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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 74 (Component Connector End Views (K20 (X3)-K33 (X4))) >> Component Connector End Views >> K20 Engine Control Module X3 (LYX+NTM)

K20 Engine Control Module X3 (LYX+NTM)

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
GM1590596Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0203
  • Service Connector: 19333091
  • 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 13579770 J-35616-35 (VT) J-38125-11A 7116-4152-02 Yazaki 9 2 5
II 19330179 J-35616-64B (LT BU) J-38125-215A Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 - 2 - - - Not Occupied - -
3 0.5 VT/GN 3889 Powertrain Sensor Bus Relay Control II -
4 0.5 GN/BU 428 EVAP Purge Solenoid Valve Control II -
5 - - - Not Occupied - -
6 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference II -
7 - - - Not Occupied - -
8 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5V Reference II -
9 - 13 - - - Not Occupied - -
14 0.5 WH/RD 3201 Throttle Inlet Absolute Pressure Sensor 5V Reference II -
15 0.5 YE/RD 6031 Brake Vacuum Sensor 5V Reference II -
16 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply 5 II -
17 0.5 WH/GY 4578 Surge Accumulator Solenoid Valve Low Side Control II -
18 0.5 BN 25 Charge Indicator Control II -
19 0.5 GY 23 Generator Field Duty Cycle Signal II -
20 0.5 BK/GN 580 Engine Control Sensors Low Reference 2 II -
21 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II -
22 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference II -
23 - 29 - - - Not Occupied - -
30 0.5 WH/YE 3202 Throttle Inlet Absolute Pressure Sensor 5V Reference II -
31 - 32 - - - Not Occupied - -
33 0.5 YE/GN 4321 Camshaft Position Actuator Park Lock Control II -
34 - 39 - - - Not Occupied - -
40 0.5 VT/BU 7330 Turbocharger Inlet Absolute Pressure Sensor Signal 2 II -
41 - 42 - - - Not Occupied - -
43 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal 2 II -
44 0.5 BU/WH 1937 Secondary Fuel Level Sensor Signal II -
45 - - - Not Occupied - -
46 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II -
47 0.5 WH/BU 7329 Pre-Throttle Air Temperature Signal II -
48 0.5 YE 3054 Turbocharger Intake Pressure Sensor Signal Bank 1 II -
49 - 51 - - - Not Occupied - -
52 0.5 VT/BK 7300 High Pressure Fuel Pump Low Control II -
53 - 54 - - - Not Occupied - -
55 0.5 GN/VT 4621 Engine Control Module LIN Bus 1 II -
56 - 58 - - - Not Occupied - -
59 0.5 BK/GY 2303 Knock Sensor 2 Low Reference II -
60 0.5 WH/GY 1876 Knock Sensor 2 Signal II -
61 0.5 BK/YE 1716 Knock Sensor 1 Low Reference II -
62 0.5 VT/GY 496 Knock Sensor 1 Signal II -
63 - 67 - - - Not Occupied - -
68 0.5 BU/WH 890 Fuel Tank Pressure Sensor Signal II -
69 - - - Not Occupied - -
70 0.5 WH 1579 Fuel Temperature/Composition Signal II -
71 - - - Not Occupied - -
72 0.5 YE 7301 High Pressure Fuel Pump High Control II -
73 2 BK/WH 151 Ground 1 I -