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Home >> Cadillac >> 2014 >> ELR >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - K19 To K112A (X4) >> Component Connector End Views >> K20 Engine Control Module X3
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K20 Engine Control Module X3

GM1968294
Connector Part Information
  • Harness Type:
  • OEM Connector: 12603597
  • Service Connector: 13574948
  • Description: 73-Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
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 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 BU 3722 Evap Leak Check Module (ELCM) Vacuum Pump Ground I -
4 0.5 GY 3723 Evap Leak Check Module (ELCM) Changeover Valve Ground I -
5 0.5 GN 3726 Diurnal Control Valve (DCV) Ground I -
6 0.5 YE/BU 5494 Cylinder Shutoff Solenoid Control (4) I -
7-9 - - - Not Occupied - -
10 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control I -
11-20 - - - Not Occupied - -
21 0.5 BK/BU 6785 Air Injection Reaction Control Valve #1 Low Reference I -
22-26 - - - Not Occupied - -
27 0.5 BK/GN 6281 Fuel Level Sensor Low Reference I -
28 0.8 GY/RD 2704 Manifold Absolute Pressure Sensor 5 Volt Reference I -
29 0.8 BK/GN 469 Manifold Absolute Pressure Sensor Low Reference I -
30 0.5 BK/BN 2761 Coolant Temperature Sensor 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 -
38 - - - Not Occupied - -
39 0.5 BN/RD 3724 Evap Leak Check Module (ELCM) Pressure Sensor Voltage Reference I -
40-42 - - - Not Occupied - -
43 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5 Volt Reference I -
44 - - - Not Occupied - -
45 0.8 GN/WH 432 Manifold Absolute Pressure Sensor Signal I -
46 0.5 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 -
58 - - - Not Occupied - -
59 0.5 BU/GN 3725 Evap Leak Check Module (ELCM) Pressure Sensor Signal I -
60-62 - - - Not Occupied - -
63 0.5 BU/WH 890 Fuel Tank Pressure Sensor Signal I -
64 0.5 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/BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor (2) I -
69-73 - - - Not Occupied - -
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