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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - G14 Through K71 TCM X2 >> Component Connector End Views >> K20 Engine Control Module X3 (LHU)

K20 Engine Control Module X3 (LHU)

GM1590596
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12582678
  • Service Connector: 88988372
  • Description: 73-Way F 0.64 2.8 Series, Sealed (BK with GY Terminal Position Assurance Lock)
Terminal Part Information
  • Pins: 8-10, 16, 24-35, 39-40, 53-55, 59-60
  • Terminated Lead: Pending
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pins: 46, 48, 50, 52, 66, 68, 70, 72
  • Terminated Lead: Pending
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: K/K
  • Pin: 73
  • Terminated Lead: 13576392
  • Release Tool: J-38125-11A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: A/5
K20 Engine Control Module X3 (LHU)

Pin Size Color Circuit Function Option
1-7 - - - Not Used -
8 0.5 YE/VT 410 Engine Coolant Temperature Sensor Signal -
9 0.5 WH/BK 231 Oil Pressure Switch Signal -
10 0.5 VT/WH 6270 5-Volt Reference 2 -
11-15 - - - Not Used -
16 0.5 YE 7301 High Pressure Fuel Pump Actuator High Control -
17-23 - - - Not Used -
24 0.5 GY/RD 2761 Low Reference -
25 0.5 GY/BK 6272 Low Reference -
26 0.5 WH/BK 6271 Crankshaft Sensor Signal (1) -
27 0.5 OG/WH 2122 Ignition Control (2) -
28 0.5 GN/WH 2124 Ignition Control (4) -
29 0.5 BU 2123 Ignition Control (3) -
30 0.5 VT 2121 Ignition Control (1) -
31 0.5 BN 2129 Low Reference -
32 0.5 VT 7300 High Pressure Fuel Pump Actuator Low Control -
33 0.5 OG 5275 Camshaft Position Intake Sensor (1) -
34 0.5 BU 5300 5-Volt Reference 1 -
35 0.5 GN 5273 Camshaft Position Exhaust Sensor (1)  
36-38 - - - Not Used -
39 0.5 VT 5284 Camshaft Phaser Intake Solenoid (1) -
40 0.5 GN 5282 Camshaft Phaser Exhaust Solenoid (1) -
41-45 - - - Not Used -
46 0.75 BU 4802 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2 -
47 - - - Not Used -
48 0.75 GN 4803 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3 -
49 - - - Not Used -
50 0.75 BU 4804 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4 -
51 - - - Not Used -
52 0.75 BN 4801 Direct Fuel Injector (DFI) High Voltage Control Cylinder 1 -
53 0.5 WH 5301 Low Reference -
54 0.5 YE/BK 5297 5-Volt Reference 1 -
55 0.5 GY 5296 Low Reference -
56-58 - - - Not Used -
59 0.5 BN 6753 Low Reference -
60 0.5 BN/WH 6754 Low Reference -
61-65 - - - Not Used -
66 0.75 BU/WH 4902 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2 -
67 - - - Not Used -
68 0.75 GN/WH 4903 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3 -
69 - - - Not Used -
70 0.75 BU/WH 4904 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4 -
71 - - - Not Used -
72 0.75 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1 -
73 2.5 BK/WH 151 Ground -