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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - K20 X2 (LHU) To P19H >> Component Connector End Views >> K20 Engine Control Module X3 (LEA)

K20 Engine Control Module X3 (LEA)

GM1590596
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0203
  • Service Connector: 88988372
  • Description: 73-Way F MX123 34566 Series (BK with GY Terminal Position Assurance Lock)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I Pending Pending Pending Pending Pending Pending Pending
K20 Engine Control Module X3 (LEA)

Pin Size Color Circuit Function Terminal Type ID Option
1-7 - - - Not Occupied - -
8 0.5 BU/BK 410 Engine Coolant Temperature Sensor Signal I -
9 0.5 YE/BU 231 Oil Pressure Switch Signal I -
10 0.5 VT/BU 6270 Crankshaft 60X Sensor Voltage I -
11-15 - - - Not Occupied - -
16 0.75 YE 7301 High Pressure Fuel Pump Actuator High - Control I -
17-23 - - - Not Occupied - -
24 0.5 BN 2761 Coolant Temperature Sensor Low Reference I -
25 0.5 GN 6271 Crankshaft 60X Sensor Signal I -
26 0.5 BK/VT 6272 Crankshaft Position Sensor Signal (1) I -
27 0.5 BU/WH 2122 Ignition Control (2) I -
28 0.5 YE/BU 2124 Ignition Control (4) I -
29 0.5 GN/BU 2123 Ignition Control (3) I -
30 0.5 BU/VT 2121 Ignition Control (1) I -
31 0.5 BK/GY 453 Ignition Control Low Reference I -
32 0.75 VT/BK 7300 High Pressure Fuel Pump Actuator Low - Control I -
33 0.5 YE/VT 5275 Camshaft Position Intake Sensor (1) I -
34 0.5 GY/BU 5300 Camshaft Position Intake Sensor Supply Voltage (1) I -
35 0.5 VT/BK 5273 Camshaft Position Exhaust Sensor (1) I -
36-38 - - - Not Occupied - -
39 0.5 GY/BU 5284 Camshaft Phaser Intake Solenoid (1) I -
40 0.5 GY/YE 5282 Camshaft Phaser Exhaust Solenoid (1) I -
41-45 - - - Not Occupied - -
46 0.75 BN/YE 844 Fuel Injector Control (4) I -
47 - - - Not Occupied - -
48 0.75 YE/WH 1745 Fuel Injector Control (2) I -
49 - - - Not Occupied - -
50 0.75 BN/VT 1746 Fuel Injector Control (3) I -
51 - - - Not Occupied - -
52 0.75 BN/VT 1744 Fuel Injector Control (1) I -
53 0.5 BK/GN 5301 Camshaft Position Intake Sensor Low Reference (1) I -
54 0.5 YE/BK 5297 Camshaft Position Exhaust Sensor Supply Voltage (1) I -
55 0.5 BK/GY 5296 Camshaft Position Exhaust Sensor Low Reference (1) I -
56-58 - - - Not Occupied - -
59 0.5 VT/BN 6753 Cam Phaser W Return Low Reference I -
60 0.5 GY/BU 6754 Cam Phaser X Return Low Reference I -
61-65 - - - Not Occupied - -
66 0.75 BU/GY 5425 Fuel Injector Supply Voltage (4) I -
67 - - - Not Occupied - -
68 0.75 BU/YE 5422 Fuel Injector Supply Voltage (2) I -
69 - - - Not Occupied - -
70 0.75 BU/GN 5423 Fuel Injector Supply Voltage (3) I -
71 - - - Not Occupied - -
72 0.75 BU/WH 5421 Fuel Injector Supply Voltage (1) I -
73 1.5 BK 450 Ground I -