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
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