HFL-Navigation Microphone Inputs and Outputs
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
HFL-NAVIGATION MICROPHONE 7P CONNECTOR TERMINAL REFERENCE
| Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom |
|---|---|---|---|---|---|
| 1 | BLK | GND (Ground) (G401) | 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- (HFL mic signal negative) | Ground for microphone signal | 0V | 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+ (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 | PUR | HFL MUTE | HFL MUTE signal | 0-5 V | 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 ACC mode) | If open You can not operate voice control If short to ground Blows fuse No 18 (7 5 A) in the driver's 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 15(10A) in the under-hood fuse/relay box |