Engine Control Module (ECM) Connector End Views
Engine Control Module (ECM) C1 Connector Part Information 9123-7148 56 F (BU) Pin Wire Color Circuit No. Function 1 TN/BK 2500 High Speed GMLAN Serial Data Bus+ 2 TN 2501 High Speed GMLAN Serial Data Bus- 3 - - Not Used 4 BN/WH 419 Check Engine Indicator Lamp Output 5-6 - - Not Used 7 BN 1271 Electronic Throttle Pedal Position Return 1 8 PU 1272 Electronic Throttle Pedal Position Return 2 9 - - Not Used 10 BN 5069 Engine Control Relay Coil Control 11-12 - - Not Used 13 YE 447 Starter Relay Output-Coil 14 PK 439 Ignition 1 Voltage 15-17 - - Not Used 18 YE 1843 Accessory Voltage 19 OG 300 Ignition 3 Voltage 20 OG/BK 740 Battery Positive Voltage 21 PU/WH 5197 VSS Signal 22 BU 1161 Electronic Throttle Pedal Position Signal 1 23 - - Not Used 24 GN 890 Fuel Tank Pressure Sensor Signal 25 - - Not Used 26 GN/BK 380 A/C Refrigerant Pressure Sensor Signal 27-28 - - Not Used 29 TH 1274 Electronic Throttle Pedal Position 5-Volt Reference 2 30 GN 2700 A/C Refrigerant Pressure Sensor Signal 5-Volt Reference 31 GY 2709 Fuel Tank Pressure Sensor 1, 5-Volt Reference 32 BU/RD 20 Stop Lamp Switch Signal 33-34 - - Not Used 35 WH/BK 1164 Electronic Throttle Pedal Position 5 Volt Reference 1 36 OG/BK 335 Low Speed Cooling Fan Relay Control 37 PU 30 Fuel Gage Sensor Signal 38 GY 847 Extended Travel Brake Switch Signal 39-40 - - Not used 41 L-BU 1162 Electronic Throttle Pedal Position 2 42 YE 1652 Reverse Lockout Solenoid Control 43 PU/WH 379 CPP Switch Signal 44 - - Not Used 45 GN/WH 465 Fuel Pump Relay Feed-Coil 46 BN 86 Cruise Control Release Signal 47 - - Not Used 48 BN 121 Tachometer Signal 49-50 - - Not Used 51 GN/BU 275 Park/Neutral Position Switch Park Signal 52 PU 5 Crank Voltage 53-54 - - Not Used 55 TN 5514 A/C Refrigerant Pressure Sensor Signal 56 BU/WH 473 High Speed Cooling Fan Relay Control
Scheme 54
Engine Control Module (ECM) C2 Connector Part Information 9123-7131 72-Way F (BK) Pin Wire Color Circuit No. Function 1 L-GN/RD 3113 HO2S Bank 2 Sensor 1 Heater Control 2 BK/WH 3212 HO2S Bank 1 Sensor 1 Heater Control 3 - - Not Used 4 L-GN 878 Fuel Injector 8 Control 5 BU 1744 Fuel Injector 1 Control 6 GN 1745 Fuel Injector 2 Control 7 PK/BK 877 Fuel Injector 7 Control 8 BN/YE 844 Fuel Injector 4 Control 9 PU 1746 Fuel Injector 3 Control 10 GY 845 Fuel Injector 5 Control 11-12 - - Not Used 13 YE 846 Fuel Injector 6 Control 14 L-BU/BK 574 Low Reference 15 RD/WH 632 Low Reference 16 BN 2129 Low Reference 17-19 - - Not Used 20 BK 469 MAP Sensor-Return 21 GN 470 Low Reference 22-23 - - Not Used 24 BN/WH 331 Engine Oil Pressure Signal 25 - - Not Used 26 BN 633 CMP Sensor 27-28 - - Not Used 29 PU 486 Throttle Position Sensor 2 Signal 30 - - Not Used 31 GN 485 Throttle Position Sensor 1 Signal 32-33 - - Not Used 35 PU/WH 2704 MAP Sensor 5-Volt Reference 36 BN/WH 1704 Low Reference 37 BU/YE 596 Reference Voltage 5-Volt Reference 38-40 - - Not Used 41 L-BU/BK 1688 5-Volt Reference 42 - - Not Used 43 L-BU/WH 2867 12-Volt Reference Voltage 44 WH/BK 631 Low Coolant Level Indicator Signal 45 GY 23 Generator Turn On Signal 46 L-GN 432 MAP Sensor Signal 47 - - Not Used 48 PU 1665 HO2S High Signal Bank 1 Sensor 1 49 BU/BK 1664 HO2S Low Signal Bank 1 Sensor 1 50 