This will document the installation of a new 10" head unit.
20 pin connector attached to the screen
| Pin Number | Wire Colour (car) | Function |
|---|---|---|
| 1 | Grey/White | CAN Bus High |
| 2 | Brown/White | CAN Bus Low |
| 3 | Yellow | Microphone + |
| 4 | Red | Microphone Signal |
| 5 | Pink/White | Navigation On/Off |
| 6 | Red | Power |
| 7 | Black | Ground |
| 8 | Red | Screen Audio Left + |
| 9 | Yellow | Screen Audio Right + |
| 10 | Brown | Screen Audio – |
| 11 | Black | Screen Audio Shielding |
| 12 | Green/White | Speed Signal Pulse |
| 13 | Yellow | Navigation Voice + |
| 14 | Red | Navigation Voice – |
| 15 | Black | Navigation Voice Shielding |
| 16 | Black | Microphone Shielding |
| 17 | ||
| 18 | Red/White | Reverse Camera Video Signal |
| 19 | Yellow/White | Reverse Camera – |
| 20 | Brown/White | Reverse Camera + |
| 21 | Grey | Reverse Camera Shielding |
| 22 | ||
| 23 | ||
| 24 |
12 pin connector behind the glovebox
| Pin Number | Wire Colour | Function |
|---|---|---|
| 1 | Grey or Blue or Green | Left Rear Speaker + |
| 2 | Pink | Left Front Speaker & Tweeter + |
| 3 | Pink or White or Grey | Right Front Speaker & Tweeter + |
| 4 | – | – |
| 5 | Red | Fuse Box AA S14 (Fuse 14) |
| 6 | White or Green | Left Rear Speaker – |
| 7 | Green or White | Left Door Speaker & Tweeter – |
| 8 | Blue or Brown | Right Door Speaker & Tweeter – |
| 9 | Green or White | Right Rear Speaker + |
| 10 | White or Grey | Right Rear Speaker – |
| 11 | – | – |
| 12 | Black/Brown | Earth/Ground |
The ~32 pin under the dash is apparently unnecessary / unused. In case it's necessary, here's what's on it https://evilution.co.uk/mod/453-multimedia-radio-pin-out.htm
| Pin Number | Wire Colour | Function |
|---|---|---|
| 1 | – | – |
| 2 | Pink/White | Screen buttons pin 1, Audio gateway pin 11 |
| 3 | – | – |
| 4 | – | – |
| 5 | – | – |
| 6 | – | – |
| 7 | – | – |
| 8 | – | – |
| 9 | Brown | SD/USB reader |
| 10 | Red | SD/USB reader |
| 11 | – | – |
| 12 | – | – |
| 13 | Black | SD/USB reader |
| 14 | Yellow | Screen pin 13 |
| 15 | Red | Screen pin 14 |
| 16 | Black | Screen pin 11 |
| 17 | – | – |
| 18 | – | – |
| 19 | Grey/White | CAN Bus high network |
| 20 | Brown/White | CAN Bus low network |
| 21 | – | – |
| 22 | – | – |
| 23 | – | – |
| 24 | – | – |
| 25 | Grey | SD/USB reader |
| 26 | Yellow | SD/USB reader |
| 27 | – | – |
| 28 | – | – |
| 29 | Black | Screen pin 15 |
| 30 | Yellow | Screen pin 9 |
| 31 | Red | Screen pin 8 |
| 32 | Brown | Screen pin 10 |
The wiring of the 12 pin connector as coming from the android, which should match the zoe pins perfectly
| Pin Number | Wire Colour | Function |
|---|---|---|
| 1 | Brown | Speaker(with brown/stripe) |
| 2 | White | Speaker |
| 3 | Grey | Speaker |
| 4 | ||
| 5 | Yellow. | 12V Always |
| 6 | Black | Ground |
| 7 | ||
| 8 | Purple | Speaker |
| 9 | Purple/stripe | Speaker |
| 10 | Grey/Stripe | Speaker |
| 11 | White/stripe | Speaker |
| 12 | Brown/stripe | Speaker |
The canbus adapter
| PIN | Definition | Connected to Car | Connected to Main Unit | Remarks |
|---|---|---|---|---|
| 1 | MAIN_GND | A Seat: B17, B24 | GND | 0V |
| 2 | +BATT | B12 | +BATT | 12V |
| 3 | CAN_H | B1 | ||
| 4 | CAN_L | B13 | ||
| 5 | NC | |||
| 6 | ACC_IN | B11 | ACC Detection Input | 12V / 0V |
| 7 | REV_DET | A9 | Reverse Detection Input | 12V / 0V |
| 8 | SWC_IN | B4 | ||
| 9 | NC | |||
| 10 | NC | |||
| 11 | UART_RXD | Head Unit TXD (sends) | 3.3V or 5V | |
| 12 | UART_TXD | Head Unit RXD (receives) | 3.3V or 5V | |
| 13 | AUX_IN_R | To DVD Right Audio Out | (LINE OUT_R) | |
| 14 | AUX_IN_L | To DVD Left Audio Out | (LINE OUT_L) | |
| 15 | NC | |||
| 16 | AUX_IN_GND | To DVD Audio GND Output | (LINE OUT_GND) | |
| 17 | NC | |||
| 18 | Digital Audio Out A6 | |||
| 19 | Digital Audio GND A5 | |||
| 20 | Digital Audio Out A15 |