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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
III Not Required No Tool Required No Tool Required Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 YE/GN 4321 Camshaft Position Actuator Park Lock Control II LYX
2 0.5 BN 25 Charge Indicator Control II -
3 - - - Not Occupied - -
4 0.5 GY/BU 5282 Exhaust Camshaft Position Actuator Solenoid Valve 1 II -
5 0.5 VT/BN 5284 Intake Camshaft Position Actuator Solenoid Valve 1 II -
6 0.5 VT/GN 4320 Selective Catalytic Reduction Power Module Wake-Up Signal II -
7 0.5 VT/BK 5273 Exhaust Camshaft Position Sensor 1 II -
8 0.5 YE/VT 5275 Intake Camshaft Position Sensor 1 II -
9 0.5 GY/BU 5300 Intake Camshaft Position Sensor 1 Voltage Reference II -
10 0.5 GN 6271 Crankshaft Position Sensor Signal II -
11 0.5 VT/BU 6091 Crankshaft Position Sensor Replicated Signal II -
12 0.5 BU/WH 2122 Ignition Control 2 II -
13 0.5 GN/BU 2123 Ignition Control 3 II -
14 0.5 BN 25 Charge Indicator Control III -
15 0.5 WH/GY 4578 Surge Accumulator Solenoid Valve Low Side Control II -
16 0.5 YE 7301 High Pressure Fuel Pump High Control II -
17 - 19 - - - Not Occupied - -
20 0.5 BK/VT 6754 Camshaft Position Actuator Solenoid Valve X Low Reference II -
21 0.5 BK/BN 6753 Camshaft Position Actuator Solenoid Valve W Low Reference II -
22 0.5 BK/GY 5296 Exhaust Camshaft Position Sensor Low Reference 1 II -
23 0.5 GY/YE 5297 Exhaust Camshaft Position Sensor 1 Voltage Reference II -
24 0.5 BK/GN 5301 Intake Camshaft Position Sensor Low Reference 1 II -
25 0.5 VT/BU 6270 Crankshaft Position Sensor Voltage II -
26 0.5 BK/VT 6272 Crankshaft Position Sensor Low Reference II -
27 - - - Not Occupied - -
28 0.5 YE/BU 2124 Ignition Control 4 II -
29 0.5 BU/VT 2121 Ignition Control 1 II -
30 0.5 BK/BU 2129 Ignition Control Low Reference Bank 1 II -
31 - - - Not Occupied - -
32 0.5 VT/BK 7300 High Pressure Fuel Pump Low Control II -
33 0.5 YE/BK 625 Starter Enable Relay Control II -
34 - 35 - - - Not Occupied - -
36 0.5 BK/BN 2752 Throttle Position Sensor Low Reference II -
37 0.5 BK/GN 469 Manifold Absolute Pressure Sensor Low Reference II -
38 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal II -
39 - 42 - - - Not Occupied - -
43 0.5 BK/GY 626 Engine Control Vehicle Sensors Low Reference 1 II -
44 - 48 - - - Not Occupied - -
49 0.75 BU 4802 Direct Fuel Injector High Voltage Control Cylinder 2 II -
50 0.75 GY/BU 4804 Direct Fuel Injector High Voltage Control Cylinder 4 II -
51 0.75 GN 4803 Direct Fuel Injector High Voltage Control Cylinder 3 II -
52 0.75 BN 4801 Direct Fuel Injector High Voltage Control Cylinder 1 II -
53 - 54 - - - Not Occupied - -
55 0.5 BN/RD 2701 Throttle Position Sensor 5V Reference 2 II -
56 0.5 BU/WH 3630 Throttle Position Sensor SENT 1 Signal II -
57 0.5 GY/RD 2704 Manifold Absolute Pressure Sensor 5V Reference II -
58 0.5 GN/WH 432 Manifold Absolute Pressure Sensor Signal II -
59 - 60 - - - Not Occupied - -
61 0.5 BU 410 Engine Coolant Temperature Sensor Signal II -
62 - - - Not Occupied - -
63 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II -
64 0.5 GY 23 Generator Field Duty Cycle Signal II -
65 - 68 - - - Not Occupied - -
69 0.75 BU/GY 4902 Direct Fuel Injector High Voltage Supply Cylinder 2 II -
70 0.75 BU/WH 4904 Direct Fuel Injector High Voltage Supply Cylinder 4 II -
71 0.75 GN/GY 4903 Direct Fuel Injector High Voltage Supply Cylinder 3 II -
72 0.75 BN/WH 4901 Direct Fuel Injector High Voltage Supply Cylinder 1 II -
73 2 BK/WH 151 Ground 1 I -
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