| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Not used | |
| | | |
| 2 | | Not used | |
| | | |
| 3 | E/A | CAN bus low On automatic only | Transmission control unit |
| | | |
| 4 | E/A | CAN bus high On automatic only | Transmission control unit |
| | | |
| 5 | | Not used | |
| | | |
| 6 | E/A | Diagnosis signal TXD On automatic only | Transmission control unit |
| | | |
| 7 | M | Ground Oxygen sensor heater in front of catalytic converter | Heated oxygen sensor before catalytic converter |
| | | |
| 8 | M | Ground Oxygen sensor heater behind catalytic converter | Heated oxygen sensor after catalytic converter |
| | | |
| 9 | M | Ground Oxygen sensor before catalytic converter | Heated oxygen sensor before catalytic converter |
| | | |
| 10 | | Not used | |
| | | |
| 11 | | Not used | |
| | | |
| 12 | | Not used | |
| | | |
| 13 | | Not used | |
| | | |
| 14 | M | Ground Oxygen sensor after catalytic converter | Heated oxygen sensor after catalytic converter |
| | | |
| 15 | | Not used | |
| | | |
| 16 | A | Signal Oxygen sensor after catalytic converter | Heated oxygen sensor after catalytic converter |
| | | |
| 17 | | Not used | |
| | | |
| 18 | E | Signal Oxygen sensor before catalytic converter | Heated oxygen sensor before catalytic converter |
| | | |
| 19 | | Not used | |
| | | |
| 20 | | Not used | |
| | | |
| 21 | | Not used | |
| | | |
| 22 | E | Signal Oxygen sensor heater behind catalytic converter | Heated oxygen sensor after catalytic converter |
| | | |
| 23 | E | Signal Activation, main relay | DME relay |
| | | |
| 24 | E | Signal Oxygen sensor heater in front of catalytic converter | Heated oxygen sensor before catalytic converter |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Signal Cyl. 2 fuel injection valve | Cyl. 2 fuel injection valve |
| | | |
| 2 | A | Signal Cyl. 1 fuel injection valve | Cyl. 1 fuel injection valve |
| | | |
| 3 | A | Supply Hot-film mass air flow sensor | Hot-film mass air flow sensor |
| | | |
| 4 | A | Supply Camshaft position sensor | Camshaft position sensor |
| | | |
| 5 | A | Activation, changeover valve | Changeover valve |
| | | |
| 6 | A | Supply Evaporative emission valve | Evaporative emission valve |
| | | |
| 7 | M | Ground Secondary air injection pump valve | Secondary air injection pump valve |
| | | |
| 8 | M | Ground Air mass sensor | Hot-film mass air flow sensor |
| | | |
| 9 | M | Ground Thermostat, characteristic map cooling | Thermostat, characteristic map cooling |
| | | |
| 10 | M | Ground Oil level sensor | Oil level sensor |
| | | |
| 11 | | Not used | |
| | | |
| 12 | E | Engine start signal feedback | Starter |
| | | |
| 13 | A | Signal Battery charge indicator lamp | Generator |
| | | |
| 14 | A | Signal Cyl. 4 fuel injection valve | Cyl. 4 fuel injection valve |
| | | |
| 15 | A | Signal Cyl. 3 fuel injection valve | Cyl. 3 fuel injection valve |
| | | |
| 16 | A | Supply Crankshaft position sensor | Crankshaft position sensor |
| | | |
| 17 | A | Supply Valve, sucking jet pump | Valve, sucking jet pump |
| | | |
| 18 | M | Ground Knock sensor | Knock sensor |
| | | |
| 19 | M | Ground Knock sensor | Knock sensor |
| | | |
| 20 | M | Ground Throttle position sensor | Throttle position sensor |
| | | |
| 21 | E | Signal Suction jet pump shut-off valve | Valve, sucking jet pump |
| | | |
| 22 | M | Ground Remote temperature sensor | Remote temperature sensor |
| | | |
| 23 | M | Ground Idle speed control valve | Idle speed control valve |
| | | |
| 24 | | Not used | |
| | | |
| 25 | | Not used | |
| | | |
| 26 | E | Signal Oil pressure | Oil pressure switch |
| | | |
| 27 | A | Reference voltage Hot-film mass air flow sensor | Hot-film mass air flow sensor |
| | | |
| 28 | A | Ground Remote temperature sensor | Remote temperature sensor |
| | | |
