I am in need of a pinout/diagram for both a E38 and E40 ECM. If anyone can help me here I would appreciate it. I have searched everywhere.
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I am in need of a pinout/diagram for both a E38 and E40 ECM. If anyone can help me here I would appreciate it. I have searched everywhere.
2005 Corvette
Engine Control Module (ECM) - C1 (MM6)
Pin
Wire Color
Circuit No.
Function
1
TN/BK
2500
High Speed GMLAN Serial Data Bus+
2
TN
2501
High Speed GMLAN Serial Data Bus-
3
--
--
Not Used
4
BN/WH
419
MIL Control
5-6
--
--
Not Used
7
BN
1271
Low Reference
8
PU
1272
Low Reference
9
--
--
Not Used
10
WH/BK
448
Ignition 1 Relay Control
11-12
--
--
Not Used
13
YE/BK
625
Starter Enable Relay Control
14
PK
439
Ignition 1 Voltage
15-17
--
--
Not Used
18
YE
43
Accessory Voltage
19
PK
1439
Ignition 1 Voltage
20
RD/WH
2440
Battery Positive Voltage
21
D-GN/WH
817
Vehicle Speed Signal
22
D-BU
1161
APP Sensor 1 Signal
23
--
--
Not Used
24
D-GN
890
Fuel Tank Pressure Sensor Signal
25
--
--
Not Used
26
OG/BK
380
A/C Refrigerant Pressure Sensor Signal
27-28
--
--
Not Used
29
TN
1274
5-Volt Reference
30
GY
2700
5-Volt Reference
31
GY
2709
5-Volt Reference
32
WH
17
Stop Lamp Switch Signal
33-34
--
--
Not Used
35
WH/BK
1164
5-Volt Reference
36
D-GN
335
Cooling Fan Speed Control
37
D-BU
1936
Fuel Level Sensor Signal - Primary
38
--
--
Not Used
39
L-BU
1937
Fuel Level Sensor Signal - Secondary
40
--
--
Not Used
41
L-BU
1162
APP Sensor 2 Signal
42
L-GN
1652
Reverse Lockout Solenoid Control
43
GY
48
CPP Switch Signal
44
--
--
Not Used
45
D-GN/WH
465
Fuel Pump Relay Control - Primary
46-47
--
--
Not Used
48
WH
121
Engine Speed Signal
49-50
--
--
Not Used
51
PU/WH
1035
Starter Relay Coil Supply Voltage
52-53
--
--
Not Used
54
WH
1310
EVAP Canister Vent Solenoid Control
55
BK/WH
2751
Low Reference
56
--
--
Not Used
Hmm...that copy/paste didn't work and the preview function lied. :bash:
Service manuals are your friend. More later; it's food time!
2005 Corvette Engine Control Module (ECM) - C1 (MM6)
Thanks your the bomb. Anyone have anything for the E38?
I have the same problem...Quote:
Originally Posted by SinisterSS
The bulletin board software used to display pasted-in html correctly, but now it just blindly converts it all to DOS text... ughhh... :bash:
Chad,
get a hold of me I have the OEM service manuals if it helps.
HT
Email would be great as well. chad at green light motorsports dot com