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Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - K20 X1 (LF3) To K36 X1 >> Component Connector End Views >> K20 Engine Control Module X3 (LF3)
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K20 Engine Control Module X3 (LF3)

GM1590596
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-0203
  • Service Connector: 88988372
  • 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 13575812 J-35616-64B (LT BU) J-38125-12A Not Available Not Available Not Available Not Available
II 13576392 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 - 2 - - - Not Occupied - -
3 0.5 YE 3054 Turbo Intake Pressure Sensor Signal Bank 1 I -
4 - 7 - - - Not Occupied - -
8 0.5 L-BU 410 Engine Coolant Temperature Sensor Signal I -
9 0.5 YE/L-BU 231 Oil Pressure Switch Signal I -
10 0.5 VT/L-BU 6270 Crankshaft 60X Sensor 5V Reference I -
11 - 12 - - - Not Occupied - -
13 0.5 BN/L-BU 2126 Ignition Control 6 I -
14 0.5 L-BU/GY 2125 Ignition Control 5 I -
15 0.5 BK/GY 2130 Ignition Control Low Reference Bank 2 I -
16 0.5 YE 7301 High Pressure Fuel Pump Actuator High - Control I -
17 - - - Not Occupied - -
18 0.5 GY/RD 3053 Turbo Intake Pressure Sensor High Reference Bank 1 I -
19 - 23 - - - Not Occupied - -
24 0.5 BK/BN 2761 Coolant Temperature Sensor Low Reference I -
25 0.5 BK/VT 6272 Crankshaft 60X Sensor Low Reference I -
26 0.5 L-GN 6271 Crankshaft 60X Sensor Signal I -
27 0.5 YE/L-BU 2124 Ignition Control 4 I -
28 0.5 L-GN/L-BU 2123 Ignition Control 3 I -
29 0.5 L-BU/WH 2122 Ignition Control 2 I -
30 0.5 L-BU/VT 2121 Ignition Control 1 I -
31 0.5 BK/L-BU 2129 Ignition Control Low Reference Bank 1 I -
32 0.5 VT/BK 7300 High Pressure Fuel Pump Actuator Low - Control I -
33 0.5 YE/VT 5275 Camshaft Position Intake Sensor 1 I -
34 0.5 GY/L-BU 5300 Camshaft Position Intake Sensor Control 1 I -
35 0.5 VT/BK 5273 Camshaft Position Exhaust Sensor 1 I -
36 0.5 YE 5276 Camshaft Position Intake Sensor 2 I -
37 0.5 WH/L-BU 5302 Camshaft Position Intake Sensor Control 2 I -
38 0.5 VT/L-BU 5274 Camshaft Position Exhaust Sensor 2 I -
39 0.5 VT/BN 5284 Camshaft Phaser Intake Solenoid 1 I -
40 0.5 GY/L-BU 5282 Camshaft Phaser Exhaust Solenoid 1 I -
41 0.5 L-GN 5272 Camshaft Phaser Intake Solenoid 2 I -
42 0.5 L-GN/BN 5283 Camshaft Phaser Exhaust Solenoid 2 I -
43 - 45 - - - Not Occupied - -
46 0.75 GY/L-BU 4804 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4 I -
47 0.75 WH/L-GN 4805 Direct Fuel Injector (DFI) High Voltage Control Cylinder 5 I -
48 0.75 L-BU 4802 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2 I -
49 - - - Not Occupied - -
50 0.75 L-GN 4803 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3 I -
51 0.75 VT/L-GN 4806 Direct Fuel Injector (DFI) High Voltage Control Cylinder 6 I -
52 0.75 BN 4801 Direct Fuel Injector (DFI) High Voltage Control Cylinder 1 I -
53 0.5 BK/L-GN 5301 Camshaft Position Intake Sensor Low Reference 1 I -
54 0.5 GY/YE 5297 Camshaft Position Exhaust Sensor Control 1 I -
55 0.5 BK/GY 5296 Camshaft Position Exhaust Sensor Low Reference 1 I -
56 0.5 BK/VT 5303 Camshaft Position Intake Sensor Low Reference 2 I -
57 0.5 L-GN/BN 5298 Camshaft Position Exhaust Sensor Control 2 I -
58 0.5 BK/BN 5299 Camshaft Position Exhaust Sensor Low Reference 2 I -
59 0.5 BK/BN 6753 Cam Phaser W Low Reference I -
60 0.5 BK/VT 6754 Cam Phaser X Low Reference I -
61 0.5 BK/L-BU 6755 Cam Phaser Y Low Reference I -
62 0.5 BK/GY 6756 Cam Phaser Z Low Reference I -
63 - 65 - - - Not Occupied - -
66 0.75 L-BU/WH 4904 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4 I -
67 0.75 L-GN/WH 4905 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 5 I -
68 0.75 L-BU/GY 4902 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2 I -
69 - - - Not Occupied - -
70 0.75 L-GN/GY 4903 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3 I -
71 0.75 VT/GY 4906 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 6 I -
72 0.75 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1 I -
73 2.5 BK/WH 451 Signal Ground II -
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