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surdu/OBD2

Last active May 2, 2020 23:21
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VW pinouts
Raw
cluster blue connector
| Pin | Description |
| --- | --------------------------------------------------------------------------------------------------------------------------------------- |
| 1 | terminal 15, positive |
| 2 | right turn signal indicator light (K94) |
| 3 | output signal 1 from electronic speedometer |
| 4 | open |
| 5 | fuel gauge (G1) |
| 6 | airbag malfunction indicator light |
| 7 | terminal 31, sender ground (GND) |
| 8 | engine coolant temperature gauge (G3) |
| 9 | terminal 31, ground (GND) |
| 10 | oil pressure switch (F1) |
| 11 | RPM signal - open from 05.99 production |
| 12 | generator warning light (K2), terminal 61 |
| 13 | glow plug indicator light (K29 - diesel only), control light for rear seat backrest lock from 05.99 production (only certain countries) |
| 14 | open |
| 15 | open |
| 16 | warning light for rear lid open (only certain countries) |
| 17 | headlight high beam indicator light (K1), terminal 56a |
| 18 | left signal indicator light (K54) |
| 19 | ABS warning light (K47) |
| 20 | instrument cluster illumination, terminal 58b |
| 21 | signal for open driver's door |
| 22 | engine coolant level (ECL) sensor (G32) |
| 23 | terminal 30, (B+) |
| 24 | terminal 31, ground (GND) |
| 25 | on-board diagnostic (K-wire) |
| 26 | parking light right, signal for "lights on" warning buzzer |
| 27 | parking light left, signal for "lights on" warning buzzer |
| 28 | speedometer vehicle speed sensor (VSS) (G22) |
| 29 | warning light for brake system fluid level |
| 30 | ignition key warning buzzer, terminal 86s |
| 31 | seat belt warning system |
| 32 | emission workshop lamp (only certain countries) - open from 05.99 production |
Raw
cluster green connector
| Pin | Description |
| --- | --------------------------------------------------------------------------------- |
| 1 | open |
| 2 | open - reading coil for immobilizer 1 (from 05.99 prod.) |
| 3 | open |
| 4 | open - data bus (CAN), shielding for input (from 05.99 prod.) |
| 5 | W-wire (where applicable) |
| 6 | low level washer fluid |
| 7 | brake pad indicator |
| 8 | external buzzer - open from 05.99 production |
| 9 | open |
| 10 | fuel reserve warning - open from 05.99 production |
| 11 | signal for vehicle stationary |
| 12 | air conditioning system cut-off - ECT signal |
| 13 | parking brake indicator light (K14) |
| 14 | warning light for traction control / vehicle stability |
| 15 | open |
| 16 | open |
| 17 | open - reading coil for immobilizer 2 (from 05.99 prod.) |
| 18 | open - oil temperature and oil level warning signals |
| 19 | open - data bus (CAN), high input signal (from 05.99 prod.) |
| 20 | open - data bus (CAN), low input signal (from 05.99 prod.) |
| 21 | open |
| 22 | open - input signal from hood alarm switch (from 05.99 prod.) |
| 23 | MFI call up button - top (display switches forward) |
| 24 | MFI call up button - bottom (display switches backward) |
| 25 | MFI memory switch - reset |
| 26 | ambient air temperature sensor |
| 27 | open - data bus (CAN), high output signal (from 05.99 prod.) |
| 28 | open - data bus (CAN), low output signal (from 05.99 prod.) |
| 29 | open |
| 30 | output signal 2 from electronic speedometer - open (from 05.99 prod.) - 3LB-CLOCK |
| 31 | selector lever display - open (from 05.99 prod.) - 3LB-DATA |
| 32 | fuel consumption signal - open (from 05.99 prod.) - 3LB-ENABLE |
Raw
cluster red connector
| Pin | Description |
| --- | ---------------------------- |
| 1 | open |
| 5 | screening, weight, Telematik |
| 6 | open |
| 12 | radio / Nav — Clock |
| 13 | radio / Nav — Data |
| 14 | open |
| 15 | radio / Nav — Enable |
| 16 | open |
Raw
OBD2
| Pin | Description | Pin | Description |
| --- | ---------------------- | --- | --------------------- |
| 1 | Not connected | 9 | Not connected |
| 2 | J1850 Bus + | 10 | J1850 Bus |
| 3 | Not connected | 11 | Not connected |
| 4 | Chassis Ground | 12 | Not connected |
| 5 | Signal Ground | 13 | Not connected |
| 6 | CAN (J-2234) High | 14 | CAN (J-2234) Low |
| 7 | ISO 9141-2 K-Line High | 15 | ISO 9141-2 K-Line Low |
| 8 | Not connected | 16 | Battery Power |
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