BMW 5251 Service Manual page 433

130-43
Fuel Injection
]
I I I
12 llnput IFeedback signal, engine start /Starter
Table c. Siemens MS 42.0 and MS 43.0 ECM pin assignments (continued)
I I
-
I
13 Input
/ I
Alternator (generator)
Notes
Throttle valve
Crankshaft position sensor
Throttle valve (MS 42.0)
Throttle valve
Pin
6
7
8
9
10
11
14
15
16
17
18
19
20
I 1 -
I
23
l ~ r o u n d I ~ r o u n d , intaite air temperature sensor /Intake air temperature sensor
Signal
Output
Input
Input
Input
I I I
Component/function
Not used
Throttle valve supply potentiometer 2
Signal, crankshaft position sensor
Signal, pedal position sensor 2 (MS 42.0)
Signal, throttle position sensor 1
Not used
Ground
Ground
Input
Ground
Ground
Input
Ground
Cranltshaft position sensor
21
24
25
26
27
28
29
30
I 1 -
I
33
1
input ISignal, cylinder 1 fuel injector /cylinder 1 fuel injector
Ground, throttle position sensor (MS 42.0)
Ground, exhaust camshaftsensor I
Signal, pedal position sensor 1 (MS 42.0)
Ground, mass air flow sensor
Ground, intake camshaft sensor 1
Signal, throttle potentiometer 1
Ground, throttle position sensor
22
loutput I ~ i g n a l , intake air temperature Ilntake air temperature sensor
I I
-
I
Throttle valve (MS 42.0)
Camshaft position sensor I
Throttle valve (MS 42.0)
Hot film mass air flow sensor
Camshaft position sensor i
Throttle valve
Throttle valve
Ground
Output
Ground
Input
Output
Ground
Output
O u t ~ u t
Ground, crankshaft position sensor
Knoclt sensor
31
34
35
36
37
38
39
Signal, coolant temperature sensor
Ground, coolant temperature sensor
Signal, oil pressure
Signal, engine oil temperature sensor
Ground, engine oil temperature sensor
Signal, knock sensor
Signal, knock sensor
32 loutput ISignal, ltnock sensor l ~ n o c k sensor
40
41
Coolant temperature sensor
Coolant temperature sensor
Oil pressure switch
Oil temperature sensor
Oil temperature sensor
Knoclt sensor
I<noclt sensor
Output
Input
input
Input
Input
Input
Inout
Signal, knock sensor
Input
Input
Signal, cylinder 2 fuel injector
Signal, cylinder 3 fuel injector
Signal, cylinder 4 fuel injector
Signal, cylinder 5 fuel injector
Signal, cylinder 6 fuel injector
Sianai, oil level sensor
Cylinder 2 fuel injector
Cylinder 3 fuel injector
Cylinder 4 fuel injector
Cylinder 5 fuel injector
Cylinder 6 fuel injector
Oil level sensor
-
Signal. VANOS inlet valve
Signal. VANOS outlet valve
VANOS inlet valve
VANOS outlet valve