Engine Control System - 4.2L - Introduction: Wiring GMC Envoy II

Powertrain Control Module (PCM) Connector End Views

Powertrain Control Module (PCM) C1 Connector Part Information 15354782 65-Way F Metri-Pack 280 (BU) Pin Wire Color Circuit No. Function 1 L-BU 1162 APP Sensor 2 Signal 2 D-BU 1161 APP Sensor 1 Signal 3 L-BU 1320 Stop Lamp Supply Voltage (K34) 4 GY/BK 1694 4WD Low Signal (NP8) 5 GY/BK 87 Cruise Control Resume/Accel Switch Signal (K34) 6 D-BU 84 Cruise Control Set/Coast Switch Signal (K34) 7 BN/WH 419 MIL Control 8 OG/BK 510 Low Reference 9 - - Not Used 10 BN 1271 Low Reference 11 PU 1272 Low Reference 12 BK 2759 Low Reference 13 BK 2760 Low Reference 14 BK 2751 Low Reference 15-16 - - Not Used 17 GY 397 Cruise Control On Switch Signal (K34) 18 - - Not Used 19 PK 439 Ignition 1 Voltage 20 OG 440 Battery Positive Voltage 21 PK 1020 Ignition 0 Voltage 22 PU 1589 Fuel Level Sensor Signal - Primary 23-24 - - Not Used 25 YE/BK 1827 Vehicle Speed Signal 26-27 - - Not Used 28 PU 420 TCC Brake/Cruise Control Release Switch Signal 29 D-GN 1433 PNP Switch Signal 30 TN 472 IAT Sensor Signal 31 PU 806 Crank Voltage 32 D-GN/WH 817 Vehicle Speed Signal 33-40 - - Not Used 41 RD/BK 380 A/C Refrigerant Pressure Sensor Signal 42 D-GN/WH 459 A/C Compressor Clutch Relay Control 43 D-BU 2364 Cooling Fan Speed Signal 44 BN 436 Air Pump Relay Control (K18) 45-47 - - Not Used 48 YE/BK 625 Starter Enable Relay Control 49 WH 121 Engine Speed Signal 50-53 - - Not Used 54 GY 2700 5-Volt Reference 55 WH/BK 1164 5-Volt Reference 56 - - Not Used 57 WH/BK 2366 Cooling Fan Clutch Control 58 YE 710 Class 2 Serial Data 59 D-GN 1049 Class 2 Serial Data 60 GY 2365 Low Reference 61 D-GN 890 Fuel Tank Pressure Sensor Signal 62 GY 2709 5-Volt Reference 63 TN 1274 5-Volt Reference 64-65 - - Not Used

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Powertrain Control Module (PCM) C2 Connector Part Information 15354781 65-Way F Metri-Pack 280 (D-GY) Pin Wire Color Circuit No. Function 1 PU 574 Low Reference 2 L-GN/BK 822 VSS Low Signal 3 D-GN/WH 465 Fuel Pump Relay Control 4 L-BU/WH 1229 Pressure Control Solenoid Valve Low Control 5 RD/BK 1228 Pressure Control Solenoid Valve High Control 6 YE/BK 846 Fuel Injector 6 Control 7 BK/WH 845 Fuel Injector 5 Control 8 L-BU/BK 844 Fuel Injector 4 Control 9 YE 573 CKP Sensor Signal 10 PU/WH 821 VSS High Signal 11 TN/BK 464 Delivered Torque Signal 12 OG/BK 463 Requested Torque Signal 13 - - Not Used 14 BK 1744 Fuel Injector 1 Control 15 L-GN/BK 1745 Fuel Injector 2 Control 16 PK/BK 1746 Fuel Injector 3 Control 17 WH 1310 EVAP Canister Vent Solenoid Control 18 TN/WH 1669 HO2S Low Signal - Bank 1 Sensor 2 19 YE 410 ECT Sensor Signal 20 D-GN/WH 428 EVAP Canister Purge Solenoid Control 21 - - Not Used 22 BN 418 TCC PWM Solenoid Valve Control 23 PU/WH 1665 HO2S High Signal - Bank 1 Sensor 1 24 - - Not Used 25 L-GN 432 MAP Sensor Signal 26 PU/WH 1668 HO2S High Signal - Bank 1 Sensor 2 27 WH 687 3-2 Shift Solenoid Valve Control 28 BK/WH 771 Transmission Range Switch Signal A 29 TN/BK 231 Oil Pressure Switch Signal 30 BK/WH 1423 HO2S Heater Low Control - Bank 1 Sensor 2 31 D-GN 676 HO2S Heater Low Control - Bank 1 Sensor 1 32 TN 1664 HO2S Low Signal - Bank 1 Sensor 1 33 - - Not Used 34 L-BU/WH 2126 IC 6 Control 35 L-BU 2123 IC 3 Control 36 - - Not Used 37 TN/BK 422 TCC Solenoid Valve Control 38 - - Not Used 39 BN 2198 Camshaft Position Solenoid Actuator High Control 40 D-GN 2125 IC 5 Control 41 D-GN/WH 2124 IC 4 Control 42 RD/WH 2122 IC 2 Control 43 - - Not Used 44 PU 2121 IC 1 Control 45-50 - - Not Used 51 GY 23 Generator Field Duty Cycle Signal 52-53 - - Not Used 54 OG/BK 469 Low Reference 55-56 - - Not Used 57 YE/BK 1223 2-3 Shift Solenoid Valve Control 58 BK 2761 Low Reference 59 L-GN 1222 1-2 Shift Solenoid Valve Control 60-61 - - Not Used 62 BK 2199 Low Reference 63 - - Not Used 64 GY 2704 5-Volt Reference 65 BK 450 Ground

