Navigation Unit Inputs and Outputs for Connector B (14P)
NAVIGATION UNIT INPUTS AND OUTPUTS FOR CONNECTOR B (14P)
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom | ||
|---|---|---|---|---|---|---|---|
| 2 | BLU | SAT BUS(+) (GA-NET) | Data bus (+) GA-Net | 0-5 V pulses average 2 5V depends on bus traffic | If open XM radio does not work If short to ground- XM radio, CD changer, Navigation buttons, and touch screen do not work. |
||
| 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 | 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". |
||
| 8 | PNK | SAT BUS (-) (GA-NET) | Data bus (-) GA-Net | 0-5 V pulses average 2.5 V depends on bus traffic | If open: XM radio does not work. If short to ground: XM radio, CD changer, Navigation buttons, and touch screen work OK. |
||
| 9 | BRN(1) | SAT BUS SH GND | Shield for No 2, 8 terminals | 0 V | If open No effect on XM radio. If short to ground: No effect on XM radio. |
||
| 10 | 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. |
||
| 11 | LT GRN(1) | RG SHIELD GND (Shield route guidance) | Shield for No 5, 12 terminals | 0 V | If open No effect on voice output. If short to ground: No effect on voice output. |
||
| 12 | BLU/RED | RG GND (Routs guidance ground) | 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 | LT BLU(1) | MIC SH (Mic shield) | Shield for No 6,14 terminals | 0 V | If open: No effect on voice recognition. If short to ground: No effect on voice recognition. |
||
| 14 | PNK | MIC GND (Mic ground) | 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 |
||
|
|||||||