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Home >> Chevrolet >> 2014 >> Express 1500 LS, RWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wiring Systems And Power Management - Component Connector End Views - K17 (Except JL4) To K9 (X1) >> Component Connector End Views >> K20 Engine Control Module (ECM) X1 & X2 >> K20 Engine Control Module X2 (LU3)

K20 Engine Control Module X2 (LU3)

GM1673472
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13580811
  • Service Connector: 88988372
  • Description: 73-Way F MX123 34566 Series (L-GY)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I Pins: 4-5, 6-13, 16, 20, 30-33, 35-39, 41, 43, 45-46, 48-51, 54, 58, 65-66, 68, 70-71 - 13575575 J-35616-64B (L-BU) J-38125-213 Pins: 4-5, 6-13, 16, 20, 30-33, 35-39, 41, 43, 45-46, 48-51, 54, 58, 65-66, 68, 70-71 - 33467-0005 23 Pins: 4-5, 13, 20, 33, 35-39, 41, 45-46, 48-51, 54, 58, 65-66, 68, 70-71 - K K
II Pending J-35616-35 (VT) J-38125-11A 7116-4152-02 9 A 5
K20 Engine Control Module X2 (LU3)

Pin Size Color Circuit Function Terminal Type ID Option
1-3 - - - Not Occupied - -
4 0.5 TN 2761 Low Reference I -
5 0.35 GY/BK 6272 Low Reference I -
6 0.5 TN 1744 Fuel Injector 1 Control I -
7 0.5 YE/BK 846 Fuel Injector 6 Control I -
8 0.5 TN/WH 845 Fuel Injector 5 Control I -
9 0.5 BN 2129 Low Reference I -
10 0.5 L-BU/BK 844 Fuel Injector 4 Control I -
11 0.5 PK/BK 1746 Fuel Injector 3 Control I -
12 0.5 L-GN/BK 1745 Fuel Injector 2 Control I -
13 0.5 GY 2704 5-Volt Reference 1 I -
14-15 - - - Not Occupied - -
16 0.5 YE 581 Throttle Actuator Control Motor Control - 1 I -
17-19 - - - Not Occupied - -
20 0.35 BN 6266 Low Reference I -
21 - - - Not Occupied - -
22 0.5 PU 2121 Ignition Coil 1 Control - -
23 0.5 L-BU 2123 Ignition Coil 3 Control - -
24 0.5 OG/WH 2122 Ignition Coil 2 Control - -
25-29 - - - Not Occupied - -
30 0.5 D-GN/WH 428 Evaporative Emission (EVAP) Canister Purge Solenoid Control I -
31 0.5 OG 225 Generator Turn On Signal I -
32 0.5 BN 582 Throttle Actuator Control Motor Control - 2 I -
33 0.35 D-BU 6259 5-Volt Reference 1 I -
34 - - - Not Occupied - -
35 0.35 GY 2705 5-Volt Reference 1 I -
36 0.35 TN/WH 331 Oil Pressure Sensor Signal I -
37 0.8 PU/WH 1665 Heated Oxygen Sensor (HO2S) High Signal - Bank 1 Sensor 1 I -
38 0.8 PU 1666 Heated Oxygen Sensor (HO2S) High Signal - Bank 2 Sensor 1 I -
39 0.5 L-GN 432 Manifold Absolute Pressure (MAP) Sensor Signal I -
40 0.35 TN 2752 Low Reference I -
41 0.35 BK 2755 Low Reference I -
42 - - - Not Occupied - -
43 0.5 GY 23 Generator Field Duty Cycle Signal I -
44 - - - Not Occupied - -
45 0.35 WH/BK 6271 Crankshaft Position (CKP) Sensor Signal I -
46 0.35 D-BU/WH 6265 Camshaft Position (CMP) Sensor Signal I -
47 - - - Not Occupied - -
48 0.8 TN 1664 Heated Oxygen Sensor (HO2S) Low Signal - Bank 1 Sensor 1 I -
49 0.5 OG/BK 469 Low Reference I -
50 0.5 GY 1716 Knock Sensor (KS) 1 Signal I -
51 0.5 D-BU 496 Knock Sensor (KS) 1 Signal I -
52 - - - Not Occupied - -
53 0.35 GY 2701 5-Volt Reference 2 I -
54 0.35 PU/WH 6270 5-Volt Reference 2 I -
55-56 - - - Not Occupied - -
57 0.35 D-GN 485 Throttle Position (TP) Sensor 1 Signal I -
58 0.5 YE 410 Engine Coolant Temperature (ECT) Sensor Signal I -
59 0.35 PU 486 Throttle Position (TP) Sensor 2 Signal I -
60-64 - - - Not Occupied - -
65 0.8 GY/WH 3113 Heated Oxygen Sensor (HO2S) Heater Low Control - Bank 1 Sensor 1 I -
66 0.8 L-GN 3212 Heated Oxygen Sensor (HO2S) Heater Low Control - Bank 2 Sensor 1 I -
67 - - - Not Occupied - -
68 0.8 TN 1667 Heated Oxygen Sensor (HO2S) Low Signal - Bank 2 Sensor 1 I -
69 - - - Not Occupied - -
70 0.5 GY 2303 Knock Sensor (KS) 2 Signal I -
71 0.5 L-BU 1876 Knock Sensor (KS) 2 Signal I -
72 - - - Not Occupied - -
73 3 BK/WH 1551 Ground - -