# 2002 VW Passat

| Pin Number | Color     | Type | Function                                     |
| ----------:|:-------- | ------- |:---------------------------------------------------- |
| 1   | ?       | gnd             | GND |
| 2   | ?       | gnd             | GND  |
| 3   | ?       | 12v             | +12v 10A fuse in start/run |
| 21  | ?       | low side        | Main Relay Control |
| 27  | ?       | gnd             | MAF Ground       |
| 28  | ?       | PWM             | (not on 2002) alternator load reporting for torque demand logic   |
| 29  | ?       |                ?| MAF signal      |
| 32  | ?       | gnd             | signal shield Ground       |
| 34  | ?       | analog          | Throttle Pedal Position #1 |
| 35  | ?       | analog          | Throttle Pedal Position #2 |
| 36  | ?       | gnd             | PPS Ground       |
| 58  | ORG/BRN | can             | CANL                |
| 60  | ORG/BLK | can             | CANH                  |
| 62  | ?       | 12v             | NO NEED FOR microRusEFI permanent +12v |
| 65  | ?       | low side       ?| Fuel pump relay  |
| 72  | GRY     |                ?| ?                |
| 82  | GRY     | vr              | Crank+ |
| 83  | GRN/VIO | 5v              | TPS Sensor Power     |
| 85  | ?       |                ?| IAT sensor       |
| 86  | ?       | hall           ?| Cam Sensor       |
| 90  | BLU     | vr              | Crank-           |
| 91  | GRY/BRN | gnd             | TPS Sensor Ground    |
| 93  | ?       |                ?| ?                |
| 98  |         | 5v              | Sensor Power     |
| 94  | ?       | high-side 5v    | Coil control #4  |
| 102 | BLU/RED | high-side 5v    | Coil control #1  |
| 108 |         | gnd             | Sensor Ground    |
| 115 |         | low side        | VVT camshaft adjustment valve   |
| 117 | ?       | H-bridge        | ETB              |
| 116 | ?       |                ?| (not on 2002) thermostat                |
| 118 | ?       | H-bridge        | ETB              |
| 121 | ?       | 12v             | +12v  from main relay |

![page1](OEM-Docs/VAG/2002_Passat/2002_passat_part1.png)
![page2](OEM-Docs/VAG/2002_Passat/2002_passat_part2.png)
![page3](OEM-Docs/VAG/2002_Passat/2002_passat_part3.png)

![page1](OEM-Docs/VAG/2002_Passat/2002_passat_ecu_wiring.png)