LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - G37 To K38 >> Component Connector End Views >> K20 Engine Control Module X3
April 5, 2026: LEMON Manuals is launched! Read the announcement.

K20 Engine Control Module X3

GM2533189
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-5173
  • 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 Name Core Crimp Insulation Crimp
I 13576392 J-35616-4A (PU) J-38125-12A Not Available Not Available Not Available Not Available
II 19301532 J-35616-64B (LT BU) J-38125-213 Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 - 2 - - - Not Occupied - -
3 0.5 L-BU 3722 Evap Leak Check Module (ELCM) Vacuum Pump Ground II -
4 0.5 GY 3723 Evap Leak Check Module (ELCM) Changeover Valve Ground II -
5 0.5 L-GN 3726 Diurnal Control Valve (DCV) Ground II -
6 20 YE/L-BU 5494 Cylinder Shutoff Solenoid Control 4 II -
7 - 9 - - - Not Occupied - -
10 0.5 L-GN/L-BU 428 EVAP Canister Purge Solenoid Control II -
11 - 26 - - - Not Occupied - -
27 0.5 BK/L-GN 6281 Fuel Level Sensor Low Reference II -
28 18 GY/RD 2704 Manifold Absolute Pressure Sensor 5V Reference II -
29 18 BK/L-GN 469 Manifold Absolute Pressure Sensor Low Reference II -
30 20 BK/BN 2761 Coolant Temperature Sensor Low Reference II -
31 - - - Not Occupied - -
32 20 GY/WH 3122 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 2 II -
33 - 38 - - - Not Occupied - -
39 0.5 BN/RD 3724 Evap Leak Check Module (ELCM) Pressure Sensor 5V Reference II -
40 - 42 - - - Not Occupied - -
43 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5V Reference II -
44 - - - Not Occupied - -
45 18 L-GN/WH 432 Manifold Absolute Pressure Sensor Signal II -
46 20 L-BU 410 Engine Coolant Temperature Sensor Signal II -
47 - 58 - - - Not Occupied - -
59 0.5 L-BU/L-GN 3725 Evap Leak Check Module (ELCM) Pressure Sensor Signal II -
60 - 62 - - - Not Occupied - -
63 0.5 L-BU/WH 890 Fuel Tank Pressure Sensor Signal II -
64 0.5 L-BU/VT 1589 Primary Fuel Level Sensor Signal II -
65 - 66 - - - Not Occupied - -
67 20 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor 2 II -
68 20 VT/L-BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor 2 II -
69 - 72 - - - Not Occupied - -
73 2 BK 38 Backup Lamp Relay Control I -
scientia non olet · About LEMON Manuals