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Home >> Chevrolet >> 2014 >> Volt >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - K9 (X2) To K83 >> Component Connector End Views >> K20 Engine Control Module X3

K20 Engine Control Module X3

GM2533189
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-5173
  • Service Connector: 13574948
  • 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 19119374 J-35616-35 (VT) J-38125-36 Not Available Not Available Not Available Not Available
K20 Engine Control Module X3

Pin Size Color Circuit Function Terminal Type ID Option
1-2 - - - Not Occupied - -
3 0.5 L-BU 3722 Evaporative Emission System Leak Detection Pump Assembly Vacuum Pump Ground I -
4 0.5 GY 3723 Evaporative Emission System Leak Detection Pump Assembly Changeover Valve Ground I -
5 0.5 L-GN 3726 Evaporative Emission Vent Solenoid Valve Ground I -
6 0.5 YE/L-BU 5494 Cylinder Shutoff Solenoid Control (4) I -
7-9 - - - Not Occupied - -
10 0.5 L-GN/L-BU 428 EVAP Canister Purge Solenoid Control I -
11-20 - - - Not Occupied - -
21 0.5 BK/L-BU 6785 Air Injection Reaction Control Valve #1 Low Reference I NU6
22-26 - - - Not Occupied - -
27 0.5 BK/L-GN 6281 Low Reference I -
28 0.5 GY/RD 2704 5 Volt Reference I -
29 0.5 BK/L-GN 469 Low Reference I -
30 0.5 BK/BN 2761 Low Reference I -
31 - - - Not Occupied - -
32 0.5 GY/WH 3122 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2) I -
33-36 - - - Not Occupied - -
37 0.5 WH/BN 6452 Air Injection Reaction Pump Sensor Supply Voltage I NU6
38 - - - Not Occupied - -
39 0.5 BN/RD 3724 Evaporative Emission System Leak Detection Pump Assembly Pressure Sensor Voltage Reference I -
40-42 - - - Not Occupied - -
43 0.5 YE/RD 2709 5 Volt Reference I -
44 - - - Not Occupied - -
45 0.5 L-GN/WH 432 Manifold Absolute Pressure Sensor Signal I -
46 0.5 L-BU 410 Engine Coolant Temperature Sensor Signal I -
47-56 - - - Not Occupied - -
57 0.5 BK/BN 6331 Air Injection Reaction Pump Pressure Sensor Signal I NU6
58 - - - Not Occupied - -
59 0.5 L-BU/L-GN 3725 Evaporative Emission System Leak Detection Pump Assembly Pressure Sensor Signal I -
60-62 - - - Not Occupied - -
63 0.5 L-BU/WH 890 Fuel Tank Pressure Sensor Signal I -
64 0.5 L-BU/VT 1589 Primary Fuel Level Sensor Signal I -
65-66 - - - Not Occupied - -
67 0.5 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor (2) I -
68 0.5 VT/L-BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor (2) I -
69-73 - - - Not Occupied - -
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