HFL-Navigation Microphone Inputs and Outputs
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
HFL-NAVIGATION MICROPHONE 7P CONNECTOR
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | BLK | GND (Ground) (G601) | Ground for HFL-navigation microphone | 0V | If open: You can not operate voice recognition. If short to ground: No effect on voice recognition. |
| 2 | BLU | MIC IN- (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. |
| 3 | PNK | MIC IN+ (HFL mic signal positive) | Microphone output signal positive | 8V | If open: microphone signal shown as red in diagnostics: 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. |
| 5 | LT GRN | HFL MUTE | HFL MUTE signal | 0-5V | If open: You can not operate HFL sound. If short to ground: You can not operate audio sound. |
| 6 | PUR | ACC (Accessory) | Power source for accessory | Battery voltage at ACCESSORY (I) | If open: You can not operate voice control. If short to ground: Blows fuse No. 32 (10 A) in the under-dash fuse/relay box. |
| 7 | WHT | + B (+ B Power source) | Continuous power source | Battery voltage | If open: You can not operate HFL and voice control. If short to ground: Blows fuse No. 7 (10 A) in the under-dash fuse/relay box. |