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K20 Engine Control Module X3 (LGX)

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
GM2533189Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12603597
  • 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 13579770 J-35616-4A (PU) J-38125-11A 7116-4152-02 Yazaki 9 2 5
II 19330179 J-35616-64B (LT BU) J-38125-12A Not Available Not Available Not Available Not Available
Pin Size Color Circuit Function Terminal Type ID Option
1 0.5 GN 5492 Cylinder Shutoff Solenoid Control 2 II LGX
2 0.5 BU 5491 Cylinder Shutoff Solenoid Control 1 II LGX
3 0.5 GN/BN 5298 Camshaft Position Exhaust Sensor Control 2 II LGX
4 0.5 YE 5276 Camshaft Position Intake Sensor 2 II LGX
5 0.5 WH/BU 5302 Camshaft Position Intake Sensor Control 2 II LGX
6 0.5 VT/BU 6270 Crankshaft 60X Sensor 5V Reference II -
7 0.5 GN 6271 Crankshaft 60X Sensor Signal II -
8 0.5 BN/RD 2701 Throttle Position Sensor 5V Reference II LGX
9 - 10 - - - Not Occupied - -
11 0.5 WH/GY 4578 Surge Accumulator Solenoid Low Side Control II LGX
12 0.5 BN/BU 2126 Ignition Control 6 II LGX
13 0.5 BU/GY 2125 Ignition Control 5 II LGX
14 0.5 YE/BU 2124 Ignition Control 4 II LGX
15 0.5 BK/GY 2130 Ignition Control Low Reference Bank 2 II LGX
16 0.75 YE 7301 High Pressure Fuel Pump Actuator High - Control II LGX
17 0.5 YE/GN 4321 Park Phaser Lock Control II LGX
18 0.5 GY/GN 587 Skip/Shift Solenoid Control II LGX
19 0.5 BK/BN 5299 Camshaft Position Exhaust Sensor Low Reference 2 II LGX
20 0.5 VT/BU 5274 Camshaft Position Exhaust Sensor 2 II LGX
21 0.5 BK/VT 5303 Camshaft Position Intake Sensor Low Reference 2 II LGX
22 0.5 BK/VT 6272 Crankshaft 60X Sensor Low Reference II -
23 0.5 BU/WH 3630 Throttle Position Sensor (SENT1) Signal II LGX
24 0.5 BK/BN 2752 Throttle Position Sensor Low Reference II LGX
25 0.5 WH 121 Engine Speed Signal II LGX
26 0.5 BN 25 Charge Indicator Control II LGX
27 - - - Not Occupied - -
28 0.5 GN/BU 2123 Ignition Control 3 II LGX
29 0.5 BU/WH 2122 Ignition Control 2 II LGX
30 0.5 BU/VT 2121 Ignition Control 1 II LGX
31 0.5 BK/BU 2129 Ignition Control Low Reference Bank 1 II LGX
32 0.75 VT/BK 7300 High Pressure Fuel Pump Actuator Low - Control II LGX
33 0.5 GN/BU 428 EVAP Canister Purge Solenoid Control II LGX
34 0.5 BU 179 Oil Pump Command Signal II -
35 0.5 GY/YE 5297 Camshaft Position Exhaust Sensor Control 1 II LGX
36 0.5 VT/BK 5273 Camshaft Position Exhaust Sensor 1 II LGX
37 0.5 BK/GY 5296 Camshaft Position Exhaust Sensor Low Reference 1 II LGX
38 0.5 BU 410 Engine Coolant Temperature Sensor Signal II LGX
39 - - - Not Occupied - -
40 0.5 BN/RD 2917 Fuel Rail Pressure Sensor 5V Reference II LGX
41 0.5 BK/GN 2919 Fuel Rail Pressure Sensor Low Reference II LGX
42 - - - Not Occupied - -
43 0.5 BK/BU 6755 Cam Phaser Y Low Reference II LGX
44 0.5 GN 5272 Camshaft Phaser Intake Solenoid 2 II LGX
45 0.5 VT/BN 5284 Camshaft Phaser Intake Solenoid 1 II LGX
46 0.5 BK/BN 6753 Cam Phaser W Low Reference II LGX
47 0.75 WH/GN 4805 Direct Fuel Injector (DFI) High Voltage Control Cylinder 5 II LGX
48 0.75 BU 4802 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2 II LGX
49 0.75 BN 4801 Direct Fuel Injector (DFI) High Voltage Control Cylinder 1 II LGX
50 0.75 GY/BU 4804 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4 II LGX
51 0.75 VT/GN 4806 Direct Fuel Injector (DFI) High Voltage Control Cylinder 6 II LGX
52 0.75 GN 4803 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3 II LGX
53 - 54 - - - Not Occupied - -
55 0.5 GY/BU 5300 Camshaft Position Intake Sensor Control 1 II LGX
56 0.5 YE/VT 5275 Camshaft Position Intake Sensor 1 II LGX
57 0.5 BK/GN 5301 Camshaft Position Intake Sensor Low Reference 1 II LGX
58 - 59 - - - Not Occupied - -
60 0.5 BU/WH 2918 Fuel Rail Pressure Sensor Signal II LGX
61 0.5 GY 23 Generator Field Duty Cycle Signal II LGX
62 - - - Not Occupied - -
63 0.5 BK/GY 6756 Cam Phaser Z Low Reference II LGX
64 0.5 GN/BN 5283 Camshaft Phaser Exhaust Solenoid 2 II LGX
65 0.5 GY/BU 5282 Camshaft Phaser Exhaust Solenoid 1 II LGX
66 0.5 BK/VT 6754 Cam Phaser X Low Reference II LGX
67 0.75 GN/WH 4905 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 5 II LGX
68 0.75 BU/GY 4902 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2 II LGX
69 0.75 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1 II LGX
70 0.75 BU/WH 4904 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4 II LGX
71 0.75 VT/GY 4906 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 6 II LGX
72 0.75 GN/GY 4903 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3 II LGX
73 2 BK/WH 451 Signal Ground I LGX
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