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HOMESERVICE MANUALSSATURN2000SC2 AUTOMATIC, MP6REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - TESTING & ENGINE COMPONENT TESTINGCOMPUTERIZED ENGINE CONTROLSPOWERTRAIN CONTROL MODULE CONNECTOR TERMINAL IDENTIFICATIONPOWERTRAIN CONTROL MODULE CONNECTOR TERMINAL IDENTIFICATION (3.4L - ALERO & GRAND AM)
2000 Saturn SC2 Automatic, MP6

Powertrain Control Module Connector Terminal Identification (3.4L - ALERO & Grand Am)

2000 Saturn SC2 Automatic, MP6SECTION Powertrain Control Module Connector Terminal Identification (3.4L - ALERO & Grand Am)
POWERTRAIN CONTROL MODULE CONNECTOR TERMINAL IDENTIFICATION (3.4L - ALERO & GRAND AM)(1)

Connector Terminal No. Wire Color Function
C1 1 WHT/BLK Transmission Fluid Temperature Sensor Ground
C1 2 & 3 ..... Not Used
C1 4 LT GRN 1-2 Shift Solenoid Valve Control
C1 5 DK BLU Cooling Fan High Speed Control
C1 6 DK GRN Cooling Fan Low Speed Control
C1 7 BRN/WHT Camshaft Position Sensor Signal
C1 8 PPL/WHT Crankshaft Position 3x Reference High
C1 9 LT BLU/BLK Crankshaft Position 24x Sensor Signal
C1 10 BRN Manifold Absolute Pressure Sensor 5-Volt Reference "A"
C1 11 & 12 ..... Not Used
C1 13 ORG/BLK Manifold Absolute Pressure/Engine Coolant Temperature Sensor Ground
C1 14 & 15 ..... Not Used
C1 16 BLK/WHT Powertrain Control Module Ground
C1 17 BLK Intake Air Temperature Sensor Ground
C1 18 ..... Not Used
C1 19 PPL Ignition Positive Voltage (RUN/ACC/START)
C1 20 ORG Battery Positive Voltage
C1 21 ..... Not Used
C1 22 PNK Transmission Fluid Pressure Switch "A"
C1 23-27 ..... Not Used
C1 28 TAN/WHT Heated Oxygen Sensor No. 2 Low
C1 29 TAN Heated Oxygen Sensor No. 1 Low
C1 30 PPL Torque Converter Clutch Brake Switch Input
C1 31 BLK EGR Pintle Position Sensor Ground
C1 32 GRY EGR Valve Control
C1 33 DK BLU Knock Sensor Signal
C1 34-37 ..... Not Used
C1 38 LT GRN/WHT Idle Air Control Valve "B" High
C1 39-42 ..... Not Used
C1 43 BLK Fuel Injector No. 1 Control Circuit
C1 44 YEL/BLK 2-3 Shift Solenoid Valve Control
C1 45 PNK/BLK AIR Valve Control (California Emissions)
C1 46 PNK/BLK Fuel Injector No. 3 Control Circuit
C1 47 LT GRN/BLK Fuel Injector No. 2 Control Circuit
C1 48 RED/BLK Crankshaft Position 3x Reference Low
C1 49-52 ..... Not Used
C1 53 TAN/BLK By-Pass Valve Control
C1 54 WHT Ignition Control
C1 55 DK GRN/WHT Vehicle Speed Signal Output
C1 56 BLK/WHT Powertrain Control Module Ground
C1 57 BLK/WHT Powertrain Control Module Ground
C1 58 PPL Serial Data (Class 2)
C1 59 ..... Not Used
C1 60 BLK/WHT Powertrain Control Module Ground
C1 61 BLK Throttle Position Sensor Ground
C1 62 DK BLU/WHT Transmission Input Shaft Speed Low
C1 63 RED/BLK Transmission Input Shaft Speed High
C1 64 YEL Vehicle Speed Sensor High
C1 65 PPL Vehicle Speed Sensor Low
C1 66 & 67 ..... Not Used
C1 68 YEL Transaxle Range Switch "B"
C1 69 YEL Mass Airflow Sensor Signal
C1 70 & 71 ..... Not Used
