Navigation unit connector B (16P) ('08-10 models)
NAVIGATION UNIT CONNECTOR B (16P) ('08-10 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 do not work. If short to ground: XM radio on the navi screen navigation buttons, and touch screen do not work. |
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| B7 | 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. |
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| B8 | 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. |
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| B10 | 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 do not work. If short to ground: XM radio on the navi screen navigation buttons, and touch screen do not work. |
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| B11 | WHT(1) | GA-NET ECU2 BUS SH | Shield for terminals No. 2, 10 | 0 V | If open: No effect on navigation or XM radio. If short to ground: No effect on navigation or XM radio. |
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| B12 | 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. |
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| B13 | GRY(1) | RG SH (Shield route guidance) | Shield for terminals No. 7, 14 | 0 V | If open: No effect on voice output. If short to ground: No effect on voice output. |
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| B14 | 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. |
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| B15 | GRY(1) | MIC SH (Shield mic) | Shield for terminals No. 8, 16 | 0 V | If open: No effect on voice recognition. If short to ground: No effect on voice recognition. |
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| B16 | 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 ground: No effect on voice recognition. |
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