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Powertrain Control Module (PCM) C3 Connector Part Information 15354780 65-Way F Metri-Pack 280 (WH) Pin Wire Color Circuit No. Function 1 D-BU 496 KS 1 Signal 2 RD 225 Generator Turn On Signal 3 GY 2701 5-Volt Reference 4-7 - - Not Used 8 BK 2762 Low Reference 9 L-BU 1876 Knock Sensor 2 Signal 10 D-BU 1225 Transmission Fluid Pressure Switch Signal B 11 - - Not Used 12 YE 772 Transmission Range Switch Signal B 13 WH 776 Transmission Range Switch Signal P 14 PU 421 Air Solenoid Relay Control (K18) 15 - - Not Used 16 BK/WH 1704 Low Reference 17 PK 839 Ignition 1 Voltage 18 RD 631 12-Volt Reference 19 RD 1226 Transmission Fluid Pressure Switch Signal C 20 GY 773 Transmission Range Switch Signal C 21 PK 1224 Transmission Fluid Pressure Switch Signal A 22 YE/BK 1227 TFT Sensor Signal 23 GY 1716 Low Reference 24 - - Not Used 25 BN 582 TAC Motor Control - 2 26 YE 581 TAC Motor Control - 1 27 - - Not Used 28 D-GN 485 TP Sensor 1 Signal 29 PK/BK 632 Low Reference 30 PU 486 TP Sensor 2 Signal 31 GY 2303 Low Reference 32-48 - - Not Used 49 L-BU/BK 1688 5-Volt Reference 50 - - Not Used 51 BN/WH 633 CMP Sensor Signal 52-57 - - Not Used 58 PU 114 Low Oil Pressure Switch Signal 59 BK 2752 Low Reference 60 GY 597 5-Volt Reference 61-65 - - Not Used

Engine Controls Connector End Views

Accelerator Pedal Position (APP) Sensor Connector Part Information 15326830 6-Way F GT 150 Series Sealed (BK) Pin Wire Color Circuit No. Function A PU 1272 Low Reference B L-BU 1162 APP Sensor 2 Signal C TN 1274 5-Volt Reference D BN 1271 Low Reference E D-BU 1161 APP Sensor 1 Signal F WH/BK 1164 5-Volt Reference

Camshaft Actuator Solenoid Assembly Connector Part Information 15326801 2-Way F GT 150 Series (BK) Pin Wire Color Circuit No. Function A BN 2198 Camshaft Position Solenoid Actuator High Control B BK 2199 Low Reference

Camshaft Position (CMP) Sensor Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A RD 631 12-Volt Reference B BN/WH 633 CMP Sensor Signal C PK/BK 632 Low Reference

Crankshaft Position (CKP) Sensor Connector Part Information 15336004 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PU 574 Low Reference B YE 573 CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor Connector Part Information 15326801 2-Way F GT 150 Series (BK) Pin Wire Color Circuit No. Function A YE 410 ECT Sensor Signal B BK 2761 Low Reference

Evaporative Emission (EVAP) Canister Purge Solenoid Connector Part Information 12052643 2-Way F Metri-Pack 150 Series Sealed (RD) Pin Wire Color Circuit No. Function A PK 239 Ignition 1 Voltage B D-GN/WH 428 EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid Connector Part Information 12052643 2-Way F Metri-Pack 150 Series Sealed (RD) Pin Wire Color Circuit No. Function A PK 239 Ignition 1 Voltage B WH 1310 EVAP Canister Vent Solenoid Control

Fuel Injector 1 Connector Part Information 15326181 2-Way F Micro-Pack 064 Series Sealed (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B BK 1744 Fuel Injector 1 Control

Fuel Injector 2 Connector Part Information 15326181 2-Way F Micro-Pack 064 Series Sealed (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B L-GN/BK 1745 Fuel Injector 2 Control

