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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - G14 Through K71 TCM X2 >> Component Connector End Views >> K20 Engine Control Module X2 (LEA and NU6)

K20 Engine Control Module X2 (LEA and NU6)

GM1590596
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 15499466
  • Service Connector: 88988931
  • Description: 73-Way F MX123 Series, Sealed (BK with BK Terminal Position Assurance Lock)
Terminal Part Information
  • Pins: 1-3, 10, 12, 16-19, 26, 28, 32-36, 41-44, 49, 51-56, 58, 63, 69
  • Terminated Lead: Pending
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pin: 73
  • Terminated Lead: 13575351
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: 1326030-8/17
  • Core/Insulation Crimp: A/4
K20 Engine Control Module X2 (LEA and NU6)

Pin Size Color Circuit Function Option
1 0.5 WH/BN 6331 Air Injection Reaction Pump Pressure Sensor Signal -
2 0.5 WH/BN 6452 Air Injection Reaction Pump Sensor Supply Voltage -
3 0.5 BK/D-BU 808 Low Reference -
4-9 - - - Not Used -
10 0.5 VT/GY 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor (1) -
11 - - - Not Used -
12 0.5 VT/D-BU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor (2) -
13-15 - - - Not Used -
16 0.5 BN/WH 582 Throttle Actuator Control Close -
17 0.5 BK/D-BU 6785 Low Reference -
18 0.5 GY/RD 598 5-Volt Reference 1 -
19 0.5 D-BU/WH 2918 Fuel Rail Pressure Sensor Signal -
20-25 - - - Not Used -
26 0.5 WH/BK 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor (1) -
27 - - - Not Used -
28 0.5 WH/YE 3121 Heated Oxygen Sensor Low Signal Bank 1 Sensor (2) -
29-31 - - - Not Used -
32 0.5 YE 581 Throttle Actuator Control Open -
33 0.5 BN/L-GN 485 Throttle Position Sensor Signal (1) -
34 0.5 BN/RD 2701 5-Volt Reference 4 -
35 0.5 BN/D-BU 486 Throttle Position Sensor Signal (2) -
36 0.5 VT/GY 496 Knock Sensor Signal (1) -
37-40 - - - Not Used -
41 0.5 GY/WH 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1) -
42 0.5 GY/WH 3122 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2) -
43 0.5 L-GN/WH 432 Manifold Absolute Pressure Sensor Signal -
44 0.5 GY/RD 2704 5-Volt Reference 3 -
45-48 - - - Not Used -
49 0.5 WH/D-BU 6289 Induction Air Temperature Sensor Signal -
50 - - - Not Used -
51 0.5 L-GN/D-BU 428 EVAP Canister Purge Solenoid Control -
52 0.5 L-GN/WH 492 Mass Air Flow Sensor Signal -
53 0.5 BN 25 Charge Indicator Control -
54 0.5 BK/BN 2752 Low Reference -
55 0.5 GY 23 Generator Field Duty Cycle Signal -
56 0.5 BK/YE 1716 Knock Sensor (1) -
57 - - - Not Used -
58 0.5 WH/GY 1786 Transmission Park/Neutral Signal (1) -
59-62 - - - Not Used -
63 0.5 BK/L-GN 469 Low Reference -
64-68 - - - Not Used -
69 0.5 BK/VT 2760 Low Reference -
70-72 - - - Not Used -
73 1.5 BK/WH 451 Ground -