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Navigation Unit Inputs and Outputs

Fig 1: Identifying Navigation Unit Inputs And Outputs Connector 20P
G05463128Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 WHT R SIG (Red signal) Red color signal 0.2 V AC average If open: Red color missing (see "RGB COLOR " diagnostic).
If short to ground: Red color missing (see "RGB COLOR " diagnostic).
2 RED G SIG (Green signal) Green color signal 0.2 V AC average in RGB color diagnostic mode If open: Green color missing (see "RGB COLOR " diagnostic).
If short to ground: Green color missing (see "RGB COLOR " diagnostic).
3 GRY/RED(1) SH SIG (Shield signal) Shield for terminal No. 1, 2, 11, 12, 13 0 V If open: No change to display.
If short to ground: No change to display.
5 RED/BLK ILL (+) (Illumination positive) Parking light on signal Lights on: battery voltage, Lights off: 0 V If open: When brightness="Auto", night mode for the display is inoperative when lights on.
If short to ground: Blows No. 4 (10 A) fuse in under-hood fuse/relay box.
8 WHT CAN-H (CAN high) F-CAN bus communication Pulses 2.5-6 V average 2.5 V (Depends on F-CAN communication traffic) If open:
  1. System Links FI-ECU, and Meter both show "NG".
  2. F-CAN diagnostic="NG".
  3. Car status CHG (CAN)=0.
  4. Functional Setup, Trip into, FUP & Sampled FL=0.

If short to ground: Same diagnostic conditions as when open, and also sets the following DTCs.
  • B1168 Gauge Control Module loss of Comm. (Engine)
  • B1169 Gauge Control Module loss of Comm. (A/T)
  • B1178 F-CAN communication Circuit error.
  • U0073 (F-CAN bus off)
  • U0155 (F-CAN Gauge control module)
  • U0121 (F-CAN VSA control)
9 GRY(1) ECU BUS SH (Shield display bus) Shield for display bus terminal No. 10, 20 0 V If open: No change to display.
If short to ground: No change to display.
10 RED/WHT ECU BUS (+) (Display bus positive) Data bus (+) GA-Net 0 V-5 V pulses average 2.5 V depends on bus traffic If open: Navigation buttons and touch screen do not work.
If short to ground: Navigation buttons and touch screen do not work.
(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.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
11 YEL B SIG (Blue signal) Blue color signal 0.2 V AC average in RGB color diagnostic mode If open: Blue color missing (see "RGB COLOR " diagnostic).
If short to ground: Blue color missing (see "RGB COLOR " diagnostic).
12 BRN C SIG (Composite signal) Composite video (vertical/horizontal) Synchronizing signal 0.2 V AC average in RGB color diagnostic mode If open: Picture rolls horizontally, colors still visible.
If short to ground: Picture rolls horizontally, colors still visible.
13 BLU GND SIG (Ground signal) Ground for color signal 0 V If open: No change to display.
If short to ground: No change to display.
18 RED CAN-L (CAN low) F-CAN bus communication Pulses 2.5-6 V 2.5 V average (depends on Bus traffic) If open:
  1. System Links ECM/PCM, and Gauge Control Module both show "NG".
  2. F-CAN diagnostic="NG".
  3. Car status CHG (CAN)=0.
  4. Functional Setup, Trip into, FUP & Sampled FL=0.

If short to ground: Same diagnostic conditions as when open, and also sets the following DTCs.
  • B1168 Gauge Control Module loss of Comm. (Engine)
  • B1169 Gauge Control Module loss of Comm. (A/T)
  • B1178 F-CAN communication Circuit error.
  • U0073 (F-CAN bus off)
  • U0155 (F-CAN Gauge control module)
  • U0121 (F-CAN VSA control)
20 RED/BLU ECU BUS (-) (Display bus negative) Data bus (-) GA-Net 0 --5 V pulses 2.5 V average (depends on Bus traffic) If open: Navigation buttons and touch screen do not work.
If short to ground: Hard and touch buttons work OK.


Fig 1: Identifying Navigation Unit Inputs And Outputs Connector 14P
G05463129Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
5 WHT RG L (+) (Route guidance voice left positive) Left audio signal of voice guidance, and Voice Recognition (VR) prompts Audio signal 0.004-0.04 V If open: If voice activated, radio speakers buzz; if voice off, no effect.
If short to ground: If voice activated, radio speakers buzz; if voice off, no effect.
6 BRN MIC SIG (+) (Mic signal positive) Microphone output signal positive 4-5 V (Talk button pressed) If open: No microphone signal shown in diagnostic screens: "Navi System Link" and Functional Setup "Mic Level".
If short to ground: No microphone signal shown in diagnostic screens: "Navi System Link" and Functional Setup "Mic Level".
10 BRN STRG SW (Steering wheel switches) Steering wheel switch output 4-5 V (Talk button pressed) 2.5-3 V (Back button pressed) If open: Steering wheel Talk and Back buttons do not work.
If short to ground: Steering wheel Talk and Back buttons do not work.
11 LT GRN(1) SH RG (Shield route guidance) Shield for terminal No. 5,12 0 V If open: No effect on voice output.
If short to ground: No effect on voice output.
12 BLU/RED GND RG (Ground route guidance) Ground for voice guidance, and Voice Recognition (VR) prompts 0 V If open: No effect on voice output.
If short to ground: No effect on voice output.
13 GRY(1) SH MIC (Shield mic) Shield for terminal No. 6,14 0 V If open: No effect on voice control.
If short to ground: No effect on voice control.
14 YEL GND MIC (Ground mic) Ground for microphone signal 0 V If open: No microphone signal shown in diagnostics: "Navi System Link" and Functional Setup "Mic Level".
If short to ground: No effect on voice recognition.
(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.


