1999 BMW 540i X60003

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.-
/Fuel Injection
I ' I - I
9 /ln~ut l~oltaqe supply I Fuse carrier, engine electronics
Table
c. Siemens MS 42.0 and MS 43.0 ECM pin assignments (continued) I ' I . I
Connector X60002 24-pin
1 linput IHeater, precatalyst oxygen sensor 1 I Heated oxygen sensor 1 in front of cat. conv.
I I I
18 llnout IHeater, post-catalyst oxygen sensor 2 ]Heated oxygen sensor 2 behind cat. conv.
Notes
Ground connector
Ground connector
B+ terminal
Fuse carrier, engine electronics
Pin
5
6
7
8
I I I
4 loutput l~hrottle valve supply (MS
42.0) I~hrottle valve (MS 42)
Signal
Ground
Ground Input
lnout
19
20 21
22
23
24
Connector
1
2
3
I I I
5 1 lnput ISignal, intake camshaft position sensor /camshaft position sensor 1
Componentlfunction
Ground
Ground
Terminal 30
Voltaae
SUDP~V
input
Ground
Ground
Ground
Input
Ground
X60003 52-pin
Input
Input
~ -
Heater, post-catalyst oxygen sensor 2
Ground, precatalyst oxygen sensor
1
Ground, precatalyst oxygen sensor 2
Ground, post catalyst oxygen sensor
1
ECM (DME main) relay signal activation
Ground, post catalyst oxygen sensor 2
Signal, mass air
flow sensor
Signal, exhaust camshaft sensor
Not used Heated
oxygen sensor 2 behind cat.
conv.
Heated oxygen sensor 1 in front of cat. conv.
Heated oxygen sensor 2 in front of cat. conv.
Heated oxygen sensor
1 behind cat. conv.
ECM
Heated oxygen sensor 2 behind cat. conv.
Hot film mass air flow sensor
Camshaft position sensor

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Fuel lnjection
Table e. Bosch 5.2.1 ECM pin assignments
Pin
Isignal 1 Description 1 Note
Connector
X60003
1
2
3
4
5
6
7 8
9 10
11
12
13
14
15
16
17
18
19
20
21
ate alr empe
Output
Output
Output
Ground
Ground
Output
Output Input
Input
Input
Ground
22
23
24
25
26
27
28
29
30
Injection signal
Injection signal
Signal, evaporative emission valve
Not used
Not used
Ground for electronic components
Not used
Not used
Hot film mass air flow sensor ground
Throttle position sensor voltage supply
Signal, engine coolant temperature sensor
Hot
film mass air flow sensor signal
Throttle position sensor slider voltage
Shield, throttle potentiometer (DK) Not used
Injection signal
Injection signal
Not used
Not used
Input
Input
Input
Ground
Output
Output Evaporative emission
valve
Ground point right-hand drive
Ground connector
X6460
Hot film mass air flow sensor
Throttle position sensor
Signal, secondary air injection pump valve
Terminal
30 voltage supply
Alternator
D+ (terminal 61) signal
injection signal
Injection
signal
Not used
Not used
Not used
Not used
Camshaft position sensor signal
Ground Dual temperature switch
Hot film mass air flow sensor
Throttle position sensor
Throttle position sensor
Cylinder
8 fuel injection valve
Cylinder
5 fuel injection valve
Secondary air injection pump
valve
Starter
Alternator (generator)
Cylinder
7 fuel injection valve
Cylinder 6 fuel injection valve
Camshaft position sensor (Hall effect) Dual temperature
switch

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130-76
Fuel Injection
Bosch
ME 7.2 ECM pin assignments
Bosch ME 7.2 ECM connectors
X60001
X60002
X60003
X60004
X60005
Table e. Bosch ME 7.2 ECM pin assignments
Connector
X60001
I I I
8 1 lnput [Terminal 87 voltage supply I Fuse F1
9-pin, Black
24-pin, Black
52-pin, Black
40-pin, Black
9-pin,
Blaclc
I I I
9 I NO^ used I
Notes
Ground connector
X6460
Ground connector X6460
Pin 1
2 3
4
5
Connector X60002
Ground connector X6460 6
Pin
/Type I Descriptionlfunction 1 Notes
Type
Ground
Ground
7 llnput l~errninai 30 voltage supply I Fuse F4
Descriptionlfunction
Not used
Not used
Not used
Ground Ground
Ground Ground
1
2
3
4
5
6
7
8
9
10
11
12
13
. . - Ground Input
Input/
output
input/
Output
Ground
Ground
Ground
Ground
Ground
Ground Heated oxygen sensor, heater ground
Back-up
light signal
CAN-BUS Low
CAN-Bus High
Not used Not used
Heated oxygen sensor, heater ground
Heated oxygen sensor ground
Heated oxygen sensor ground
Heated oxygen sensor ground
Heated oxygen sensor ground
Not used
Heated oxvaen sensor, heater
ground
Heated oxygen sensor II behind catalylic converter
Baclcup light switch
Automatic transmission control module (AGS)
Automatic transmission control module (AGS)
Heated oxygen sensor
I behind catalytic converter
Heated oxygen sensor
II behind catalytic converter
Heated oxygen sensor I in front of catalytic converter
Heated oxygen sensor
II in front of catalytic converter
Heated oxygen sensor
I behind catalytic converter
Heated oxygen sensor
Ii in front of catalytic converter

