| No. | Connector A | Connector B | Connector C |
|---|---|---|---|
| 1 | Rear left speaker (+) | - | - |
| 2 | Front left speaker (+) | - | - |
| 3 | Front right speaker (+) | - | Camera GND |
| 4 | Rear right speaker (+) | Steering remote | Camera video input |
| 5 | - | - | - |
| 6 | - | USB D(+) | - |
| 7 | - | USB/iPod VDD | - |
| 8 | Illumination (+) | AUX R Input | - |
| 9 | - | AUX gorund | - |
| 10 | Rear left speaker (-) | MIC(+) (Bluetooth) | Camera battery (+) |
| 11 | Front left speaker (-) | ACC | Power GND |
| 12 | Front right speaker (-) | B(+) | Gear R |
| 13 | Rear right speaker (-) | - | - |
| 14 | - | - | - |
| 15 | - | Auto light | - |
| 16 | - | Vehicle speed | - |
| 17 | Illumination (-) | Remote GND | |
| 18 | Remote antenna | USB D(-) | |
| 19 | USB/iPod GND | ||
| 20 | AUX detect | ||
| 21 | AUX L Input | ||
| 22 | MIC(-) (Bluetooth) | ||
| 23 | - | ||
| 24 | Power GND |
Check for resistance between terminals in each switch position.
SWC switches
| Switch | Resistance (±5%) |
|---|---|
| Seek up | 430 Ω |
| Seek down | 1.1 kΩ |
| Mode | 2.11 kΩ |
| Mute | 3.11 kΩ |
| Volume up | 4.61 kΩ |
| Volume down | 6.81 kΩ |
correct
incorrect
