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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 (LTG)

K20 Engine Control Module X3 (LTG)

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 0.5 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 II LTG
2 - - - Not Occupied - -
3 0.5 VT/GN 3889 Powertrain Sensor Bus Relay Control II LTG
4 0.5 GN/BU 428 EVAP Purge Solenoid Valve Control II LTG
5 - - - Not Occupied - -
6 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference II LTG
7 - - - Not Occupied - -
8 0.5 YE/RD 2709 Fuel Tank Pressure Sensor 5V Reference II LTG+(NTB/NUB)
9 - 13 - - - Not Occupied - -
14 0.5 BK/VT 7331 Turbocharger Inlet Absolute Pressure Sensor 5 Volt Reference 2 II LTG
15 0.5 YE/RD 6031 Brake Vacuum Sensor 5V Reference II KL9+LTG
16 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply 5 II LTG
17 - - - Not Occupied - -
18 0.5 BN 25 Charge Indicator Control II LTG
19 0.5 GY 23 Generator Field Duty Cycle Signal II LTG
20 0.5 BK/GN 580 Engine Control Sensors Low Reference 2 II LTG
21 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II LTG
22 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference II LTG
23 - 29 - - - Not Occupied - -
30 0.5 GY/RD 7332 Turbocharger Inlet Absolute Pressure Sensor 5 Volt Feedback Signal 2 II LTG
31 - 34 - - - Not Occupied - -
35 0.5 GN 6935 HO2S Pump Current Trim Signal II LTG
36 0.5 YE/GY 6936 HO2S Signal II LTG
37 0.5 BN/WH 6933 HO2S Pump Current Signal II LTG
38 0.5 BN 6934 HO2S Ground II LTG
39 - - - Not Occupied - -
40 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal II LTG
41 0.5 BN/GN 1174 Oil Level Switch Signal II -
42 - - - Not Occupied - -
43 0.5 BU/VT 1589 Primary Fuel Level Sensor Signal 2 II LTG
44 0.5 BU/WH 1937 Secondary Fuel Level Sensor Signal II F48+LTG
45 - - - Not Occupied - -
46 0.5 VT/BU 7330 Turbocharger Inlet Absolute Pressure Sensor Signal 2 II LTG
47 0.5 WH/BU 7329 Pre-Throttle Air Temperature Signal II LTG
48 0.5 YE 3054 Turbocharger Intake Pressure Sensor Signal Bank 1 II LTG
49 - 51 - - - Not Occupied - -
52 0.5 VT/BK 7300 High Pressure Fuel Pump Low Control II LTG
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 LTG
60 0.5 WH/GY 1876 Knock Sensor 2 Signal II LTG
61 0.5 BK/YE 1716 Knock Sensor 1 Low Reference II LTG
62 0.5 VT/GY 496 Knock Sensor 1 Signal II LTG
63 - 67 - - - Not Occupied - -
68 0.5 BU/WH 890 Fuel Tank Pressure Sensor Signal II LTG+(NTB/NUB)
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 LTG
73 2 BK/WH 151 Ground 1 I LTG
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