Does anyone have a wiring schematic of the computer pins for an 2001 GMC Yukon if it matters the motor is a 6 liter!!! If someone could share that with me I would really appreciate it!!!

 

Someone has got to have this!!!

 

ttt......

 

Powertrain Control Module (PCM) C1 (BLU)



Connector Part Information
• PCM Connector C1 Assembly 12191489

• TPA (BLU) 12176408

• Connector Cover 12191108

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
451
Ground

2
LT GRN
1867
12 Volt Reference

3
PNK/BLK
1746
Fuel Injector 3 Control

4
LT GRN/BLK
1745
Fuel Injector 2 Control

5-10
--
--
Not Used

11
LT BLU
1876
Knock Sensor 2 Signal

12
DK BLU/WHT
1869
CKP Sensor Signal

13
ORN/BLK
463
Requested Torque Signal

14
ORN/BLK
1061
UART Serial Data [Secondary]

15
DRK BLU/WHT
774
UART Serial Data [Tertiary]

16
--
--
Not Used

17
DK BLU
1225
Transmission Fluid Pressure Switch Signal B

18
RED
1226
Transmission Fluid Pressure Switch Signal C

19
PNK
439
Ignition 1 Voltage

20
ORN
440
Battery Positive Voltage

21
YEL
1868
Low Reference

22
--
--
Not Used

23
PPL
719
Low Reference

24
--
--
Not Used

25
TAN
1671
HO2S Low Signal [- Bank 2 Sensor 1]

25
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)

26
TAN
1667
HO2S Low Signal [- Bank 2 Sensor 2]

26
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)

27
--
--
Not Used

28
TAN/WHT
1669
HO2S Low Signal [- Bank 1 Sensor 2]

28
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)

29
TAN/WHT
1653
HO2S Low Signal [- Bank 1 Sensor 1]

29
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)

30
LT GRN
1478
Coolant Level Switch Signal

31
--
--
Not Used

32
BLK/WHT
771
Transmission Range Switch Signal A

33
PPL
420
TCC Brake Switch Signal

34
WHT
776
Transmission Range Switch Signal P

35
GRA
48
CPP Switch Signal

36
BLK
1744
Injector 1 Control

37
YEL/BLK
846
Injector 6 Control

38
PNK/WHT
1101
Damping Lift/Dive Signal

39
--
--
Not Used

40
BLK/WHT
451
Ground

41
BLK
407
Low Reference

41
GRA
720
Low Reference (w/o Delphi HO2S)

42
--
--
Not Used

43
RED/BLK
877
Fuel Injector 7 Control

44
LT BLU/BLK
844
Fuel Injector 4 Control

45
GRA
474
5 Volt Reference (FTP Sensor)

46
GRY
474
5 Volt Reference (TPS Sensor)

47
GRY
597
5 Volt Reference (MAP Sensor)

48
GRA
596
5 Volt Reference (EGR Sensor)

49 50
--
--
Not Used

51
DK BLU
496
KS [1] Signal

52
--
--
Not Used

53
BLK
470
Low Reference

54
BLK
452
Low Reference

55
BRN
1456
EGR Valve Position Signal

56
--
--
Not Used

57
ORN
440
Battery Positive Voltage

58
DK GRN
1049
ECM/PCM/VCM Class 2 Serial Data

59
YEL
710
Class 2 Serial Data

60
ORN/BLK
469
Low Reference

61
PNK/BLK
632
Low Reference

62
--
--
Not Used

63
GRA
720
Low Reference

63
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)

64
--
--
Not Used

65
PPL
1670
HO2S High Signal [- Bank 2 Sensor 2]

66
PPL
1666
HO2S High Signal [- Bank 2 Sensor 1]

67
--
--
Not Used

68
PPL/WHT
1668
HO2S High Signal [- Bank 1 Sensor 2]

69
PPL/WHT
1665
HO2S High Signal [- Bank 1 Sensor 1]

70
BRN
1174
Oil Level Switch Signal

71
--
--
Not Used

72
YEL
772
Transmission Range Switch Signal B

73
BRN/WHT
633
CMP Sensor Signal

74
YEL
410
ECT Sensor Signal

75
PNK
1020
Off/Run/Crank Voltage

76
BLK/WHT
845
Fuel Injector 5 Control

77
DK BLU/WHT
878
Fuel Injector 8 Control

78
--
--
Not Used

79
WHT
687
3-2 Shift Solenoid Valve Control

80
ORN/BLK
510
Low Reference

 

