Astra
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Terminal Assignment of Control Unit Plugs
Terminal Assignment of Control Unit (continued)
Ter. 1 Ignition signal to ignition coil L 1/Ter. 1 Ter. 2 Ground of ignition final stage Ter. 3 Ground pulse of fuel pump relay Ter. 85b Ter. 4 Ground pulse of idle speed adjuster M 33 Ter. 5 Ground pulse of fuel tank vent valve Y 34 Ter. 6 Engine speed output signal (TD-Signal) to control unit of automatic transmission AR 25/35 Ter. 11 or AF 14/20 Ter. 29 Ter. 7 Signal of air flow meter P 11/Ter. 2 Ter. 8 Unoccupied or signal of hall sensor Ter. 2 (C 30 SE) Ter. 9 Signal lead of odometer frequency sensor (only occupied with LCD instrument, board computer, radio SC 804) Ter. 10 Separate ground of oxygen sensor P 32 Ter. 11 Unoccupied or knock sensor 1 Ter. 2 (C 30 SE) Ter. 12 Voltage supply from air flow meter and throttle valve potentiometer (+5V) Ter. 13 Diagnostic excitation lead Ter. B in diagnostic plug X 13 Ter. 14 Ground for both injection valve final stages Ter. 15 Unoccupied Ter. 16 Ground pulse for injection valves (cylinder 1 + 2) of final stage 1 or cylinder 1 - 3 Ter. 17 Ground pulse for injection valves (cylinder 3 + 4) of final stage 2 or cylinder 4 - 6 Ter. 18 Voltage supply of fault memory (permanent positive Ter. 30) Ter. 19 Ground of electronics Ter. 20 Exhaust gas coding US' 83 unoccupied, ECE to ground Ter. 21 Transmission coding, for AT vehicles to ground Ter. 22 Ground pulse of engine telltale Ter. 23 Unoccupied or air conditioning compressor cut-off relay Ter. 24 Ground of final stages, tank ventilation, engine telltale, idle speed adjuster, twin relay Ter. 25 Unoccupied Ter. 26 Ground of air flow meter, temperature sensor, throttle valve potentiometer, octane number Ter. 27 Voltage supply of control unit Ter. 15 Ter. 28 Signal lead of oxygen sensor P 32 (only occupied with closed loop catalytic converters) Ter. 29 Unoccupied or knock sensor 2, Ter. 2 (C 30 SE) Ter. 30 Unoccupied or knock sensor 1, Ter. 1 (C 30 SE) Ter. 31 Unoccupied or hall sensor (+Ubat) Ter. 3 (C 30 SE) Ter. 32 Ti output signal for board computer Ter. 33 Unoccupied or collector pipe switching - ground - (C 30 SE) Ter. 34 Unoccupied or throttle valve potentiometer (PWM) to control unit AR 25/35 Ter. 55 or AF 14/20 Ter. 25 Ter. 35 Unoccupied Ter. 36 Ground pulse main relay Ter. 85 Ter. 37 Voltage supply of control unit from main relay Ter. 87 Ter. 38 Unoccupied Ter. 39 Unoccupied or external programming lead Ter. 40 AC compressor input switch (+Ubat) Ter. 41 AC stand-by switch input (+Ubat) Ter. 42 Transmission coding, AT: unoccupied, MT: ground Ter. 43 Idle speed CO potentiometer signal lead (ECE only) Ter. 44 Intake air temperature sensor signal lead Ter. 45 Coolant temperature sensor signal lead Ter. 46 Octane number adjustment coding plug or unoccupied (C 30 SE) Ter. 47 Unoccupied or transmission oil temperature switch (ground) Ter. 48 Inductive pulse pick-up (signal) Ter. 49 Inductive pulse pick-up (ground); for C 24 NE, MY '89 terminals 47 to 49 are exchanged Ter. 50 Unoccupied Ter. 51 Transmission engagement signal from control unit AR 25/35 Ter. 4 or AF 14/20 Ter. 13 Ter. 52 Unoccupied Ter. 53 Throttle valve potentiometer signal lead Ter. 3 Ter. 54 Unoccupied or engine oil temperature switch Ter. 55 Bidirectional data lead in diagnostic plug Ter. G
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