Electrical Component and Inline Harness Connector End Views
7-173
K20 Engine Control Module X2 (cont'd)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
57
0.5
BK / GN
2919
Fuel Rail Pressure Sensor Low Reference
II
—
58
0.5
BU / WH
2918
Fuel Rail Pressure Sensor Signal
II
—
59
0.5
BN / RD
2917
Fuel Rail Pressure Sensor 5V Reference
II
—
60
0.5
GY / RD
2704
Manifold Absolute Pressure Sensor 5V
Reference
II
—
61
0.5
GN / WH
432
Manifold Absolute Pressure Sensor Signal
II
—
62
0.5
BK / GN
469
Manifold Absolute Pressure Sensor Low
Reference
II
—
63 - 68
—
—
—
Not Occupied
—
—
69
0.5
BN / BU
2926
Exhaust Aftertreatment Fuel Injector High
Control
II
—
70
—
—
—
Not Occupied
—
—
71
0.5
VT / BU
6091
Crankshaft Position Sensor Replicated Signal
II
—
72
0.5
VT / BN
2927
Exhaust Aftertreatment Fuel Injector Low
Control
II
—
73
—
—
—
Not Occupied
—
—
74
0.5
YE
581
Throttle Actuator Open Control
II
—
75
0.5
BN / WH
582
Throttle Actuator Close Control
II
—
76
0.75
BK / YE
2834
Fuel Rail Pressure Solenoid Valve Low
Reference
I
—
77 - 79
—
—
—
Not Occupied
—
—
80
0.5
BK
D40
Cavity Seal
II
—
81
0.5
BK
D41
Cavity Seal
II
—
82
0.5
BK
D42
Cavity Seal
II
—
83
—
—
—
Not Occupied
—
—
84
0.5
BK / VT
6272
Crankshaft Position Sensor Low Reference
II
—
85
0.5
GN
6271
Crankshaft Position Sensor Signal
II
—
86
0.5
VT / BU
6270
Crankshaft Position Sensor Voltage
II
—
87
0.5
BN / GN
1174
Oil Level Switch Signal
II
—
88 - 90
—
—
—
Not Occupied
—
—
91
0.5
BU / GN
7071
Fuel Heater Control
II
—
92
0.5
BN / VT
3656
EGR Cooler Bypass Valve Close Control
II
—
93
0.5
YE / GN
3655
EGR Cooler Bypass Valve Open Control
II
—
94
0.5
VT / BK
5746
Exhaust Gas Recirculation Valve Low Control
II
—
95
0.5
WH / VT
5764
Exhaust Gas Recirculation Valve High Control
II
—
96
0.75
BU / WH
2530
Fuel Rail Pressure Solenoid Valve Control
I
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual