2000 [CORVETTE] LSX PCM PINOUTS

 

PCM Connector C1 Assembly 12191489 / TPA (BLU) 12176408 / Connector Cover 12191108

Pin / Wire Color / Circuit No. / Function

 

1 BLK/WHT 451 PCM Ground

2 LT GRN 1867 Crankshaft Position Sensor B+ Supply

3 PNK/BLK 1746 Injector 3 Control

4 LT GRN/BLK 1745 Injector 2 Control

5-6 -- -- Not Used

7 GRY 596 Engine Oil Pressure Sensor 5V Reference

8-10 -- -- Not Used

11 LT BLU 1876 Knock Sensor Signal Rear

12 DK BLU/WHT1869 Crankshaft Position Sensor Signal

13 ORN/BLK 463 Requested Torque Signal

14 TAN 800 Throttle Actuator Control Serial Data

15 ORN/BLK 1061 Throttle Actuator Control Serial Data

16 -- -- Not Used

17 DK BLU 1225 Transmission Range Signal B (Automatic Transmission Only)

18 RED 1226 Transmission Range Signal C (Automatic Transmission Only)

19 PNK 239 PCM Ignition Supply

20 ORN 340 PCM Battery Supply

21 YEL/BLK 1868 Crankshaft Position Sensor Ground

22 -- -- Not Used

23 GRY 720 Sensor Ground

24 -- -- Not Used

25 TAN 1671 HO2S Signal Low Bank 2 Sensor 2

26 TAN 1667 HO2S Signal Low Bank 2 Sensor 1

27 -- -- Not Used

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

29 TAN/WHT 1653 HO2S Signal Low Bank 1 Sensor 1

30-31 -- -- Not Used

32 BLK/WHT 771 PRND A Input Signal (Automatic Transmission Only)

33 PPL 420 TCC Brake Switch (Automatic Transmission Only)

34 WHT 776 PRND P Input Signal (Automatic Transmission Only)

35 GRY 48 Clutch Switch (Manual Transmission Only)

36 BLK 1744 Injector 1 Control

37 YEL/BLK 846 Injector 6 Control

38 PNK/WHT 1101 Powertrain Induced Chassis Pitch Signal (if so equipped)

39 -- -- Not Used

40 BLK/WHT 451 PCM Ground

41 -- -- Not Used

42 DK GRN 335 Engine Cooling Fan Relay 1 Control

43 RED/BLK 877 Injector 7 Control

44 LT BLU/BLK 844 Injector 4 Control

45 GRY 474 A/C Refrigerant Pressure Sensor 5V Reference

46 GRY 598 Fuel Tank Pressure Sensor 5V Reference

47 -- -- Not Used

48 GRY 416 MAP Sensor 5V Reference

49-50 -- -- Not Used

51 DK BLU 496 Knock Sensor Signal Front

52 -- -- Not Used

53 ORN/BLK 1057 Transmission Temperature Sensor Ground

54 ORN/BLK 469 MAP Sensor Ground

55-56 -- -- Not Used

57 ORN 340 PCM Battery Supply

58 DK GRN 1049 Serial Data

59 -- -- Not Used

60 BLK 407 A/C Refrigerant Pressure Sensor Ground

61 PNK/BLK 632 Camshaft Position Sensor Ground

62 GRY 847 Extended Travel Brake Switch Signal

63 BLK 452 Engine Oil Pressure Sensor Ground

64 -- -- Not Used

65 PPL 1670 HO2S Signal High Bank 2 Sensor 2

66 PPL 1666 HO2S Signal High Bank 2 Sensor 1

67 -- -- Not Used

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

69 PPL/WHT 1665 HO2S Signal High Bank 1 Sensor 1

70 BRN 1174 Low Oil Level Switch

71 -- -- Not Used

72 YEL 772 PRND B Input Signal (Automatic Transmission Only)

73 BRN/WHT 633 Camshaft Position (CMP) Sensor Signal

74 YEL 410 Engine Coolant Temperature (ECT) Sensor Signal

75 -- -- Not Used

76 BLK/WHT 845 Injector 5 Control

77 DK BLU/WHT 878 Injector 8 Control

78 -- -- Not Used

79 GRY or WHT 587 or 687 2nd and 3rd Gear Block Out Solenoid Control (M/T) or 3-2 Shift Solenoid Control (A/T)

80 BRN 718 Engine Coolant Temperature (ECT) Sensor Ground

 

PCM Connector C2 Assembly 12191488 / TPA (RED) 12176410 / Connector Cover 12191108

 

Pin / Wire Color / Circuit No. / Function

 

1 BLK/WHT 451 PCM Ground (Automatic Transmission Only)

2 BRN 418 TCC Control Solenoid (Automatic Transmission Only)

3 -- -- Not Used

4 PPL 421 AIR Solenoid Control

5 TAN/BLK 464 Torque Delivered

6 RED/BLK 1228 Transmission Fluid Pressure Control Solenoid High (Automatic Transmission Only)

7 -- -- Not Used

8 LT BLU/WHT 1229 Transmission Fluid Pressure Control Solenoid Low (Automatic Transmission Only)

9 DK GRN/WHT465 Fuel Pump Relay Control

10 WHT 121 Engine Speed (Tach) Output Signal

11-13 -- -- Not Used

14 RED/BLK 380 A/C Refrigerant Pressure Sensor Signal

15 RED 225 Alternator L Terminal

16 -- -- Not Used

17 DK GRN/WHT762 A/C Request Signal (C60 only)

18 DK GRN 59 A/C Status Signal

19 -- -- Not Used

20 PPL 401 Vehicle Speed Sensor (VSS) Reference Low

21 YEL 400 Vehicle Speed Sensor (VSS) Signal

22-24 -- -- Not Used

25 TAN 472 IAT Sensor Signal

26 PPL 2121 Ignition Control 1

27 RED 2127 Ignition Control 7

28 LT BLU/WHT 2126 Ignition Control 6

29 DK GRN/WHT 2124 Ignition Control 4

30 -- -- Not Used

31 YEL 492 MAF Sensor Signal

32 LT GRN 432 MAP Sensor Signal

33 DK BLU 473 Engine Cooling Fan Relay 2 and 3 Control

34 DK GRN/WHT 428 EVAP Canister Purge Valve Control

35 -- -- Not Used

36 BRN 436 AIR Pump Relay Control

37-38 -- -- Not Used

39 RED 631 Camshaft Position Sensor B+ Supply

40 BLK/WHT 451 PCM Ground

41 -- -- Not Used

42 TAN/BLK 422 TCC Enable Circuit (Automatic Transmission Only)

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

44 LT GRN 1652 Reverse Inhibit Solenoid Control

45 WHT 1310 EVAP Canister Vent Valve Control

46 BRN/WHT 419 Malfunction Indicator Lamp (MIL) Control

47 WHT or YEL/BLK 375 or 1223 1 to 4 Up-shift Lamp Control or Transmission Shift Solenoid B

48 LT GRN 1222 Transmission Shift Solenoid A

49 -- -- Not Used

50 DK GRN/WHT 817 Vehicle Speed Output Circuit

51 YEL/BLK 1227 Transmission Temperature Sensor Signal

52 GRY 23 Alternator F Terminal

53 -- -- Not Used

54 DK BLU 1936 Fuel Level Sensor Signal

55-56 -- -- Not Used

57 PPL 719 IAT Sensor Ground

58 TAN/WHT 331 Engine Oil Pressure Sensor Signal

59 -- -- Not Used

60 BRN 2129 Ignition Control Reference Low Bank 1

61 BRN/WHT 2130 Ignition Control Reference Low Bank 2

62 GRY 773 PRND C Input Signal (Automatic Transmission Only)

63 PNK 1224 Transmission Range Signal A (Automatic Transmission Only)

64 DK GRN 890 Fuel Tank Pressure Sensor Signal

65 -- -- Not Used

66 PPL/WHT 2128 Ignition Control 8

67 RED/WHT 2122 Ignition Control 2

68 DK GRN 2125 Ignition Control 5

69 LT BLU 2123 Ignition Control 3

70-72 -- -- Not Used

73 LT BLU 1937 Fuel Level Sensor Signal (Secondary) 

74-80 -- -- Not Used

 

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