Hummer H2. Manual — part 1425
Powertrain Control Module (PCM) - C2 Terminal Identification
69
PU/WH
1665
HO2S High Signal - Bank 1 Sensor 1
70
BN
1174
Oil Level Switch Signal
71
-
-
Not Used
72
YE
772
Transmission Range Switch Signal B
73
BN/WH
633
CMP Sensor Signal
74
YE
410
ECT Sensor Signal
75
PK
1020
Off/Run/Crank Voltage
76
BK/WH
845
Fuel Injector 5 Control
77
D-BU/WH
878
Fuel Injector 8 Control
78
-
-
Not Used
79
WH
687
3-2 Shift Solenoid Valve Control
80
GY
720
Low Reference
Connector Part Information
z
12191488
z
80-Way F Micro-Pack 100W Sealed (GN)
Pin
Wire Color
Circuit No.
Function
1
BK/WH
451
Ground
2
BN
418
TCC PWM Solenoid Valve Control
3-5
-
-
Not Used
6
RD/BK
1228
PC Solenoid Valve High Control (Sol. A)
7
-
-
Not Used
8
L-BU/WH
1229
PC Solenoid Valve Low Control (Sol. A)
9
D-GN/WH
465
Fuel Pump Relay Control
10
WH
121
Engine Speed Signal
11-13
-
-
Not Used
14
RD/BK
380
A/C Refrigerant Pressure Sensor Signal
2004 Hummer H2
2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2
15
BN
25
Charge Indicator Control
16
GY/BK
1694
4WD Low Signal
17-19
-
-
Not Used
20
L-GN/BK
822
VSS Low Signal
21
PU/WH
821
VSS High Signal
22-24
-
-
Not Used
25
TN
472
IAT Sensor Signal
26
PU
2121
IC 1 Control
27
RD
2127
IC 7 Control
28
L-BU/WH
2126
IC 6 Control
29
D-GN/WH
2124
IC 4 Control
30
-
-
Not Used
31
YE
492
MAF Sensor Signal
32
L-GN
432
MAP Sensor Signal
33
-
-
Not Used
34
D-GN/WH
428
EVAP Canister Purge Solenoid Control
35-38
-
-
Not Used
39
RD
631
12 Volt Reference
40
BK/WH
451
Ground
41
-
-
Not Used
42
TN/BK
422
TCC Solenoid Valve Control
43
D-GN/
WH
459
A/C Compressor Clutch Relay Control
44
-
-
Not Used
45
WH
1310
EVAP Canister Vent Solenoid Control
46
BN/WH
419
MIL Control
47
YE/BK
1223
Shift Solenoid B Valve Control
48
L-GN
1222
Shift Solenoid A Valve Control
49
-
-
Not Used
50
D-GN/WH
817
Vehicle Speed Signal
51
YE/BK
1227
TFT Sensor Signal
52
BN
2391
HO2S Heater Low Control - Bank 1 Sensor 2
53
RD/WH
3223
HO2S Heater Low Control - Bank 2 Sensor 2
54
PU/WH
1589
Fuel Level Sensor Signal
55-56
-
-
Not Used
57
BK
552
Low Reference
58
TN/WH
332
Oil Pressure Sensor Signal
59
PU
806
Crank Voltage
60
BN
2129
Low Reference
61
BN/WH
2130
Low Reference
62
GY
773
Transmission Range Switch Signal C
2004 Hummer H2
2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2
ENGINE CONTROLS CONNECTOR END VIEWS
Accelerator Pedal Position (APP) Sensor Terminal Identification
63
PK
1224
Transmission Fluid Pressure Switch Signal A
64
D-GN
890
Fuel Tank Pressure Sensor Signal
65
-
-
Not Used
66
PU/WH
2128
IC 8 Control
67
RD/WH
2122
IC 2 Control
68
D-GN
2125
IC 5 Control
69
L-BU
2123
IC 3 Control
70-71
-
-
Not Used
72
BK/WH
3113
HO2S Heater Low Control - Bank 1 Sensor 1
73
-
-
Not Used
74
L-GN
3212
HO2S Heater Low Control - Bank 2 Sensor 1
75
GY
23
Generator Field Duty Cycle Signal
76-79
-
-
Not Used
80
BK
2751
Low Reference
Connector Part Information
z
15318071
z
10-Way F Metri-Pack 150 Series (GY)
Pin
Wire Color
Circuit No.
Function
A
-
-
Not Used
B
PU
1272
5 Volt Reference
C
L-BU
1162
APP Sensor 2 Signal
D
TN
1274
Low Reference
E
BN
1271
Low Reference
F
D-BU
1161
APP Sensor 1 Signal
2004 Hummer H2
2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2
Camshaft Position (CMP) Sensor Terminal Identification
Crankshaft Position (CKP) Sensor Terminal Identification
G
WH/BK
1164
5 Volt Reference
H-K
-
-
Not Used
Connector Part Information
z
12059595
z
3-Way F Metri-Pack 150 Series Sealed (BK)
Pin
Wire Color
Circuit No.
Function
A
BN/WH
633
CMP Sensor Signal
B
PK/BK
632
Low Reference
C
RD
631
12 Volt Reference
Connector Part Information
z
15324165
z
3-Way F Metri-Pack 150 Series (WH)
Pin
Wire Color
Circuit No.
Function
2004 Hummer H2
2004 ENGINE PERFORMANCE Engine Controls (Introduction) - 4.8L, 5.3L, and 6.0L - Hummer H2
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