( TL19E00J36100000000CAAT20 )

HFT/Navigation Microphone Inputs and Outputs
HFT/Navigation Microphone 7P Connector

Terminal Number | Wire Color | Terminal Name | Description | Voltage (about) | Symptom
--- | --- | --- | --- | --- | ---
1 | BLK | GND (Ground) (G501) | Ground for HFT/navigation microphone | 0 V | If open: You can not operate voice recognition. If short to ground: No effect on voice recognition.
2 | BRN | MIC− (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 | YEL | MIC+ (HFL mic signal positive) | Microphone output signal positive | 8 V | 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 | HFT MUTE | HFT MUTE signal | 0−5 V | If open: You cannot operate HFT sound. If short to ground: You cannot operate audio sound.
6 | PUR | ACC (Accessory) | Power source for accessory | Battery voltage at ACC (I) | If open: You cannot 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 cannot operate HFT and voice control. If short to ground: Blows fuse No. 15 (10 A) in the under-hood fuse/relay box.