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Fuel lnjection
I 1- I
4 /output l~em~erature signal. E-box fan I E-box fan
Connector
X60002 (continued)
14
15
16
17
18
19
20
21
22
23
24
5
6
7
8
9
10
11
12
13
14
15
16
Input
Input
Input
Input
Ground
Output Heated
oxygen sensor signal
Heated oxygen sensor signal
Heated oxygen sensor signal
Heated oxygen sensor signal
Not used
Heated oxygen sensor, heater ground
Not used
Not used
Not used
Terminal 85 control
Not used Heated oxygen sensor
II behind catalytic converter
Heated oxygen sensor
I in front of catalytic converter
Heated oxygen sensor
I1 in front of catalytic converter
Heated oxygen sensor
I behind catalytic converter
Heated oxygen sensor I in front of catalytic converter
Engine control module relay
Connector
X60003
Ground
Output Input
Ground
Output
Input
Input
Output
Output
Input
Pin 1
2
3
Not used
Ground for electronic components
Voltage supply for hot
film mass air flow sensor
Signal EDK (electric throttle actuator) Hot film mass air flow sensor, ground
Electric throttle actuator
Not used
Voltage signal, terminal 30h
Alternator
D+ (terminal 61) signal
Injection signal
Injection signal
VANOS valve, signal
Type
Output
Output
Output
Ground connector
X6460
Hot film mass air flow sensor
Electric throttle actuator
Hot film mass air flow sensor
Electric throttle actuator, voltage supply
Starter
Alternator (generator)
Cylinder
7 fuel injection valve
Cylinder 6 fuel injection valve
VANOS valve, cylinder
5-8
Descriptionlfunction
Injection signal
Injection signal
Signal evaporative emission valve Notes
Cylinder 2 fuel injector valve
Cylinder 3 fuel injector valve
Evaporative emission valve

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I Fuel Injection
Connector X60003 (continued) Electric throttle actuator
25
- 27 28
29
30
31
32
33
I I I
36 jlnput I Knoclc sensor 2, signal 1 Knock sensor
I I I
Input
26
Output
Output
input
Output
Input
I ' I . I
43 1 ln~ut I Electric throttle actuator, signal (Electric throttle actuator
Ground, electric throttle actuator
1 Not
used
Hot film mass air flow sensor
34
- 37
38
39
40
41
42
injection signal
Injection
signal
VANOS valve, signal
Not used
Thermostat characteristic map, signal
Crankshaft position sensor, signal
Not used
35 l~round I~nock sensor, shield 1 ~nock sensor
Cylinder
8 fuel injection valve
Cylinder
5 fuel injection valve
VANOS valve, cylinders
1-4
Characteristic map
Crankshaft positionlrpm sensor
input
input
Ground
Input
Output
Output
Innut
Hot film mass air flow sensor, signal
I
44
45 46
47
48
49
50
51
52
Connector )(GO004
Knock sensor 4, signal
Knock sensor, shield
Oil
level (thermal)
Injection, signal
Injection, signal
Electric throttle actuator, signal
Not used
Ground
Crankshaft position sensor, signal
Not used
Knoclc sensor, shield
Knock sensor
1, signal
Knock sensor
3, signal
Knock sensor, shield
Secondary air injection pump valve, signal
'
Ground
Input
Ground
input Input
Ground
Input
I' I ... I . ~
Knock sensor
Knocic sensor
Oil level sensor
Cylinder
4 fuel injection valve
Cylinder
1 fuel injection valve
Electric throttle actuator
Crankshaft sensor shield
Crankshaft
positionlrprn sensor
Knock sensor
Knock sensor
Knock sensor
Knock sensor
Secondary air injection pump valve
Notes
Instrument cluster
Integrated instrument cluster control
Secondary air injection pump
relay
Pin
1
2
3
Electric (auxiliary) cooling fan 4
Type
Output
Output
Outout
Descriptionlsignal type
Charge indicator signal (terminal
61)
Voltage signal, terminal 30h
Secondam air pump relay, activation
Input
5
Signal, electric (auxiliary) cooling fan, signal
I~ot used

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Fuel Injection I
Connector X60004 (continued)
8 10
11
12
13
14
15
16
9
Output 0
Input
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
39
llnput lsignal l~oolant outlet temperature sensor
Output
Output
Ground
Input
Output
I I - I
40 /output Istart signal Istarter relay
Pedal position sensor (PWG), signal
Output Input
Output
input
Input
Input
Input
Input
Input
input
Input
Output
Input/-output
Input/-output
37
Connector X60003
Pedal position sensor
Fuel pump relay, activation
Oil pressure indicator Pedal position sensor (PWG), ground
Pedal position sensor (PWG), signal
Pedal position sensor (PWG), power supply
Not used
Not used Fuel
pump relay
Instrument cluster
Pedal position sensor
Pedal position sensor
Pedal position sensor
Engine speed signal output (TD)
Not used
Signal
back-up light
DM-TL (diagnostic module,
tank leakage)
Signal oil level sensor
Right rear wheel speed, signal
Clutch pedal position switch, signal
Brake light switch, signal
Not used
Voltage supply, terminal
15
Data link, MFL (multi-function steering wheel)
Brake light test signal
AJC compressor signal
DM-TL (diagnostic module, tank
leakage)
Not used
Diagnosis signal
TxD
Communication link (EWS)
Not used
Not used
CAN-BUS hiqh
38 1 Ground l~round I Coolant outlet temperature sensor
OED II plug
Integrated instrument cluster control module (IKE)
Light module
ABSIDSC control module
Clutch pedal position switch
Brake light switch
Fuse
F14
Airbag contact coil spring
Brake light switch
Heating and
A/C control module
OBD
II plug
Electronic immobilizer (EWS)
CAN-Bus link
CAN-Bus link
Input/-output CAN-Bus low