Pin | Type | Description / Signal type | Connection / Measuring notes |
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1 | M | Ground Oxygen sensor heater | Heated oxygen sensor 1 in front of catalytic converter |
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2 | E | Reversing light signal | Reversing light switch |
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3 | | Not used | |
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4 | | Not used | |
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5 | M | Oxygen sensor ground, Shield Oxygen sensors | Heated oxygen sensor 1 in front of catalytic converter, Heated oxygen sensor 1 behind catalytic converter, Heated oxygen sensor 2 in front of catalytic converter, Heated oxygen sensor 2 behind catalytic converter |
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6 | | Not used | |
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7 | M | Oxygen sensor ground | Heated oxygen sensor 1 behind catalytic converter |
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8 | A | Activation Pressure accumulator valve | Pressure accumulator valve |
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9 | | Not used | |
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10 | | Not used | |
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11 | | Not used | |
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12 | A | Temperature signal, E-box fan | Fan, E-box |
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13 | M | Oxygen sensor ground | Heated oxygen sensor 2 in front of catalytic converter |
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14 | E | Oxygen sensor signal | Heated oxygen sensor 1 in front of catalytic converter |
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15 | E | Oxygen sensor signal | Heated oxygen sensor 2 in front of catalytic converter |
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16 | E | Oxygen sensor signal | Heated oxygen sensor 1 behind catalytic converter |
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17 | | Not used | |
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18 | E | Oxygen sensor signal | Heated oxygen sensor 2 behind catalytic converter |
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19 | M | Oxygen sensor ground | Heated oxygen sensor 2 behind catalytic converter |
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20 | E | Signal Switch, gear recognition | Switch, gear recognition |
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21 | | Not used | |
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22 | | Not used | |
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23 | A | Activation terminal 85 | DME relay |
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24 | | Not used | |
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Pin | Type | Description / Signal type | Connection / Measuring notes |
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1 | E | Signal, hot-film air mass meter | Hot-film air mass meter I |
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2 | E | Signal, camshaft sensor | Camshaft sensor I exhaust |
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3 | A | Activation Oil pump 2 | Oil pump 2 |
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4 | A | Activation VANOS valve, cylinders 1-4 | VANOS inlet, cylinder 1-4, advance |
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5 | E | Signal, camshaft sensor | Camshaft sensor I inlet |
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6 | E | Signal, camshaft sensor | Camshaft sensor II exhaust |
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7 | A | Supply: Hot-film air mass meter I, hot-film air mass meter II, throttle potentiometer 1 | Hot-film air mass meter I Hot-film air mass meter II Throttle potentiometer 1 |
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8 | E | Signal Crankshaft sensor | Crankshaft sensor |
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9 | E | Signal, camshaft sensor | Camshaft sensor II inlet |
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10 | E | Throttle potentiometer signal | Throttle potentiometer 2 |
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11 | A | Activation Oil pump 1 | Oil pump 1 |
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12 | E | Voltage signal, terminal 30h | Starter |
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13 | E | Signal, alternator D+ (terminal 61) | Alternator |
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14 | A | Positive supply for throttle potentiometer | Throttle potentiometer 2 |
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15 | | Not used | |
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16 | | Not used | |
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17 | M | Ground Hot-film air mass meter I Hot-film air mass meter II | Hot-film air mass meter I Hot-film air mass meter II |
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18 | E | Signal, hot-film air mass meter | Hot-film air mass meter II |
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19 | | Not used | |
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20 | M | Ground Throttle potentiometer 1, Throttle potentiometer 2 | Throttle potentiometer 1 Throttle potentiometer 2 |
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21 | E | Crankshaft sensor ground | Crankshaft sensor |
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22 | E | Signal Intake air temperature | Hot-film air mass meter II |
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23 | E | Throttle potentiometer signal | Throttle potentiometer 1 |
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24 | E | NTC signal, water | Dual temperature sensor |
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25 | M | Ground | Ground connector |
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26 | | Not used | |
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27 | A | Negative activation Fuel injector 7 | Fuel injector 7 |
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28 | A | Negative activation Fuel injector 8 | Fuel injector 8 |
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29 | E | Knock sensor signal | Knock sensor Cylinders 1 and 2 |
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30 | E | Knock sensor signal | Knock sensor Cylinders 7 and 8 |
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31 | E | Knock sensor signal | Knock sensor Cylinders 3 and 4 |
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32 | E | Knock sensor signal | Knock sensor Cylinders 5 and 6 |
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33 | A | Negative activation Fuel injector 1 | Fuel injector 1 |