Fig 1: Identifying Navigation Unit Inputs And Outputs Connector 8P
G05463130Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 WHT/RED +B (+B Power source) No. 7 (7.5 A) fuse in the under-dash fuse/relay box Continuous power source Battery voltage If open: Display picture goes out (display back light still on).
NOTE: System will reboot to "enter code" screen. If short to ground: Blows fuse No. 7 (7.5 A) in the under-dash fuse/relay box.
2 YEL/RED ACC (Accessory) No. 32 (7.5 A) fuse in the under-dash fuse/ relay box Ignition ON input Battery voltage at ACC (I) If open: Display picture goes out (display back light still on).
If short to ground: Blows fuse No. 32 (7.5 A) in the under-dash fuse/relay box.
4 BLK GND (Ground) (G604) Ground for navigation unit 0 V If open: No effect on system.
If short to ground: No effect on system.
5 GRN BACK LT (Back light or reverse signal) Reverse signal of select lever from "Multiplex Integrated Control Unit" (A/T) or backup light switch (M/T) In reverse, battery voltage: Otherwise 0 V If open: Navigation never sees reverse. Diagnostic screen "Car Status", "Back"=0.
If short to ground: Blows fuse No. 21 (7.5 A) in the under-dash fuse/relay box.
6 LT BLU VSP (Vehicle speed pulse) Vehicle speed pulse signal from ECM/PCM Stopped: 10-11 V DC Average 5 V DC, when moving If open: No vehicle speed pulses.
Diagnostic screen "Car Status", VSP Navi=0.
If short to ground: No vehicle speed pulses.
Diagnostic screen "Car Status", VSP Navi=0.
7 GRN/RED DIAG+ (Diagnostic positive) Service check signal for navigation system 5-6 V If open: No effect on system.
If short to ground: System goes into diagnostic mode at key ON (I and II).
8 GRN/YEL DIAG- (Diagnostic negative) Ground for service check signal 0 V If open: The system will not go into diagnostic mode when using the SCS service connector.
If short to ground: No effect on system.


Fig 1: Identifying Navigation Unit Inputs And Outputs Connector 2P
G05463131Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 - GPS GPS signal 5V If open: GPS icon on screen is white, system links screen ANT shows "NG".
If short to body ground: Same as open.
2 - GND GPS Ground for GPS signal 0 V If open: GPS icon on screen is white, system links screen ANT shows "NG".
If short to body around: No effect on system.


Fig 1: Identifying Navigation Unit Inputs And Outputs Connector 5P
G05463132Courtesy of AMERICAN HONDA MOTOR CO., INC.

USA models 

CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 WHT NAV C0MM 3 (HFL/HIP communication 3) Communication signal for Acura Link and HFL 5 V DC Solid red XM (HIP) icon and/or HFL icon in Navi System Link
2 BLK NAV C0MM 4 (HFL/HIP communication 4) Communication signal for AcuraLink and HFL 4.5 V DC Solid red XM (HIP) icon and/or HFL icon in Navi System Link
3 RED NAV C0MM 1 (HFL/HIP communication 1) Communication signal for AcuraLink and HFL 5 V DC XM (HIP) icon and/or HFL icon in Navi System Link changes between red and green
4 GRN NAV C0MM 2 (HFL/HIP communication 2) Communication signal for AcuraLink and HFL 4.5 V DC XM (HIP) icon and/or HFL icon in Navi System Link changes between red and green
5 GRY(1) NAV COMM SH (Shield HFL/HIP) Shield for terminal No. 1, 2, 3, 4 0 V -
(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.

Canada models 

CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 WHT HFL C0MM 3 (HFL communication 3) Communication signal for HFL - Solid red HFL icon in Navi System Link
2 BLK HFL COMM 4 (HFL communication 4) Communication signal for HFL - Solid red HFL icon in Navi System Link
3 RED HFL COMM 1 (HFL communication 1) Communication signal for HFL - HFL icon in Navi System Link changes between red and green
4 GRN HFL COMM 2 (HFL communication 2) Communication signal for HFL - HFL icon in Navi System Link changes between red and green
5 GRY(1) HFL COMM SH (Shield HFL) Shield for terminal No. 1, 2, 3, 4 - -
(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.


Fig 1: Identifying Navigation Unit Inputs And Outputs Connector 7P
G05463133Courtesy of AMERICAN HONDA MOTOR CO., INC.
CONNECTOR TERMINAL REFERENCE CHART

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
G1 WHT CAMERA VCC (VCC supply) Power source for rearview camera 8 V If open: When put into reverse, the navigation screen goes black (backlight still operation)
If short to ground: When put into reverse, the navigation screen goes black (backlight still operative).
G2 RED CAMERA GND (Ground) Ground for rearview camera 0 V If open: No change to rearview camera image.
If short to ground: No change to rearview camera image.
G4 YEL VIDEO GND (Ground camera) Ground for camera signal 0 V If open: No change to rearview camera image.
If short to ground: No change to rearview camera image.
G5 BLK VIDEO (Video camera) Video signal for rearview camera 0.3 V AC If open: When put into reverse, the navigation screen goes black (backlight still operation)
If short to ground: When put into reverse, the navigation screen goes black (backlight still operative).
G6 GRY(1) CAMERA SH (Shield and ground for camera) Shield for terminal No. 1 to No. 7 0 V If open: No change to rearview camera image.
If short to ground: No change to rearview camera image.
G7 GRN CAMERA ADPT (Adaptive camera) Control signal for rearview camera 0 V If open: Rearview camera is not detected.
Navigation system continues to operate normally, but will not switch to rearview mode when reverse is selected.
The rearview camera link under the Navi system link is red.
If short to ground: No change to rearview camera image.
(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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