Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
ANC/Active Sound Control Unit Connector for Inputs and Outputs (2025)
2023 Acura MDX BaseSECTION ANC/Active Sound Control Unit Connector for Inputs and Outputs (2025)
NOTE:
The front ANC/active sound control microphone and the front HFL-ANC/active sound control microphone are the same parts.
ANC/Active Sound Control Unit 20P Connector (female terminals)
| Cavity | Terminal Name | Description |
|---|---|---|
| 1 | PGND | Ground for ANC/active sound control unit (G407) |
| 2 | SH_ANC_M_MIC | Shield for terminal No. 13 |
| 3 | SWD+B | Inputs signal for ANC/active sound control unit switching on/off |
| 4 | BF-CAN_H | Communication signal |
| 5 | BF-CAN_L | Communication signal |
| 6 | SH_ANC_R_MIC | Shield for terminal No. 17 |
| 7 | SH_ANC_F_MIC | Shield for terminal No. 18 |
| 8 | ANC_SH | Shield for terminals No. 9, No. 10, No. 19, and No. 20 |
| 9 | ANC_R- | Outputs noise cancelling signal/acceleration sound enhancement signal |
| 10 | ANC_F- | Outputs noise cancelling signal/acceleration sound enhancement signal |
| 11 | +B_AUDIO(VST) | Continuous power source |
| 12 | IG1_BACKUP(VST) | IG1 power source |
| 13 | ANC_M_MIC+8V | Inputs sound signal from middle ANC/active sound control microphone |
| 14 | K-LINE | Detects scan tool signal (serial data) |
| 15 | AUD_F_MIX_GND | Basis ground for terminal No. 16 |
| 16 | AUD_F_MIX | Inputs audio mixing signal for front channels |
| 17 | ANC_R_MIC+8V | Inputs sound signal from rear ANC/active sound control microphone |
| 18 | ANC_F_MIC+8V | Inputs sound signal from front ANC/active sound control microphone |
| 19 | ANC_R+ | Outputs noise cancelling signal/acceleration sound enhancement signal |
| 20 | ANC_F+ | Outputs noise cancelling signal/acceleration sound enhancement signal |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.