C1 72 DK GRN Cruise Control Disable/Inhibit Control
C1 73 BLK/WHT Fuel Injector No. 5 Control Circuit
C1 74 & 75 ..... Not Used
C1 76 DK GRN/WHT EVAP Canister Purge Valve Control
C1 77 & 78 ..... Not Used
C1 79 YEL/BLK Fuel Injector No. 6 Control Circuit
C1 80 BLK A/C Refrigerant Pressure Sensor Ground
C2 1 ..... Not Used
C2 2 WHT EVAP Canister Vent Valve Solenoid Control
C2 3 DK GRN/WHT Fuel Pump Relay Control
C2 4 RED EGR Valve Ignition Positive Voltage
C2 5 BRN/WHT Malfunction Indicator Light Control
C2 6 ..... Not Used
C2 7 LT BLU/WHT Idle Air Control Valve "A" High
C2 8 & 9 ..... Not Used
C2 10 PPL Heated Oxygen Sensor No. 1 Signal
C2 11 PPL/WHT Heated Oxygen Sensor No. 2 Signal
C2 12-15 ..... Not Used
C2 16 WHT Transaxle Range Switch "P"
C2 17 RED Transmission Fluid Pressure Switch "C"
C2 18 BLK/WHT Transaxle Range Switch "A"
C2 19 TAN/BLK Engine Oil Pressure Switch Input
C2 20-23 ..... Not Used
C2 24 PNK Ignition Positive Voltage (RUN/Bulb Test/START)
C2 25 LT GRN Manifold Absolute Pressure Sensor Signal
C2 26 YEL Engine Coolant Temperature Sensor Signal
C2 27 RED/BLK A/C Refrigerant Pressure Sensor Signal
C2 28 BRN EGR Pintle Position Signal
C2 29 GRY Generator Terminal "F" Monitor
C2 30 BRN/WHT EGR Valve 5-Volt Reference
C2 31 ..... Not Used
C2 32 GRY Fuel Tank Pressure Sensor 5-Volt Reference
C2 33 GRY/BLK Throttle Position Sensor 5-Volt Reference
C2 34 GRY A/C Refrigerant Pressure Sensor 5-Volt Reference
C2 35 BLK Fuel Tank Pressure Sensor Ground
C2 36-38 ..... Not Used
C2 39 DK GRN/WHT A/C Compressor Clutch Relay Control
C2 40 & 41 ..... Not Used
C2 42 LT BLU/BLK Fuel Injector No. 4 Control Circuit
C2 43 ..... Not Used
C2 44 LT BLU/BLK Idle Air Control Valve "A" Low
C2 45 RED/BLK Pressure Control Solenoid High
C2 46 LT BLU/WHT Pressure Control Solenoid Low
C2 47 & 48 ..... Not Used
C2 49 LT GRN/BLK Idle Air Control Valve "B" Low
C2 50 TAN Intake Air Temperature Sensor
C2 51-54 ..... Not Used
C2 55 DK GRN Fuel Tank Pressure Sensor Signal
C2 56 GRY Transaxle Range Switch "C"
C2 57 DK BLU Transmission Fluid Pressure Switch "B"
C2 58 BRN Engine Oil Level Switch Input
C2 59 LT BLU/BLK Cruise Control Status
C2 60 ..... Not Used
C2 61 RED Generator Terminal "L" Control
C2 62 ..... Not Used
C2 63 YEL Torque Converter Clutch Brake Switch Input
C2 64 & 65 ..... Not Used
C2 66 DK BLU Throttle Position Sensor Signal
C2 67 ..... Not Used
C2 68 YEL/BLK Transaxle Fluid Temperature Sensor Signal
C2 69 PPL Fuel Level Sensor Input
C2 70 RED/WHT Crankshaft Position 24x Sensor Battery Positive Voltage
C2 71 ..... Not Used
C2 72 RED/WHT Camshaft Position Sensor Battery Positive Voltage
C2 73 BLK Camshaft Position Sensor Ground
C2 74 BLK Crankshaft Position 24x Sensor Ground
C2 75 BRN AIR Relay Control (California Emissions)
C2 76 & 77 ..... Not Used
C2 78 BRN Torque Converter Clutch PWM Solenoid Control
C2 79 & 80 ..... Not Used
(1) See Figure.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.