Navigation Unit Connector C (16P)
TERMINAL NUMBER AND WIRE COLOR DESCRIPTION
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 7 | RED | 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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| 8 | GRN | MICSIG + (HFL mic signal positive) | Microphone output signal positive | 4-5 V (navigation TALK button pressed) | If open: microphone signal shown as red in diagnostic screens: System Links and Functional Setup Mic Level. If short to ground: microphone signal shown as red in diagnostic screens: System Links and Functional Setup Mic Level. |
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| 12 | PUR | STRG SW (Navigation remote switches) | Steering 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. |
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| 13 | GRY(1) | RG-L SH (Route guidance shield) | Shield for terminals 14 | 0 V | If open: No effect on voice output. If short to ground: No effect on voice output. |
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| 14 | GRN | RG-L GND (Route guidance ground) | Ground for voice guidance, and Voice Recognition (VR) prompts | 0V | If open: No effect on voice output. If short to ground: No effect on voice output. |
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| 15 | GRY(1) | SH MIC (HFL mic signal shield) | Shield for terminals No. 8, 16 | 0V | If open: No effect on voice control. If short to ground: No effect on voice control. |
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| 16 | RED | MICSIG-(HFL mic signal negative) | Ground for microphone signal | 0 V | If open: microphone signal shown as red in diagnostics: System Links and Functional Setup Mic Level. If short to ground: No effect on voice recognition. |
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The color of the insulating tube, typically black or dark gray, may not match the color of the wire shown on the circuit diagram.