GN/YE 428 EVAP Canister Purge Solenoid Control 51 GY 1666 HO2S High Signal Bank 2 Sensor 1 52 GY/BK 2761 Low Reference 53 YE 2127 Ignition Coil 7 Control 54 WH 1310 EVAP Canister Vent Solenoid Control 55 YE 410 ECT Sensor Signal 5-Volt Reference 56 OG 225 Generator Field Duty Cycle Signal 57 L-GN 2126 Ignition Coil 6 Control 58 WH 2124 Ignition Coil 4 Control 59 GN 2125 Ignition Coil 5 Control 60 BN 582 TAC Motor Control-2 61 BU 2123 Ignition Coil 3 Control 62 BU 573 CKP Sensor Signal 63 YE 581 TAC Motor Control-1 64 PU 2130 Low Reference 65 L-BU 2128 Ignition Coil 8 Control 66 YE/BK 2122 Ignition Coil 2 Control 67 - - Not Used 68 BU 496 Knock Sensor 1 Signal 69 GY 2303 Knock Sensor 1 Return 70 GY/BK 1667 HO2S Low Signal Bank 2 Sensor 1 71 GY 1716 Knock Sensor 2 Return 72 L-BU 1876 Knock Sensor 2 Signal 73 BK/RD 450 Ground
Scheme 55
Engine Control Module (ECM) C3 Connector Part Information 9123-7148 56-Way F (GY) Pin Wire Color Circuit No. Function 1 - - Not Used 2 L-BU 3223 HO2S Bank 1 Sensor 2 Heater Control 3 RD/WH 3122 HO2S Bank 2 Sensor 2 Heater Control 4-10 - - Not Used 11 BN/WH 492 MAF Sensor Signal 12-17 - - Not Used 18 BN/RD 1669 HO2S Low Signal Bank 1 Sensor 2 19 PU/WH 1668 HO2S High Signal Bank 1 Sensor 2 20 PU/BK 1670 HO2S High Signal Bank 2 Sensor 2 21 BN/BU 1671 HO2S Low Signal Bank 2 Sensor 2 22 OG/BK 1786 Park/Neutral Signal 23 - - Not Used 24 BK 2759 Low Reference 25-33 - - Not Used 34 BK 472 IAT Sensor Signal 35-42 - - Not Used 44 BN/OG 401 VSS Low Signal 45 BU/WH 400 VSS High Signal 46-47 - - Not Used 48 GY 587 Skip Shift Solenoid Control 49 BK 2759 Low Reference 50 - - Not Used 51 L-GN/BK 459 A/C Compressor Clutch Relay Control 52-56 - - Not Used
Engine Controls Connector End Views
A/C Refrigerant Pressure Sensor Connector Part Information 7223-9730-30 3-Way F (GY) Pin Wire Color Circuit No. Function A GN/OG 5514 Low Reference B PU/WH 2700 5-Volt Reference C GN/BK 380 A/C Refrigerant Pressure Sensor Signal
Accelerator Pedal Position Sensor Connector Part Information 7223-9730-30 10-Way F (GY) Pin Wire Color Circuit No. Function 1 BN 1271 Reference Low Signal 2 WH/BK 1164 5-Volt Reference Signal 3 L-BU 1162 Throttle Pedal Position Signal 4 - - Not Used 5 BU 1161 Throttle Pedal Position Signal 6 TN 1274 5-Volt Reference Signal 7 PU 1272 Reference Low Signal 8-10 - - Not Used
Automatic Transmission (C2) Connector Part Information 9229-1511-41 20-Way F (GY) Pin Wire Color Circuit No. Function A L-GN 1222 1-2 Shift Solenoid Valve Control B YE/BK 1223 2-3 Shift Solenoid Valve Control C RD 1228 PC Solenoid High Control D GY/BU 1229 PC Solenoid Low Control E PK/BU 339 Ignition 1 Voltage F-K - - Not Used L BK/YE 1227 TFT Sensor Signal M BK/WH 2762 Low Reference N BN/YE 1224 Transmission Switch Signal A P GY 1226 Transmission Switch Signal C R YE 1225 Transmission Switch Signal B S GN/WH 898 Shift Solenoid Valve 3 High Control T GY/RD 422 TCC Solenoid Valve Control U BN 418 TCC PWM Solenoid Valve Control V-W - - Not Used
Scheme 56
Camshaft Position (CMP) Sensor Connector Part Information 7223-9735-30 3-Way F (BK) Pin Wire Color Circuit No. Function A BN 633 CMP Sensor Signal B RD/WH 632 Low Reference C WH/BK 631 12-Volt Reference
Clutch Pedal Position (CPP) Switch C1 Connector Part Information S42 2-Way F (WH) Pin Wire Color Circuit No. Function A GR/BU 275 Ignition Voltage B GY 434 Park Neutral Position Switch Park Signal
Clutch Pedal Position (CPP) Switch C2 Connector Part Information S42 2-Way F (WH) Pin Wire Color Circuit No. Function A PK 139 Ignition Voltage B PU/WH 379 Cruise Cancel Signal
Crankshaft Position (CKP) Sensor Connector Part Information 7223-9735-30 3-Way F (BK) Pin Wire Color Circuit No. Function A L-BU 573 CKP Sensor Signal B L-BU/BK 574 Low Reference C L-BU/WH 2867 12-Volt Reference
Data Link Connector (DLC) Connector Part Information 7123-9265-30 16-Way F (BK) Pin Wire Color Circuit No. Function 1 - - Not Used 2 YE 1045 RFA Class 2 Serial Data 3 - - Not Used 4 BK 150 Ground 5 BK/YE 251 Ground 6-8 - - Not Used 9 RD/BK 800 UART Serial Data (Primary) 10-11 - - Not Used 12 BU/BK 799 ABS Serial Data 13-15 - - Not Used 16 OG/BK 740 Battery Positive Voltage
Scheme 57
Engine Coolant Level Switch Connector Part Information 7223-9721-30 2-Way F (BK) Pin Wire Color Circuit No. Function A GN 68 Low Coolant Level Indicator Control B BK/RD 450 Ground
Engine Coolant Temperature (ECT) Sensor Connector Part Information 7223-9569-30 2-Way F (BK) Pin Wire Color Circuit No. Function A GY/BK 2761 Low Reference B YE 410 ECT Sensor Signal
Engine Oil Pressure (EOP) Switch Connector Part Information 7223-9730-30 3-Way F (BK) Pin Wire Color Circuit No. Function A GN 470 Low Reference B BU/YE 596 5-Volt Reference C BU/WH 331 Engine Oil Pressure Signal
Evaporative Emission (EVAP) Canister Purge Solenoid Connector Part Information 9223-4037-30 2-Way F (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B GN/YE 428 EVAP Canister Purge Solenoid Control
Evaporative Emission (EVAP) Canister Vent Solenoid Connector Part Information 7223-9922-50 3-Way F (RD) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B WH 1310 EVAP Canister Vent Solenoid Control
Fuel Injector 1 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 L-GN 1039 Ignition 1 Voltage 2 BU 1744 Fuel Injector #1 Control
Fuel Injector 2 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 RD 639 Ignition 1 Voltage 2 GN 1745 Fuel Injector #2 Control
Fuel Injector 3 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 L-GN 1039 Ignition 1 Voltage 2 PU 1746 Fuel Injector #3 Control
Fuel Injector 4 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 RD 639 Ignition 1 Voltage 2 BN/YE 844 Fuel Injector #4 Control
Fuel Injector 5 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 L-GN 1039 Ignition 1 Voltage 2 GY 845 Fuel Injector #5 Control
Fuel Injector 6 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 RD 639 Ignition 1 Voltage 2 YE 846 Fuel Injector #6 Control
Fuel Injector 7 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 L-GN 1039 Ignition 1 Voltage 2 PK/BU 877 Fuel Injector #7 Control
Fuel Injector 8 Connector Part Information 7219-5226-30 2-Way F (BK) Pin Wire Color Circuit No. Function 1 RD 639 Ignition 1 Voltage 2 L-GN 878 Fuel Injector #8 Control
Fuel Pump and Sender Assembly Connector Part Information 7283-7053-10 4-Way F (BK) Pin Wire Color Circuit No. Function 1 - - Not Used 2 PU 30 Fuel Level Sensor Signal 3 BK 2759 Low Reference 4 PU 120 Fuel Pump Supply Voltage 5 BK/BU 650 Ground
