Terminal Assignment of Engine Control Unit Wiring Harness Plug (Motronic Wiring Harness)
| A1 | Sensor ground P30, P34, P44, P47, Y18 |
|---|
| A2 | Knock sensor P46, potential-free B |
| A3 | Intake air temperature (from P44) |
| A4 | Idle speed, throttle valve adjuster Y26 |
| A5 | Coolant temperature sensor P30 |
| A6 | Injector 1 Y7-1 |
| A7 | Injector 3 Y7-3 |
| A8 | Oxygen sensor heating P32 |
| A9 | Shielded ground P32, P35, P47 |
| A10 | Ignition module L2 (igniter 2) |
| A11 | Knock sensor P46, potential-free A |
| A12 | Hot film mass air flow meter P44 |
| A13 | Throttle valve potentiometer P34 (sliding contact) |
| A14 | Exhaust gas recirculation valve Y18 (EGR pot. feedback) |
| A15 | Unoccupied |
| A16 | Injector 2, Y7-2 |
| A17 | Unoccupied |
| A18 | Oxygen sensor heating P32 |
| A19 | Ignition module L2 (igniter 3) |
5.8.2 Terminal Assignment of Engine Control Unit Wiring Harness Plug (Motronic Wiring Harness)
| A20 | Unoccupied |
|---|
| A21 | Reference ground, oxygen sensor P32 |
| A22 | Crankshaft pulse pick-up (B) P35 |
| A23 | Camshaft sensor P47 |
| A24 | Exhaust gas recirculation Y18 (relay) |
| A25 | Exhaust gas recirculation Y18 (relay) |
| A26 | Throttle valve adjuster Y26 |
| A27 | Unoccupied |
| A28 | Unoccupied |
| A29 | Sensor supply P34, P44, P47 and Y18 |
| A30 | Oxygen sensor P32 (sensor signal) |
| A31 | Unoccupied |
| A32 | Crankshaft pulse pick-up (A) P35 |
| A33 | Unoccupied |
| A34 | Tank vent valve Y34 |
| A35 | Throttle valve adjuster Y26 |
| A36 | Unoccupied |
| A37 | Reference ground, idle switch |
| A38 | Ignition module L2 (igniter 1) |
