ECM
Gray
Item C3
Cavity
Circuit
1
331
2
2705
8
410
10
6270
16
7301
17
2755
24
2761
25
6272
26
6271
27
2122
28
2124
29
2123
30
2121
31
2129
32
7300
33
527
34
5300
35
5273
39
5284
40
5282
46
4802
48
4803
50
4804
52
4801
53
5301
54
5297
55
5296
59
6753
60
6754
66
4902
68
4903
70
4904
72
4901
73
451
These specifications are intended as a supplement to GM service manuals. It is not the intent of these specifications to replace the
comprehensive and detailed service practices explained in the GM service manuals.
The information contained in this publication is presented without any warranty. All the risk for its use is entirely assumed by the user. Specific
component design, mechanical procedures, and the qualifications of individual readers are beyond the control of the publisher, and therefore
the publisher disclaims all liability incurred in connection with the use of the information provided in this publication.
Chevrolet, Chevy, the Chevrolet Bow Tie Emblem, General Motors, and GM are all registered trademarks of the General Motors Corporation.
LTG Crate Engine Controls System
TITLE
ALL INFORMATION WITHIN ABOVE BORDER TO BE PRINTED EXACTLY AS SHOWN ON 8 1/2 x 11
WHITE 16 POUND BOND PAPER. PRINT ON BOTH SIDES, EXCLUDING TEMPLATES.
TO BE UNITIZED IN ACCORDANCE WITH GM SPECIFICATIONS.
Size(mm)
Color
0.5
YE/BN
0.5
WH/RD
0.5
BU
0.5
VT/BU
0.5
YE
0.5
BK/VT
0.5
BK/BN
0.5
BK/VT
0.5
GN
0.5
BU/WH
0.5
YE/BU
0.5
GN/BU
0.5
BU/VT
0.5
BK/BU
0.5
VT/BK
0.5
YE/VT
0.5
GY/BU
0.5
VT/BK
0.5
VT/BN
0.75
GY/BU
0.75
BU
0.75
GN
0.75
GY/BU
0.75
BN
0.5
BK/GN
0.5
GY/YE
0.5
BK/GY
0.5
BK/BN
0.5
BK/VT
0.75
BU/GY
0.75
GN/GY
0.75
BU/WH
0.75
BN/WH
2
BK/WH
Circuit Description
Oil Pressure Sensor Signal
Oil Pressure Sensor 5 Volt Reference
Engine Coolant Temperature Sensor Signal
Crankshaft 60X Sensor Voltage
High Pressure Fuel Pump Actuator High - Control
Oil Pressure Sensor Low Reference
Coolant Temperature Sensor Low Reference
Crankshaft 60X Sensor Low Reference
Crankshaft 60X Sensor Signal
Ignition Control (2)
Ignition Control (4)
Ignition Control (3)
Ignition Control (1)
Ignition Control Low Reference Bank 1
High Pressure Fuel Pump Actuator Low - Control
Camshaft Position Intake Sensor (1)
Camshaft Position Intake Supply Voltage (1)
Camshaft Position Exhaust Sensor (1)
Camshaft Phaser Intake Solenoid (1)
Camshaft Phaser Exhaust Solenoid (1)
Direct Fuel Injector (DFI) High Voltage Control Cylinder (2)
Direct Fuel Injector (DFI) High Voltage Control Cylinder (2)
Direct Fuel Injector (DFI) High Voltage Control Cylinder (4)
Direct Fuel Injector (DFI) High Voltage Control Cylinder (1)
Camshaft Position Intake Sensor Low Reference (1)
Camshaft Position Exhaust Supply Voltage (1)
Camshaft Position Exhaust Sensor Low Reference (1)
Cam Phaser W Return Low Reference
Cam Phaser X Return Low Reference
Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2
Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3
Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4
Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1
Signal Ground
REV 03JA17
PART NO.
DATE
01DE14
Initial Release - William Duncan
03JA17
Revision - Blake Nye
19328840
SHEET
REVISION
12
38
OF
AUTH
N/A
N/A