Siemens 5WY 2 Connector Pinout

From OpenGK

GK20-ECM-Socket.png


Note: SIMK41 and SIMK43 pinouts are different! Using the wrong ECM or harness will result in damage to your vehicle! Use at your own risk. Verify the type of ECM and harness before proceeding.

SIMK41 2MBit (MAP)

ECM Socket 81-pin
Pin Type Description Notes
1 Ground Ground
2 Ground Ground
3 Input Memory Power Supply (ECM Fuse)
4 Output Ignition Coil #1
5 Output Ignition Coil #2
6 I/O CANBUS Low
7 I/O CANBUS High
8 Output O2 Sensor Heater Control
9 Output O2 Sensor Heater control
10 Input Knock Sensor
11
12
13
14 Input Battery (From SNSR Fuse)
15
16
17 Input Wheel Speed Sensor (Right Front)
18 Input Wheel Speed Sensor (Right Front)
19
20
21 Input Battery (From SNSR Fuse)
22 Input On/Start Input
23 Output Injector #4 Control
24 Output Injector #1 Control
25
26 Output Canister Purge Valve Control
27 Ground Crankshaft Position Sensor Ground
28
29 Input Crankshaft Position Sensor Signal
30 Ground Knock Sensor and Camshaft Shared Ground
31 Input Engine Coolant Temperature Input
32 Input Throttle Position Signal (TPS)
33 Input Fuel Tank Pressure Sensor Signal
34 Ground Fuel Tank Pressure Sensor Ground
35
36
37
38 Ground Throttle Position Ground
39 Input Vehicle Speed Input
40
41
42 Input O2 Sensor Signal Bank 1 Sensor 2
43 Input O2 Sensor Signal Bank 1 Sensor 1
44 Output Fuel Tank Pressure Sensor and Manifold Absolute Pressure Shared Power
45 Output Throttle Position Power
46
47 I/O Immobilizer W-Line
48 Ground Manifold Absolute Pressure Ground
49
50 Input Air Conditioner Signal Input
51 Input Air Conditioner Pressure Switch Input
52
53
54
55 Ground Ignition Coil Shield Ground
56 Input Intake Air Temperature Signal
57
58 Input Air Conditioner Switch On
59 Ground O2 Sensor and Engine Coolant Temperature Shared Ground
60 Input Manifold Absolute Pressure Signal
61 Output Injector #3 Control
62 Output Injector #2 Control
63
64 Output Fan Relay Control (High)
65 Output Fan Relay Control (Low)
66 Output Engine RPM Signal
67 Input Engine Control Relay Control
68 Output Air Conditioner Relay Control
69 Output Fuel Pump Relay Control
70 Output MIL Indicator Control
71
72 Input Camshaft Sensor Signal
73
74
75 Output Injector Signal
76
77 I/O Diagnostics K-Line (OBD2)
78 Output Idle Air Control Valve (Open)
79 Output CCV Control
80 Output Idle Air Control Valve (Close)
81 Output Immobilizer Indicator Control

SIMK43 4MBit (MAF)

ECM Socket 81-pin
Pin Type Description Notes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81