BMW 3 (E46). Manual - part 89

Connector X60002 24-pin black

Pin

Signal

Component/function

Notes

9

not used

10

not used

11

not used

12

Input

Signal, 3/2-way valve,
running losses (MS
42.0)

3/2 way valve, running losses
(MS 42.0)

13

Input

Heater, precatalyst
oxygen sensor 2

Heated oxygen sensor 2 in
front of catalytic converter

14

Input

Signal, precatalyst
oxygen sensor 1

Heated oxygen sensor 1 in
front of catalytic converter

15

Input

Signal, precatalyst
oxygen sensor 2

Heated oxygen sensor 2 in
front of catalytic converter

16

Input

Signal, post-catalyst
oxygen sensor 1

Heated oxygen sensor 1
behind catalytic converter

17

not used

18

Input

Signal, post-catalyst
oxygen sensor 2

Heated oxygen sensor 2
behind catalytic converter

19

Input

Heater, post catalyst
oxygen sensor 2

Heated oxygen sensor 2
behind catalytic converter

20

Ground

Ground, precatalyst
oxygen sensor 1

Heated oxygen sensor 1 in
front of catalytic converter

21

Ground

Ground, precatalyst
oxygen sensor 2

Heated oxygen sensor 2 in
front of catalytic converter

22

Ground

Ground, post-catalyst
oxygen sensor 1

Heated oxygen sensor 1
behind catalytic converter

23

Input

DME main relay signal
activation

DME main relay

24

Ground

Ground, post-catalyst
oxygen sensor 2

Heated oxygen sensor 2
behind catalytic converter

Connector X60003 52-pin black

Pin

Signal

Component/function

Notes

1

Input

Signal, mass air flow

Hot film mass air flow sensor

Connector X60003 52-pin black

Pin

Signal

Component/function

Notes

sensor

2

Input

Signal, exhaust
camshaft sensor 1

Camshaft position sensor II

3

Input

Signal, suction jet pump
valve (2.8 L, 3.0 L)

Suction jet pump valve

4

Output

Throttle valve supply
(MS 42.0)

Throttle valve (MS 42.0)

5

Input

Signal, intake camshaft
position sensor

Camshaft position sensor I

6

not used

7

Output

Throttle valve supply

Throttle valve

8

Input

Signal, crankshaft
position sensor

Crankshaft position sensor

9

Input

Signal, pedal position
sensor 2 (MS 42.0)

Throttle valve (MS 42.0)

10

Input

Signal, throttle position
potentiometer 2

Throttle valve

11

not used

12

Input

Feedback signal,
engine start

Starter

13

Input

Signal, battery charge
indicator lamp

Generator (Alternator)

14

Ground

Ground, throttle position
sensor (MS 42.0)

Throttle valve (MS 42.0)

15

Ground

Ground, exhaust
camshaft sensor 1

Camshaft position sensor II

16

Input

Signal, pedal position
sensor 1 (MS 42.0)

Throttle valve (MS 42.0)

17

Ground

Ground, mass air flow
sensor

Hot film mass air flow sensor

18

Ground

Ground, intake
camshaft sensor 1

Camshaft position sensor I

Connector X60003 52-pin black

Pin

Signal

Component/function

Notes

19

Input

Signal, throttle
potentiometer 1

Throttle valve

20

Ground

Ground, throttle position
sensor

Throttle valve

21

Ground

Ground, crankshaft
position sensor

Crankshaft position sensor

22

Output

Signal, intake air
temperature

Intake air temperature sensor

23

Ground

Ground, intake air
temperature sensor

Intake air temperature sensor

24

Output

Signal, coolant
temperature sensor

Coolant temperature sensor

25

Ground

Ground, coolant
temperature sensor

Coolant temperature sensor

26

Input

Signal, oil pressure

Oil pressure switch

27

Output

Signal, engine oil
temperature

Oil temperature sensor

28

Ground

Ground, engine oil
temperature sensor

Oil temperature sensor

29

Output

Signal, knock sensor

Knock sensor

30

Output

Signal, knock sensor

Knock sensor

31

Output

Signal, knock sensor

Knock sensor

32

Output

Signal, knock sensor

Knock sensor

33

Input

Signal, cylinder 1 fuel
injector

Cylinder 1 fuel injector

34

Input

Signal, cylinder 2 fuel
injector

Cylinder 2 fuel injector

35

Input

Signal, cylinder 3 fuel
injector

Cylinder 3 fuel injector

36

Input

Signal, cylinder 4 fuel
injector

Cylinder 4 fuel injector

37

Input

Signal, cylinder 5 fuel
injector

Cylinder 5 fuel injector

Connector X60003 52-pin black

Pin

Signal

Component/function

Notes

38

Input

Signal, cylinder 6 fuel
injector

Cylinder 6 fuel injector

39

Input

Signal, oil level sensor

Oil level sensor

40

Input

Signal, VANOS inlet
valve

VANOS inlet valve

41

Input

Signal, VANOS outlet
valve

VANOS outlet valve

42

Input

Signal, evaporative
emissions valve

Evaporative emissions valve

43

Input

Signal, throttle valve
drive

Throttle valve

44

Input

Signal, throttle valve
drive

Throttle valve

45

Input

Signal, engine coolant
thermostat

Engine coolant thermostat
(map controlled)

46

Input

Signal, close idle speed
control valve

Idle speed control valve

47

Input

Signal, open idle speed
control valve

Idle speed control valve

48

Ground

Signal shield, knock
sensor

Shield, knock sensor

49

Input

Signal, resonance valve
intake system

Resonance valve intake system

50

not used

51

not used

52

Input

Signal, secondary air
injection pump valve

Secondary air injection valve

Connector X60004 40-pin black

Pin

Signal

Component/function

Notes

1

Input

Signal, battery charge
indicator lamp

Instrument cluster control unit