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Terminal Assignment of Control Unit Plug
Ter. 1 Ignition
signal to ignition coil L 2 / Ter. 1
Ter. 2 Ground,
ignition final stages
Ter. 3 Ground
pulse, fuel pump relay K 44 / Ter. 86
Ter. 4 Ground
pulse, idle speed adjuster M 33
Ter. 5 Ground
pulse, controlled canister purge valve Y 34
Ter. 6 Ground
pulse, intake manifold valve 1 Y 46
Ter. 7 Signal
lead, hot film mass air flow meter
Ter. 8 Signal
lead, cylinder recognition Hall sensor P 47 / Ter. 2
Ter. 9 Signal
lead, rear left wheel speed sensor
Ter. 10 Separate
ground for oxygen sensor 1 / 2 P 32 / P 36
Ter. 11 Signal
lead, knock sensor 1 P 46
Ter. 12 Voltage
supply, from throttle valve potentiometer P 34
Ter. 13 Diagnostic
excitation lead Ter. 6 in diagnostic plug XD
Ter. 14 Ground
for injector final stages
Ter. 15 Ground
pulse for injector cylinder 5
Ter. 16 Ground
pulse for injector cylinder 2
Ter. 17 Ground
pulse for injector cylinder 1
Ter. 18 Voltage
supply of fault memory (permanent positive Ter. 30)
Ter. 19 Ground,
electronics
Ter. 20 Ignition
signal to ignition coil L 2 / Ter. 2
Ter. 21 Ignition
signal to ignition coil L 2 / Ter. 3
Ter. 22 Ground
pulse for engine telltale H 30
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. 6
Ter. 26 Ground
pulse, secondary air pump relay K 12 / Ter. 26
Ter. 27 Voltage
supply, control unit Ter. 15
Ter. 28 Signal
lead, oxygen sensor 1 P 32
Ter. 29 Signal
lead, knock sensor 2 P 46
Ter. 30 Ground,
air temperature sensor, engine temperature sensor, throttle valve
potentiometer, hot film mass air flow meter, knock sensor, exhaust gas
recirculation response potentiometer
Ter. 31 Unoccupied
Ter. 32 Unoccupied
Ter. 33 Ground
pulse for injector cylinder 6
Ter. 34 Ground
pulse for injector cylinder 4
Ter. 35 Ground
pulse for injector cylinder 3
Ter. 36 Unoccupied
Ter. 37 Voltage
supply of control unit from injector relay K 43 / Ter. 87
Ter. 38 Input
signal, Traction Control (TC) injection signal deactivation
Ter. 39 Unoccupied
Ter. 40 Input
signal, AC compressor
Ter. 41 Input
switch, AC standby
Ter. 42 Transmission
coding, MT ground
Ter. 43 Signal
lead, tachometer
Ter. 44 Signal
lead, intake air sensor
Ter. 45 Signal
lead, coolant sensor
Ter. 46 Ground
pulse, injection system relay K 43 / Ter. 85
Ter. 47 Signal
lead, oxygen sensor 2 P 36
Ter. 48 Inductive
pulse pick - up (ground)
Ter. 49 Inductive
pulse pick - up (signal)
Ter. 50 Signal
lead, exhaust gas recirculation response potentiometer
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 X D / Ter. 7
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