Scheme 58
Fuel Tank Pressure (FTP) Sensor Connector Part Information B54 3-Way F (BK) Pin Wire Color Circuit No. Function A BK 2759 Low Reference B D-GN 890 Fuel Tank Pressure Sensor Signal C GY 2709 5-Volt Reference Voltage
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector Part Information 9723-6897-40 4-Way F (GY) Pin Wire Color Circuit No. Function A BU/BK 1664 HO2S Low Signal Bank 1 Sensor 1 B PU 1665 HO2S High Signal Bank 1 Sensor 1 C BK/WH 1050 HO2S Bank 1 Sensor 1 Heater Low Control D PK 439 Ignition 1 Voltage
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 Connector Part Information 9223-9845-30 4-Way F (BK) Pin Wire Color Circuit No. Function A TN/WH 1669 HO2S Low Signal Bank 1 Sensor 2 B PU/WH 1668 HO2S High Signal Bank 1 Sensor 2 C L-BU 1150 HO2S Bank 1 Sensor 2 Heater Low Control D PK 439 Ignition 1 Voltage
Scheme 59
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector Part Information 9123-6897-40 4-Way F (BK) Pin Wire Color Circuit No. Function A GY/BK 1667 HO2S Low Signal Bank 2 Sensor 1 B GY 1666 HO2S High Signal Bank 2 Sensor 1 C L-GN/RD 1250 HO2S Bank 2 Sensor 1 Heater Low Control D PK 439 Ignition 1 Voltage
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector Part Information 7223-9845-30 4-Way F (BK) Pin Wire Color Circuit No. Function A TN 1671 HO2S Low Signal Bank 2 Sensor 2 B PU/BK 1670 HO2S High Signal Bank 2 Sensor 2 C RD/WH 1350 HO2S Bank 2 Sensor 2 Heater Low Control D PK 439 Ignition 1 Voltage
Idle Air Control (IAC) Valve Connector Part Information 9223-2190-30 4-Way F (BK) Pin Wire Color Circuit No. Function A L-GN/BK 444 IAC Coil B Low Control B L-GN/WH 1749 IAC Coil B High Control C L-BU/BK 1748 IAC Coil A Low Control D L-BU 1747 IAC Coil A High Control
Ignition Coil Cylinder 1 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2129 Low Reference C PU 2121 IC 1 Control D PK 1039 Ignition 1 Voltage
Ignition Coil Cylinder 2 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2122 IC 2 Control C RD 2130 Low Reference D PK 639 Ignition 1 Voltage
Ignition Coil Cylinder 3 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2129 Low Reference C L-BU 2123 IC 3 Control D PK 1039 Ignition 1 Voltage
Ignition Coil Cylinder 4 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2130 Low Reference C L-GN 2124 IC 4 Control D PK 639 Ignition 1 Voltage
Ignition Coil Cylinder 5 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2129 Low Reference C GN 2125 IC 5 Control D PK 1039 Ignition 1 Voltage
Ignition Coil Cylinder 6 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2130 Low Reference C L-BU 2126 IC 6 Control D PK 639 Ignition 1 Voltage
Ignition Coil Cylinder 7 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2127 IC 7 Control C RD 2129 Low Reference D PK 1039 Ignition 1 Voltage
Ignition Coil Cylinder 8 Connector Part Information 9223-6673-30 4-Way F (BK) Pin Wire Color Circuit No. Function A BK 450 Ground B BN 2130 Low Reference C PU 2128 IC 8 Control D PK 639 Ignition 1 Voltage
Intake Air Temperature (IAT) Sensor Connector Part Information 7223-9415-40 2-Way F (GY) Pin Wire Color Circuit No. Function A GN/OG 5514 Low Reference B BN 472 IAT Sensor Signal
