Terminal Assignment of Control Unit Plug
Ter. 1 Ignition signal, ignition coil L 2 / Ter. 3
Ter. 2 Ground for ignition final stages
Ter. 3 Ground pulse, fuel pump relay K 44 / Ter. 85b
Ter. 4 Pulse, idle speed adjuster M 33
Ter. 5 Ground pulse, tank vent valve Y 34
Ter. 6 Unoccupied
Ter. 7 Signal lead, hot film mass air flow meter
Ter. 8 Unoccupied
Ter. 9 Signal lead, rear left wheel speed sensor
Ter. 10 Separate ground for oxygen sensor P 32
Ter. 11 Signal lead, knock sensor P 46
Ter. 1 Voltage supply from throttle valve potentiometer P 34
Ter. 13 Diagnostic excitation lead Ter. 6 in diagnostic plug X 13
Ter. 14 Ground for injector final stages
Ter. 15 Unoccupied
Ter. 16 Ground pulse for injector cylinder 3
Ter. 17 Ground pulse for injector cylinder 1
Ter. 18 Voltage supply for fault memory (permanent positive Ter. 30)
Ter. 19 Ground, electronics
Ter. 20 Ignition signal to ignition coil L 2 / Ter. 1
Ter. 21 Unoccupied
Ter. 22 Ground pulse for engine telltale
Ter. 23 Ground pulse for exhaust gas recirculation valve Y 18
Ter. 24 Ground, final stages, tank vent valve, engine telltale,
idle speed adjuster, fuel pump relay
Ter. 25 Ground pulse, AC relay K 60
Ter. 26 Pulse, idle speed adjuster M 33
Ter. 27 Voltage supply, control unit Ter. 15
Ter. 28 Signal lead, oxygen sensor P 32
Ter. 29 Unoccupied
Ter. 30 Ground, intake air temperature sensor; engine coolant sensor; throttle valve potentiometer; hot film mass air flow meter, knock sensor
Ter. 31 Unoccupied
Ter. 32 Unoccupied
Ter. 33 Unoccupied
Ter. 34 Ground pulse for injector cylinder 2
Ter. 35 Ground pulse for injector cylinder 4
Ter. 36 Unoccupied
Ter. 37 Voltage supply of control unit from voltage supply relay K 43 / Ter. 87
Ter. 38 Unoccupied
Ter. 39 Unoccupied
Ter. 40 Input signal, AC compressor
Ter . 41 Input, AC standby switch
Ter. 42 Transmission coding, MT ground
Ter. 43 Signal lead, tachometer
Ter. 44 Signal lead, intake air temperature sensor
Ter. 45 Signal lead, engine coolant sensor
Ter. 46 Ground pulse, injection system relay K 43 / Ter. 85
Ter. 47 Unoccupied
Ter. 48 Crankshaft pulse pick - up (ground)
Ter. 49 Crankshaft pulse pick - up (signal)
Ter. 50 Unoccupied
Ter. 51 Load reduction ignition retard signal from transmission control unit Ter. 52 Unoccupied
Ter. 53 Signal lead, throttle valve potentiometer P 34 / Ter. 3
Ter. 54 Output signal, throttle valve potentiometer for transmission control unit
| Ter. 55 Bidirectional data lead in diagnostic plug XD / Ter. 7 | |||
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