Head Unit A42*1B Connector End View
Pin Assignments At Plug Connector A42*1B
| Pin | Type | Description /Signal type | Connection /Measuring information |
|---|---|---|---|
| 1 | A | Low frequency signal, rear right (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 1 | A | Low frequency signal, rear right (not used with Top-HiFi) stereo | Woofer, front right |
| 1 | A | Low frequency signal, rear right (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 2 | A | Low frequency signal, front right (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 2 | A | Low frequency signal, front right (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 2 | A | Low frequency signal, front right (not used with Top-HiFi) stereo | Mid-range speaker, front right |
| 3 | A | Low frequency signal, front left (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 3 | A | Low frequency signal, front left (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 3 | A | Low frequency signal, front left (not used with Top-HiFi) stereo | Mid-range speaker, front left |
| 4 | A | Low frequency signal, rear left (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 4 | A | Low frequency signal, rear left (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 4 | A | Low frequency signal, rear left (not used with Top-HiFi) stereo | Woofer, front left |
| 5 | A | Low frequency signal, rear right (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 5 | A | Low frequency signal, rear right (not used with Top-HiFi) stereo | Woofer, front right |
| 5 | A | Low frequency signal, rear right (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 6 | A | Low frequency signal, front right (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 6 | A | Low frequency signal, front right (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 6 | A | Low frequency signal, front right (not used with Top-HiFi) stereo | Mid-range speaker, front right |
| 7 | A | Low frequency signal, front left (not used with Top-HiFi) stereo | Mid-range speaker, front left |
| 7 | A | Low frequency signal, front left (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 7 | A | Low frequency signal, front left (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 8 | A | Low frequency signal, rear left (not used with Top-HiFi) with HiFi amplifier | HiFi amplifier |
| 8 | A | Low frequency signal, rear left (not used with Top-HiFi) with Active Sound Design | Active Sound Design |
| 8 | A | Low frequency signal, rear left (not used with Top-HiFi) stereo | Woofer, front left |
| 9 | E/A | K-CAN bus signal | Terminating resistor 2 |
| 10 | -- | Not used | |
| 11 | E/A | K-CAN bus signal | Terminating resistor 2 |
| 12 | M | Ground | Ground point |
| 13 | A | Radio signal ON | Active Sound Design |
| 13 | A | Radio signal ON | HiFi amplifier without Active Sound Design |
| 14 | E | Signal Locator lighting | Connector 58g |
| 15 | E | Power supply, terminal 30B | Fuse F61 |
| 16 | -- | Not used | |
| 17 | E | Signal Microphone | Microphone without telematics |
| 17 | A | Microphone, positive connection | Telematic Communication Box |
| 18 | A | Microphone, positive connection | Microphone 2 |
| 19 | A | Microphone, negative connection | Microphone 2 |
| 20 | -- | Not used | |
| 21 | E | FBAS signal | Reversing camera |
| 22 | E | Signal Microphone | Microphone without telematics |
| 22 | E | Microphone, negative connection | Telematic Communication Box |
| 23 | M | Shield | Reversing camera |
| 24 | E | FBAS signal | Reversing camera |
| 25 | M | Shield | Components corresponding to equipment |
| 26 | -- | Not used | |
| 27 | -- | Not used | |
| 28 | -- | Not used | |
| 29 | E/A | Ethernet data line | Body Domain Controller |
| 30 | E | Low frequency signal | AUX-IN connection |
| 31 | E/A | Ethernet data line | Body Domain Controller |
| 32 | E/A | Ethernet data line | Body Domain Controller |
| 33 | M | Shield | Microphone |
| 33 | M | Shield | Telematic Communication Box with telematics |
| 34 | -- | Not used | |
| 35 | E | Low frequency signal | AUX-IN connection |
| 36 | M | Ground, AUX-IN connection | AUX-IN connection |
| 37 | E/A | Ethernet data line | Body Domain Controller |
| 38 | E/A | Ethernet data line | Body Domain Controller |
| 39 | -- | Not used | |
| 40 | -- | Not used |