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34 | A | Negative activation Fuel injector 2 | Fuel injector 2 |
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35 | A | Negative activation Fuel injector 3 | Fuel injector 3 |
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36 | A | Negative activation Fuel injector 4 | Fuel injector 4 |
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37 | A | Negative activation Fuel injector 5 | Fuel injector 5 |
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38 | A | Negative activation Fuel injector 6 | Fuel injector 6 |
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39 | E | Oil level - thermal | Oil level sensor |
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40 | A | Positive activation VANOS outlet, cylinders 5-8 | VANOS outlet cylinder 5-8, retard |
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41 | A | Positive activation VANOS outlet, cylinders 5-8 | VANOS outlet cylinder 5-8, advance |
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42 | A | Negative activation Charcoal filter valve | Charcoal filter valve |
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43 | A | Positive activation VANOS outlet, cylinders 1-4 | VANOS outlet cylinder 1-4, retard |
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44 | A | Positive activation VANOS outlet, cylinders 1-4 | VANOS outlet cylinder 1-4, advance |
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45 | A | Positive activation VANOS valve, cylinders 5-8 | VANOS inlet cylinder 5-8, advance |
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46 | A | Idle actuator closing winding | Idle actuator |
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47 | A | Idle actuator opening winding | Idle actuator |
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48 | A | Positive activation VANOS valve, cylinders 5-8 | VANOS inlet cylinder 5-8, retard |
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49 | | Not used | |
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50 | A | Positive activation VANOS valve, cylinders 1-4 | VANOS inlet cylinder 1-4, retard |
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51 | | Not used | |
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52 | A | Negative activation Secondary air pump valve | Secondary air pump valve |
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Pin | Type | Description / Signal type | Connection / Measuring notes |
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1 | A | Battery charge indicator lamp signal (terminal 61) | Instrument cluster |
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2 | A | Voltage signal, terminal 30h | Integrated electronic control unit (IKE) |
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3 | A | Activation, secondary air pump relay | Secondary air pump relay |
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4 | A | Signal Electric fan | Electric fan |
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5 | | Not used | |
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6 | E | Start signal terminal 50 | Start button switch |
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7 | M | Ground Pedal position sensor 1 | Pedal position sensor |
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8 | E | Signal Pedal position sensor 1 | Pedal position sensor |
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9 | A | Supply Pedal position sensor 1 | Pedal position sensor |
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10 | A | Activation, fuel pump relay (EKP) | EKP relay |
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11 | A | Oil pressure indicator lamp | Instrument cluster |
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12 | M | Ground Pedal position sensor 2 | Pedal position sensor |
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13 | E | Signal Pedal position sensor 2 | Pedal position sensor |
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14 | A | Supply Pedal position sensor 2 | Pedal position sensor |
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15 | E | Signal Driving dynamics ON | Driving dynamics switch |
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16 | A | Switch monitor | Driving dynamics switch |
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17 | A | Engine speed signal output (TD) | Diagnostic connector |
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18 | A | Heating activation | Fuel tank leak diagnosis module, heated |
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19 | A | Signal Reversing light | Instrument cluster |
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20 | | Not used | |
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21 | A | Signal Oil level sensor | Light module |
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22 | E | Rear right speed signal | ABS/DSC control unit |
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23 | | Not used | |
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24 | E | Brake light switch signal | Brake light switch |
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25 | | Not used | |
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26 | E | Voltage supply, terminal 15 | Fuse F21 |
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27 | E | Data link MFL | Cruise control module |
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28 | A | Solenoid valve activation | Fuel tank leak diagnosis module, heated |
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29 | E | A/C compressor signal | Relay, magnetic clutch |
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30 | A | Engine activation | Fuel tank leak diagnosis module, heated |
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31 | | Not used | |
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32 | E/A | Diagnosis signal TXD 2 | Diagnostic connector |
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33 | E/A | Communication link (EWS) | Electronic immobilizer control unit (EWS) |
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34 | E | Brake light test signal | Brake light switch |
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35 | | Not used | |
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36 | E/A | CAN-bus high | CAN link |
| | |
37 | E/A | CAN-bus low | CAN link |
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38 | M | Ground Temperature sensor | Coolant outlet temperature sensor |
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39 | E | Signal Temperature sensor | Coolant outlet temperature sensor |
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40 | A | Start signal | Start relay |
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