LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Component Connector End Views (K9-K33A)) >> Component Connector End Views >> K20 Engine Control Module X2 (LCV)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

K20 Engine Control Module X2 (LCV)

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
GM1673472Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 34566-6863
  • Service Connector: 88988931
  • Description: 73-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-35616-4A (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 - - - Not Occupied - -
2 0.5 BU 410 Engine Coolant Temperature Sensor Signal II -
3 - - - Not Occupied - -
4 0.5 BN/RD 7445 Fuel Line Pressure Sensor 5V Reference II -
5 0.5 GY/RD 2704 Manifold Absolute Pressure Sensor 5V Reference II -
6 0.5 GY/YE 5297 Camshaft Position Exhaust Sensor Control 1 II -
7 0.5 GY/BU 5300 Camshaft Position Intake Sensor Control 1 II -
8 - 11 - - - Not Occupied - -
12 0.5 BN/RD 2701 Throttle Position Sensor 5V Reference II -
13 0.5 BU/WH 3630 Throttle Position Sensor (SENT1) Signal II -
14 0.5 WH/RD 2705 Oil Pressure Sensor 5V Reference II -
15 0.5 VT/BU 6270 Crankshaft 60X Sensor 5V Reference II -
16 - 19 - - - Not Occupied - -
20 0.5 BU/WH 7446 Fuel Line Pressure Sensor Signal II -
21 0.5 BK/GN 469 Manifold Absolute Pressure Sensor Low Reference II -
22 0.5 BK/GY 5296 Camshaft Position Exhaust Sensor Low Reference 1 II -
23 0.5 BK/GN 5301 Camshaft Position Intake Sensor Low Reference 1 II -
24 - 27 - - - Not Occupied - -
28 0.5 BK/BN 2752 Throttle Position Sensor Low Reference II -
29 0.5 YE/BN 331 Oil Pressure Sensor Signal II -
30 0.5 BK/VT 2755 Oil Pressure Sensor Low Reference II -
31 0.5 BK/VT 6272 Crankshaft 60X Sensor Low Reference II -
32 - - - Not Occupied - -
33 0.5 WH/BK 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor 1 II -
34 0.5 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor 2 II -
35 - - - Not Occupied - -
36 0.5 BK/VT 6754 Cam Phaser X Low Reference II -
37 0.5 BK/BN 6753 Cam Phaser W Low Reference II -
38 0.5 VT/BK 5273 Camshaft Position Exhaust Sensor 1 II -
39 0.5 YE/VT 5275 Camshaft Position Intake Sensor 1 II -
40 0.5 GN 6271 Crankshaft 60X Sensor Signal II -
41 - - - Not Occupied - -
42 0.5 VT/BU 6091 Crankshaft Position Sensor Replicated Signal II -
43 0.5 BK/WH 548 Engine Control Sensors Low Reference (1) II -
44 0.5 BK/BU 2129 Ignition Control Low Reference Bank 1 II -
45 0.5 GN/BU 2123 Ignition Control 3 II -
46 0.5 BU/VT 2121 Ignition Control 1 II -
47 - - - Not Occupied - -
48 0.75 BU 4802 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2 II -
49 0.75 GY/BU 4804 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4 II -
50 0.75 GN 4803 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3 II -
51 0.75 BN 4801 Direct Fuel Injector (DFI) High Voltage Control Cylinder 1 II -
52 0.5 YE 581 Throttle Actuator Control Open II -
53 0.5 VT/GY 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor 1 II -
54 0.5 VT/BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor 2 II -
55 - - - Not Occupied - -
56 0.5 GY/BU 5282 Camshaft Phaser Exhaust Solenoid 1 II -
57 0.5 VT/BN 5284 Camshaft Phaser Intake Solenoid 1 II -
58 - 59 - - - Not Occupied - -
60 0.5 GY/WH 3122 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 2 II -
61 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor 1 II -
62 - 63 - - - Not Occupied - -
64 0.5 BU 179 Oil Pump Command Signal II -
65 0.5 BU/WH 2122 Ignition Control 2 II -
66 0.5 YE/BU 2124 Ignition Control 4 II -
67 - - - Not Occupied - -
68 0.75 BU/GY 4902 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2 II -
69 0.75 BU/WH 4904 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4 II -
70 0.75 GN/GY 4903 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3 II -
71 0.75 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1 II -
72 0.5 BN/WH 582 Throttle Actuator Control Close II -
73 2 BK/WH 151 Signal Ground I -
scientia non olet · About LEMON Manuals