| 29 | E | Signal Intake air temperature | Hot-film mass air flow sensor |
| | | |
| 30 | E | Signal Air mass sensor | Hot-film mass air flow sensor |
| | | |
| 31 | A | Signal Knock sensor | Knock sensor |
| | | |
| 32 | A | Signal Knock sensor | Knock sensor |
| | | |
| 33 | E | Signal Throttle position sensor | Throttle position sensor |
| | | |
| 34 | | Not used | |
| | | |
| 35 | E | Signal Crankshaft position sensor | Crankshaft position sensor |
| | | |
| 36 | M | Ground Crankshaft position sensor | Crankshaft position sensor |
| | | |
| 37 | M | Ground Camshaft position sensor | Camshaft position sensor |
| | | |
| 38 | E | Signal Camshaft position sensor | Camshaft position sensor |
| | | |
| 39 | E | Signal Oil level sensor | Oil level sensor |
| | | |
| 40 | E | Signal Open idle speed control valve | Idle speed control valve |
| | | |
| 41 | E | Signal Close idle speed control valve | Idle speed control valve |
| | | |
| 42 | | Not used | |
| | | |
| 43 | A | Signal Thermostat, characteristic map cooling | Thermostat, characteristic map cooling |
| | | |
| 44 | E | Signal Evaporative emission valve | Evaporative emission valve |
| | | |
| 45 | E | Signal Changeover valve | Changeover valve |
| | | |
| 46 | A | Throttle valve supply | Throttle position sensor |
| | | |
| 47 | | Not used | |
| | | |
| 48 | E | Signal Cyl. 4 fuel injection valve | Cyl. 4 fuel injection valve |
| | | |
| 49 | E | Signal Cyl. 3 fuel injection valve | Cyl. 3 fuel injection valve |
| | | |
| 50 | E | Signal Cyl. 2 fuel injection valve | Cyl. 2 fuel injection valve |
| | | |
| 51 | E | Signal Cyl. 1 fuel injection valve | Cyl. 1 fuel injection valve |
| | | |
| 52 | A | Signal Secondary air injection pump valve | Secondary air injection pump valve |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Signal Battery charge indicator lamp | Instrument cluster control unit |
| | | |
| 2 | E | Engine start signal feedback | Instrument cluster control unit |
| | | |
| 3 | E | Signal Secondary air injection pump | Secondary air injection pump relay |
| | | |
| 4 | A | Signal Electric fan | Auxiliary fan motor |
| | | |
| 5 | | Not used | |
| | | |
| 6 | | Not used | |
| | | |
| 7 | | Not used | |
| | | |
| 8 | | Not used | |
| | | |
| 9 | | Not used | |
| | | |
| 10 | E | Signal Fuel pump relay 1 | Fuel pump relay 1 |
| | | |
| 11 | E | Signal Oil pressure switch | Instrument cluster control unit |
| | | |
| 12 | | Not used | |
| | | |
| 13 | | Not used | |
| | | |
| 14 | | Not used | |
| | | |
| 15 | | Not used | |
| | | |
| 16 | | Not used | |
| | | |
| 17 | E | Speed signal | Data link connector |
| | | |
| 18 | | Not used | |
| | | |
| 19 | | Not used | |
| | | |
| 20 | | Not used | |
| | | |
| 21 | E | Signal Oil level sensor | Instrument cluster control unit |
| | | |
| 22 | E | Signal Processed wheel speed, rear right | ABS/ASC unit |
| | | |
| 23 | | Not used | |
| | | |
| 24 | | Not used | |
| | | |
| 25 | | Not used | |
| | | |
| 26 | E | Terminal 15 | Fuse F29 |
| | | |
| 27 | | Not used | |
| | | |
| 28 | | Not used | |
| | | |
| 29 | E | Signal Relay, A/C compressor | Relay, A/C compressor |
| | | |
| 30 | E | Activation Leakage diagnosis pump For USA/MEX only | Leakage diagnosis pump |
| | | |
| 31 | | Not used | |
| | | |
| 32 | E/A | Signal Data link TXD | Data link connector |
| | | |
| 33 | E | Electronic vehicle immobilization | Electronic immobilizer control unit |
| | | |
| 34 | E | Signal Leakage diagnosis pump For USA/MEX only | Leakage diagnosis pump |
| | | |
| 35 | | Not used | |
| | | |
| 36 | E/A | Signal CAN bus high | Connector, CAN bus |
| | | |
| 37 | E/A | Signal CAN bus low | Connector, CAN bus |
| | | |
| 38 | M | Ground Coolant outlet temperature | Temperature sensor |
| | | |
| 39 | A | Signal Coolant outlet temperature | Temperature sensor |
| | | |
| 40 | | Not used | |
| | | |