Fuel Injector 3 Connector Part Information 15326181 2-Way F Micro-Pack 064 Series Sealed (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B PK/BK 1746 Fuel Injector 3 Control

Fuel Injector 4 Connector Part Information 15326181 2-Way F Micro-Pack 064 Series Sealed (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B L-BU/BK 844 Fuel Injector 4 Control

Fuel Injector 5 Connector Part Information 15326181 2-Way F Micro-Pack 064 Series Sealed (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B BK/WH 845 Fuel Injector 5 Control

Fuel Injector 6 Connector Part Information 15326181 2-Way F Micro-Pack 064 Series Sealed (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B YE/BK 846 Fuel Injector 6 Control

Fuel Pump and Sender Assembly Connector Part Information 15324862 4-Way F 2.8 Series Sealed (L-GY) Pin Wire Color Circuit No. Function 1 BK 2450 Ground 2 PU 1589 Fuel Level Sensor Signal - Primary 3 OG/BK 510 Low Reference 4 GY 120 Fuel Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor Connector Part Information 12059595 3-Way F Metri-Pack 150 Series Sealed (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

Heated Oxygen Sensor (HO2S) 1 Connector Part Information 12146046 4-Way F Metri-Pack 150 Series Sealed (GY) Pin Wire Color Circuit No. Function A TN 1664 HO2S Low Signal - Bank 1 Sensor 1 B PU/WH 1665 HO2S High Signal - Bank 1 Sensor 1 D PK 539 Ignition 1 Voltage E D-GN 676 HO2S Heater Low Control - Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) 2 Connector Part Information 12160825 4-Way M Metri-Pack 150 Series (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 BK/WH 1423 HO2S Heater Low Control - Bank 1 Sensor 2 D PK 539 Ignition 1 Voltage

Ignition Coil 1 Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B PU 2121 IC 1 Control C BK 550 Ground

Ignition Coil 2 Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B RD/WH 2122 IC 2 Control C BK 550 Ground

Ignition Coil 3 Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B L-BU 2123 IC 3 Control C BK 550 Ground

Ignition Coil 4 Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B D-GN/WH 2124 IC 4 Control C BK 550 Ground

Ignition Coil 5 Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B D-GN 2125 IC 5 Control C BK 550 Ground

Ignition Coil 6 Connector Part Information 15355370 3-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A PK 439 Ignition 1 Voltage B L-BU/WH 2126 IC 6 Control C BK 550 Ground

Intake Air Temperature (IAT) Sensor Connector Part Information 15335987 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BK) Pin Wire Color Circuit No. Function A TN 472 IAT Sensor Signal B BK 2760 Low Reference

Knock Sensor (KS) 1 Front Connector Part Information 15374222 2-Way F GT 150 Series Sealed (NA) Pin Wire Color Circuit No. Function A D-BU 496 KS 1 Signal B GY 1716 Low Reference

Knock Sensor (KS) 2 Rear Connector Part Information 15374222 2-Way F GT 150 Series Sealed (NA) Pin Wire Color Circuit No. Function A L-BU 1876 Knock Sensor 2 Signal B GY 2303 Low Reference

Manifold Absolute Pressure (MAP) Sensor Connector Part Information 12129946 3-Way F Metri-Pack 150 Series Sealed (GY) Pin Wire Color Circuit No. Function A OG/BK 469 Low Reference B L-GN 432 MAP Sensor Signal C GY 2704 5-Volt Reference

Secondary Air Injection (AIR) Pump (K18) Connector Part Information 12147067 2-Way F DUCON 6.3 Series Sealed (GY) Pin Wire Color Circuit No. Function A RD 78 Air Pump Supply Voltage B BK 2450 Ground

Secondary Air Injection (AIR) Pump Relay (K18) Connector Part Information 15336745 4-Way F GR 280 Series Metri-Pack 800 Sealed (GY) Pin Wire Color Circuit No. Function 30 RD 1042 Battery Positive Voltage 85 BN 436 Air Pump Relay Control 86 PK 739 Ignition 1 Voltage 87 RD 78 Air Pump Supply Voltage

Secondary Air Injection (AIR) Solenoid (K18) Connector Part Information 15374222 2-Way F GT 150 Series Sealed (WH) Pin Wire Color Circuit No. Function A PK/BK 415 Air Sol Fuse Supply Voltage B BK 350 Ground

Throttle Body Connector Part Information 15326835 8-Way F GT 150 Series Sealed 4.0 (BK) Pin Wire Color Circuit No. Function A D-GN 485 TP Sensor 1 Signal B L-BU/BK 1688 5-Volt Reference C BK 2752 Low Reference D PU 486 TP Sensor 2 Signal E YE 581 TAC Motor Control - 1 F BN 582 TAC Motor Control - 2 G GY 2701 5-Volt Reference H BK/WH 1704 Low Reference

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