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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 X2 (LYX-NTM)

K20 Engine Control Module X2 (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.
GM4596458Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34576-0103
  • Service Connector: 19355678
  • Description: 49-Way F 0.64, 2.8 Series, Sealed (BK with BK 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 3122 HO2S Heater Low Control Bank 1 Sensor 2 II -
2 - - - Not Occupied - -
3 0.5 YE/VT 6030 Brake Vacuum Sensor Signal II -
4 - 6 - - - Not Occupied - -
7 0.5 GN/VT 4621 Engine Control Module LIN Bus 1 II -
8 0.5 BN/GY 4008 Humidity Sensor Signal II -
9 0.5 BN/WH 6933 HO2S Pump Current Signal II -
10 0.5 YE/GY 6936 HO2S Signal II -
11 0.5 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1 II -
12 - 13 - - - Not Occupied - -
14 0.5 WH/VT 4108 Driver Mode Switch Signal II -
15 - 18 - - - Not Occupied - -
19 0.5 GN 6935 HO2S Pump Current Trim Signal II -
20 0.5 BN 6934 HO2S Ground II -
21 0.5 GN 3060 Turbocharger Bypass Solenoid Valve Control Bank 1 II -
22 - - - Not Occupied - -
23 0.5 BU 179 Engine Oil Pump Control II -
24 0.5 WH/RD 480 Engine Control Vehicle Sensors 5 Volt Reference II -
25 0.5 WH/YE 3121 HO2S Low Signal Bank 1 Sensor 2 II -
26 0.5 WH/BK 3111 HO2S Low Signal Bank 1 Sensor 1 (3) II -
27 - - - Not Occupied - -
28 0.5 BK/GY 2303 Knock Sensor 2 Low Reference II -
29 0.5 BK/YE 1716 Knock Sensor 1 Low Reference II -
30 - - - Not Occupied - -
31 0.5 VT/BU 5294 Powertrain Main Relay Fused Supply 5 II -
32 0.5 BK/YE 548 Engine Control Sensors Low Reference 1 II -
33 0.5 GY/BK 3865 Auxiliary Heater Coolant Pump Relay Control II -
34 0.5 BN/WH 582 Throttle Actuator Close Control II -
35 0.5 BN/YE 258 Turbocharger Wastegate Solenoid Valve Control II -
36 - 37 - - - Not Occupied - -
38 0.5 BU/RD 460 Engine Oil Pressure Sensors 5 Volt Reference 1 II -
39 0.5 VT/BU 3120 HO2S High Signal Bank 1 Sensor 2 II -
40 0.5 VT/GY 3110 HO2S High Signal Bank 1 Sensor 1 II -
41 - - - Not Occupied - -
42 0.5 WH/GY 1876 Knock Sensor 2 Signal II -
43 0.5 VT/GY 496 Knock Sensor 1 Signal II -
44 0.5 YE 3054 Turbocharger Intake Pressure Sensor Signal Bank 1 II -
45 - - - Not Occupied - -
46 0.5 WH/BU 7329 Pre-Throttle Air Temperature Signal II -
47 - - - Not Occupied - -
48 0.5 YE 581 Throttle Actuator Open Control II -
49 2 BK/WH 151 Ground 1 I -