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Navigation unit connector B (14P) ('07 model)

Fig 1: Identifying Navigation Unit Connector B (14P) (07 Model)
G05527450Courtesy of AMERICAN HONDA MOTOR CO., INC.
NAVIGATION UNIT CONNECTOR B (14P) ('07 MODEL)

Terminal Number Wire Color Terminal Name Description Voltage (about) Symptom
B2 LT BLU GA-NET ECU2 BUS (+) Data bus (+) GA-Net 0-5 V pulses average 2.5 V depends on bus traffic If open: XM radio navigation buttons, and touch screen does not work.
If short to ground: XM radio on the navi screen does not work.
B5 BRN 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.
B6 BLU MIC SIG (+) (Mic signal positive) Microphone output signal positive 4-5 V (with 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.
B8 PUR GA-NET ECU2 BUS (-) Data bus (-) GA-Net 0-5 V pulses average 2.5 V depends on bus traffic If open: XM radio navigation buttons, and touch screen does not work.
If short to ground: XM radio on the navi screen does not work.
B9 WHT(1) GA-NET ECU2 BUS SH Shield for terminals No. 2, 8 0 V If open: No effect on XM radio.
If short to ground: No effect on XM radio.
B10 GRY 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 switch/buttons do not work.
If short to ground: Steering wheel TALK, and BACK switch/buttons do not work.
B11 GRY(1) RG SH (Shield route guidance) Shield for terminals No. 5, 12 0 V If open: No effect on voice output.
If short to ground: No effect on voice output.
B12 YEL GND RG (Ground routs 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.
B13 GRY(1) MIC SH (Shield mic) Shield for terminals No. 6, 14 0 V If open: No effect on voice recognition.
If short to ground: No effect on voice recognition.
B14 PNK 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 round: 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.
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