Ecm Circuit And Wiring Diagram 2012 Chevy Silverado
2001 silverado (Thanks Banker099)
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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.
Function1
BLK/WHT
451
Ground2
LT GRN
1867
12 Volt Reference3
PNK/BLK
1746
Fuel Injector 3 Control4
LT GRN/BLK
1745
Fuel Injector 2 Control5-10
--
--
Not Used11
LT BLU
1876
Knock Sensor 2 Signal12
DK BLU/WHT
1869
CKP Sensor Signal13
ORN/BLK
463
Requested Torque Signal14
ORN/BLK
1061
UART Serial Data [Secondary]15
DRK BLU/WHT
774
UART Serial Data [Tertiary]16
--
--
Not Used17
DK BLU
1225
Transmission Fluid Pressure Switch Signal B18
RED
1226
Transmission Fluid Pressure Switch Signal C19
PNK
439
Ignition 1 Voltage20
ORN
440
Battery Positive Voltage21
YEL
1868
Low Reference22
--
--
Not Used23
PPL
719
Low Reference24
--
--
Not Used25
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 Used28
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 Signal31
--
--
Not Used32
BLK/WHT
771
Transmission Range Switch Signal A33
PPL
420
TCC Brake Switch Signal34
WHT
776
Transmission Range Switch Signal P35
GRA
48
CPP Switch Signal36
BLK
1744
Injector 1 Control37
YEL/BLK
846
Injector 6 Control38
PNK/WHT
1101
Damping Lift/Dive Signal39
--
--
Not Used40
BLK/WHT
451
Ground41
BLK
407
Low Reference41
GRA
720
Low Reference (w/o Delphi HO2S)42
--
--
Not Used43
RED/BLK
877
Fuel Injector 7 Control44
LT BLU/BLK
844
Fuel Injector 4 Control45
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 Used51
DK BLU
496
KS [1] Signal52
--
--
Not Used53
BLK
470
Low Reference54
BLK
452
Low Reference55
BRN
1456
EGR Valve Position Signal56
--
--
Not Used57
ORN
440
Battery Positive Voltage58
DK GRN
1049
ECM/PCM/VCM Class 2 Serial Data59
YEL
710
Class 2 Serial Data60
ORN/BLK
469
Low Reference61
PNK/BLK
632
Low Reference62
--
--
Not Used63
GRA
720
Low Reference63
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)64
--
--
Not Used65
PPL
1670
HO2S High Signal [- Bank 2 Sensor 2]66
PPL
1666
HO2S High Signal [- Bank 2 Sensor 1]67
--
--
Not Used68
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 Signal71
--
--
Not Used72
YEL
772
Transmission Range Switch Signal B73
BRN/WHT
633
CMP Sensor Signal74
YEL
410
ECT Sensor Signal75
PNK
1020
Off/Run/Crank Voltage76
BLK/WHT
845
Fuel Injector 5 Control77
DK BLU/WHT
878
Fuel Injector 8 Control78
--
--
Not Used79
WHT
687
3-2 Shift Solenoid Valve Control80
ORN/BLK
510
Low Reference
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• TPA (RED) 12176410
• Connector Cover 12191108
Pin
Wire Color
Circuit No.
Function1
BLK/WHT
451
Ground2
BRN
418
TCC PWM Solenoid Valve Control3
TAN
1465
Fuel Pump Relay Control [- Secondary]4
--
--
Not Used5
TAN/BLK
464
Delivered Torque Signal6
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 Signal11
DK BLU
604
A/C High Pressure Recirculation Switch Signal12
--
--
Not Used13
LT BLU/BLK
396
Cruise Control Engaged Signal14
--
--
Not Used15
BRN
25
Charge Indicator Control16
GRY/BLK
1694
4WD Low Signal17
DK GRN/WHT
2523
A/C Request18
--
--
Not Used19
BLK/WHT
1695
Axle Switch Signal20
LT GRN/BLK
822
VSS Low Signal21
PPL/WHT
821
VSS High Signal22
RED/BLK
1230
AT ISS High Signal23
DK BLU/WHT
1231
AT ISS Low Signal24
--
--
Not Used25
TAN
472
IAT Sensor Signal26
PPL
2121
IC 1 Control27
RED
2127
IC 7 Control28
LT BLU/WHT
2126
IC 6 Control29
DK GRN/WHT
2124
IC 4 Control30
--
--
Not Used31
YEL
492
MAF Sensor Signal32
LT GRN
432
MAP Sensor Signal33
DK GRN
1614
Recirculation Actuator Control34
DK GRN/WHT
428
EVAP Canister Purge Solenoid Control35
--
--
Not Used36
BRN
436
AIR Pump Relay Control37-38
--
--
Not Used39
RED
631
12 Volt Reference40
BLK/WHT
451
Ground41
WHT
257
EGR Solenoid Control42
TAN/BLK
422
TCC Solenoid Valve Control43
DK GRN/WHT
459
A/C Compressor Clutch Relay Control44
--
--
Not Used45
WHT
1310
EVAP Canister Vent Solenoid Control46
BRN/WHT
419
MIL Control47
YEL/BLK
1223
(2-3 Shift Solenoid or Shift Soleniod B) Valve Control48
LT GRN
1222
(1-2 Shift Solenoid or Shift Soleniod A) Valve Control49
YEL/BLK
1827
Vehicle Speed Signal50
DK GRN/WHT
817
VSS Signal51
YEL/BLK
1227
TFT Sensor Signal52
GRA
23
Generator Field Duty Cycle Signal53
--
--
Not Used54
PPL
1589
Fuel Level Sensor Signal [- Primary]55
DK GRN
603
A/C Low Pressure Switch Signal56
--
--
Not Used57
BLK
552
Low Reference58-59
--
--
Not Used60
BRN
2129
Low Reference61
BRN/WHT
2130
Low Reference62
GRA
773
Transmission Range Switch Signal C63
PNK
1224
Transmission Fluid Pressure Switch Signal A64
DK GRN
890
Fuel Tank Pressure Sensor Signal65
--
--
Not Used66
PPL/WHT
2128
IC 8 Control67
RED/WHT
2122
IC 2 Control68
DK GRN
2125
IC 5 Control69
LT BLU
2123
IC 3 Control70-71
--
--
Not Used72
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 Used76
LT GRN/WHT
1749
IAC Coil B High Control77
LT GRN/BLK
444
IAC Coil B Low Control78
LT BLU/BLK
1748
IAC Coil A Low Control79
LT BLU/WHT
1747
IAC Coil A High Control80
LT GRN
Source: http://www.ls1truck.com/forums/lsx-truck-conversions/20236-pcm-pinout-diagrams.html
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