Powertrain Control Module (PCM) C2 (RED)



Connector Part Information
• PCM Connector C2 Assembly 12191488

• TPA (RED) 12176410

• Connector Cover 12191108

Pin
Wire Color
Circuit No.
Function

1
BLK/WHT
451
Ground

2
BRN
418
TCC PWM Solenoid Valve Control

3
TAN
1465
Fuel Pump Relay Control [- Secondary]

4
--
--
Not Used

5
TAN/BLK
464
Delivered Torque Signal

6
RED/BLK
1228
PC Solenoid Valve High Control (Sol. A)

7
RED
1676
EGR Valve Supply Voltage (5 Volt)

8
LT BLU/WHT
1229
PC Solenoid Valve Low Control (Sol. A)

9
DK GRN/WHT
465
Fuel Pump Relay Control [- Primary]

10
WHT
121
Engine Speed Signal

11
DK BLU
604
A/C High Pressure Recirculation Switch Signal

12
--
--
Not Used

13
LT BLU/BLK
396
Cruise Control Engaged Signal

14
--
--
Not Used

15
BRN
25
Charge Indicator Control

16
GRY/BLK
1694
4WD Low Signal

17
DK GRN/WHT
2523
A/C Request

18
--
--
Not Used

19
BLK/WHT
1695
Axle Switch Signal

20
LT GRN/BLK
822
VSS Low Signal

21
PPL/WHT
821
VSS High Signal

22
RED/BLK
1230
AT ISS High Signal

23
DK BLU/WHT
1231
AT ISS Low Signal

24
--
--
Not Used

25
TAN
472
IAT Sensor Signal

26
PPL
2121
IC 1 Control

27
RED
2127
IC 7 Control

28
LT BLU/WHT
2126
IC 6 Control

29
DK GRN/WHT
2124
IC 4 Control

30
--
--
Not Used

31
YEL
492
MAF Sensor Signal

32
LT GRN
432
MAP Sensor Signal

33
DK GRN
1614
Recirculation Actuator Control

34
DK GRN/WHT
428
EVAP Canister Purge Solenoid Control

35
--
--
Not Used

36
BRN
436
AIR Pump Relay Control

37-38
--
--
Not Used

39
RED
631
12 Volt Reference

40
BLK/WHT
451
Ground

41
WHT
257
EGR Solenoid Control

42
TAN/BLK
422
TCC Solenoid Valve Control

43
DK GRN/WHT
459
A/C Compressor Clutch Relay Control

44
--
--
Not Used

45
WHT
1310
EVAP Canister Vent Solenoid Control

46
BRN/WHT
419
MIL Control

47
YEL/BLK
1223
(2-3 Shift Solenoid or Shift Soleniod B) Valve Control

48
LT GRN
1222
(1-2 Shift Solenoid or Shift Soleniod A) Valve Control

49
YEL/BLK
1827
Vehicle Speed Signal

50
DK GRN/WHT
817
VSS Signal

51
YEL/BLK
1227
TFT Sensor Signal

52
GRA
23
Generator Field Duty Cycle Signal

53
--
--
Not Used

54
PPL
1589
Fuel Level Sensor Signal [- Primary]

55
DK GRN
603
A/C Low Pressure Switch Signal

56
--
--
Not Used

57
BLK
552
Low Reference

58-59
--
--
Not Used

60
BRN
2129
Low Reference

61
BRN/WHT
2130
Low Reference

62
GRA
773
Transmission Range Switch Signal C

63
PNK
1224
Transmission Fluid Pressure Switch Signal A

64
DK GRN
890
Fuel Tank Pressure Sensor Signal

65
--
--
Not Used

66
PPL/WHT
2128
IC 8 Control

67
RED/WHT
2122
IC 2 Control

68
DK GRN
2125
IC 5 Control

69
LT BLU
2123
IC 3 Control

70-71
--
--
Not Used

72
BLK/WHT
3122
HO2S Heater Low Control [- Bank 2 Sensor 1]

73
DK BLU
1936
Fuel Level Sensor Signal [- Secondary]

74
LT GRN/WHT
3213
HO2S Heater High Control [- Bank 2 Sensor 1]

75
--
--
Not Used

76
LT GRN/WHT
1749
IAC Coil B High Control

77
LT GRN/BLK
444
IAC Coil B Low Control

78
LT BLU/BLK
1748
IAC Coil A Low Control

79
LT BLU/WHT
1747
IAC Coil A High Control

80
LT GRN
3212
HO2S Heater Low Control [- Bank 2 Sensor 1]