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Audio-Navigation Unit Inputs and Outputs

Fig 1: Identifying Audio-Navigation Unit Connector C (8P) Terminal Identification
G08049618Courtesy of AMERICAN HONDA MOTOR CO., INC.
AUDIO-NAVIGATION UNIT CONNECTOR C (8P)

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 WHT/RED + B NAVI 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. 9 (10 A) in the under-dash fuse/relay box.
4 BLK NAVI GND Ground for audio-navigation unit (G503) 0 V If open: No effect on system.
If short to ground: No effect on system
5 WHT BACK LT- Back-up signal from the reverse relay when shift selector is in R. In reverse, battery voltage: Otherwise 0 V If open: Navigation never sees the reverse signal and back-up camera does not come on when in reverse. Diagnostic screen Car Status, Back = 0.
If short to ground: Blows fuse No. 10 (7.5 A) in the under-dash fuse/relay box.


Fig 1: Identifying Audio-Navigation Unit Connector F (12P) Terminal Identification
G08049619Courtesy of AMERICAN HONDA MOTOR CO., INC.
AUDIO-NAVIGATION UNIT CONNECTOR F (12P)

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 GRN NAVI GUIDE Steering wheel switch output 4-5V (navigation TALK button pressed)
2.5-3 V (navigation BACK button pressed)		 If open: Steering wheel navigation TALK and navigation BACK buttons do not work.
If short to ground: Steering wheel navigation TALK and navigation BACK buttons do not work.
2 WHT MIC ADPT Control signal for microphone 0 V If open: No effect on voice recognition.
If short to ground: No effect on voice recognition.
7 RED MIC GND 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.
8 BLK MIC SIG Microphone output signal positive 4-5 V (with navigation 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.
9 GRY(1) MIC SHIELD Shield for terminal No. 7, 8 0 V If open: No effect on voice recognition.
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 Audio-Navigation Unit Connector G (7P) Terminal Identification
G08049620Courtesy of AMERICAN HONDA MOTOR CO., INC.
AUDIO-NAVIGATION UNIT CONNECTOR G (7P)

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 GRN CAMERA VCC (VCC supply) Power source for rearview camera 8V If open: No rearview camera image.
If short to ground: When put into reverse, the navigation screen goes black (backlight still operative).
2 WHT VCC 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.
4 RED CAMERA 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.
5 BLK CAMERA V (Video camera) Video signal for rearview camera 0.3 V AC If open: No change to rearview camera image.
If short to ground: No change to rearview camera image.
6 GRY(1) CAMERA SH (Shield camera) Shield for terminals No. 1 to No. 5 0 V If open. No change to rearview camera image.
If short to ground: No change to rearview camera image.
7 BRN CAMERA ADPT (Adaptive camera) Control signal for rearview camera 0 V If open: No change to rearview camera image.
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


Fig 1: Identifying Audio-Navigation Unit Connector H (2P) Terminal Identification
G08049621Courtesy of AMERICAN HONDA MOTOR CO., INC.
AUDIO-NAVIGATION UNIT CONNECTOR H (2P)

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
1 -- GPS SIG GPS signal (5 V in, GPS signal out) 5V If open. GPS icon on screen is white, system links screen GPS Ant. shows NG
If short to ground: GPS icon on screen is white, system links screen GPS Ant. shows NG.
2 -- GPS SH Shield for terminal No. 1 0 V If open: GPS icon on screen is white, system links screen GPS Ant. shows NG.
If short to ground No effect on system.
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