Knock Sensor GY Connector Part Information 7223-9415-40 2-Way F (GY) Pin Wire Color Circuit No. Function 1 GY 2303 Return 2 BU 498 Signal
Manifold Absolute Pressure (MAP) Sensor Connector Part Information 9223-9946-40 3-Way F (GY) Pin Wire Color Circuit No. Function A BK 469 Low Reference B L-GN 432 MAP Sensor Signal C PU/WH 2704 5-Volt Reference
Mass Air Flow (MAF) Sensor Connector Part Information 7223-9735-30 3-Way F (BK) Pin Wire Color Circuit No. Function A BK 2759 Low Reference B BK 472 IAT Sensor Signal C BK/RD 450 Sensor Ground D PK 439 Sensor Voltage Supply E BN/WH 492 MAF Sensor Signal
Scheme 60
Park/Neutral Position Switch Connector Part Information 9223-6722-30 12-Way F (BK) Pin Wire Color Circuit No. Function 1 GY/BU 275 Park Neutral Position Switch Park Signal 2 - - Not Used 3 YE 1479 A/T Neutral Signal 4 YE/RD 772 Transmission Range Switch Signal B 5 BU/WH 771 Transmission Range Switch Signal A 6 GY 773 Transmission Range Switch Signal C 7 BK/RD 450 Ground 8 WH 776 Transmission Range Switch Signal P 9 - - Not Used 10 L-GN 24 Backup Lamp Supply Voltage 11 BN/BU 239 Ignition 1 Voltage 12 GY 434 Neutral Safety Switch Signal
Scheme 61
Powertrain Interface Module (PIM) Connector Part Information 7283-7367-30 20-Way F (BK) Pin Wire Color Circuit No. Function 1 - - Not Used 2 RD/BK 800 UART Serial Data (Primary) 3 YE 1045 RFA Class 2 Serial Data 4 GY/BU 275 Park Neutral Position Switch Park Signal 5 - - Not Used 6 OG 300 Ignition 3 Voltage 7 BK/RD 450 Ground 8 GY/BK 87 Cruise Control Resume/Accel Switch Signal 9 BU 84 Cruise Control Set/Coast Switch Signal 10 RD/BK 800 Serial Data Signal 11 - - Not Used 12 - - Not Used 13 OG 740 Battery Positive Voltage 14 OG 300 Ignition 3 Voltage 15 BK/GN 151 Ground 16 - - Not Used 17 TN/BK 2500 Serial Data - Can Protocol - High 18 TN/BK 2500 Serial Data - Can Protocol - High 19 TN 2501 Serial Data - Can Protocol - Low 20 TN 2501 Serial Data - Can Protocol - Low
Reverse Lockout Solenoid Connector Part Information 9129-2646 2-Way F (WH) Pin Wire Color Circuit No. Function A YE 1652 Reverse Lockout Solenoid Control B PK/BU 339 Ignition 1 Voltage
Scheme 62
Skip Shift Coil Assembly Connector Part Information 9129-2646 2-Way F (YE) Pin Wire Color Circuit No. Function A GY 587 Skip/Shift Solenoid Control B PK/BU 339 Ignition 1 Voltage
Throttle Position (TP) Sensor Connector Part Information 7223-9730-30 3-Way F (BK) Pin Wire Color Circuit No. Function A GY 2701 5-Volt Reference B BK/YE 2752 Low Reference C BU 411 Throttle Position Signal
Throttle Relaxer Connector Part Information 7283-5146-30 2-Way F (BK) Pin Wire Color Circuit No. Function A RD/WH 560 Throttle Relaxer Motor - Feed B RD/BK 561 Throttle Relaxer Motor - Return
Scheme 63
Vehicle Speed Sensor Connector Part Information 7223-9569-30 2-Way F (BK) Pin Wire Color Circuit No. Function A BU/WH 1230 AT ISS High Signal B BN/RD 1231 AT ISS Low Signal
Throttle Actuator Control (TAC) Module Connector End Views
Throttle Actuator Control Module Connector Part Information GTO-Y38 6-Way Connector (BK) Pin Wire Color Circuit Number Function A BN 582 Throttle Motor Ground B YE 581 Throttle Motor Voltage C BN/WH 1704 Low Reference Signal D GN 485 Throttle Position Sensor Signal E L-BU/BK 1688 5-Volt Reference F PU 486 Throttle Position Sensor Signal
