 V If open/short to ground: No change to rearview camera image.
21 GRY SH DISPLAY RGB Shield for terminals No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, and No. 7 0 V If open/short to ground: No effect on system.
22 PUR GA BUS - GA-Net bus communication signal Vehicle is in ACC mode: Pulses (depends on bus traffic) If open/short: Navigation screen goes black (backlight still operates).
23 LT BLU GA BUS+ GA-Net bus communication signal Vehicle is in ACC mode: Pulses (depends on bus traffic) If open/short: Navigation screen goes black (backlight still operates).
24 GRY SH GA BUS Shield for terminals No. 22 and No. 23 0 V If open/short to ground: No effect on system.
25 Not used Not used - - - - - - - - -
26 Not used Not used - - - - - - - - -
27 Not used Not used - - - - - - - - -
28 Not used Not used - - - - - - - - -
29 Not used Not used - - - - - - - - -
30 Not used Not used - - - - - - - - -
31 GRY SYSTEM GND Ground for Composite signal 0 V If open/short: No effect on system.
Cavity Wire Color Terminal Name Description Voltage (about) Symptom
32 YEL CAMERA ADPT Control signal forrearview camera 0 V If open: No change to rearview camera image.If short to ground: No effect on system.
33 GRY SH CAMERA Shield for terminals No. 15, No. 16, No. 34, and No. 35 0 V If open/short to ground: No effect on system.
34 BLK CAMERA VCC Power source for rearview camera Vehicle is in ACC mode, in R: 8 V If open/short: When shift lever is in R, the navigation screen goes black (guide line still display).
35 GRN CAMERA GND Ground for rearview camera 0 V If open: In R, the navigation screen goes black (guide line still display).If short to ground: No effect on system.
36 BLK GND Ground for navigation display unit (G504) 0 V If open/short: Navigation screen completely off (no backlight visible).
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