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Home >> Chevrolet >> 2014 >> Express 1500 LS, RWD >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> 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 (LC8, LMF, L20 or L96)

K20 Engine Control Module X2 (LC8, LMF, L20 or L96)

GM1830236
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13536319
  • Service Connector: 19115670
  • Description: 80-Way F MX123 34566 Series (GY)
Terminal Part Information

Terminal Type ID Terminated Lead Diagnostic Test Probe Terminal Removal Tool Service Terminal Tray Core Crimp Insulation Crimp
I 13575575 J-35616-64B (L-BU) J-38125-213 33467-0005 23 Pins: 2, 12-13, 16, 21-22, 26-27, 29-30, 34, 41, 43-44, 50, 52-53, 56-60, 64, 66, 68-79 - K K
II 13575811 J-35616-64B (L-BU) J-38125-213 33467-0003 23 H H
K20 Engine Control Module X2 (LC8, LMF, L20 or L96)

Pin Size Color Circuit Function Terminal Type ID Option
1 - - - Not Occupied - -
2 0.35 PU/WH 6270 5-Volt Reference 2 I -
3 0.35 GY 2701 5-Volt Reference 2 II -
4 - - - Not Occupied - -
5 0.5 BN 582 Throttle Actuator Control Motor Control - 2 I -
6 0.5 YE 581 Throttle Actuator Control Motor Control - 1 I -
7 - - - Not Occupied - -
8 0.5 D-GN/WH 428 Evaporative Emission (EVAP) Canister Purge Solenoid Control I -
9-11 - - - Not Occupied - -
12 0.8 GY/WH 3113 Heated Oxygen Sensor (HO2S) Heater Low Control - Bank 1 Sensor 1 I -
13 0.8 L-GN 3212 Heated Oxygen Sensor (HO2S) Heater Low Control - Bank 2 Sensor 1 I -
14-15 - - - Not Occupied - -
16 0.8 PU 5284 Camshaft Phaser Intake Solenoid (1) I L96
17 0.5 D-BU/WH 878 Fuel Injector 8 Control I -
18 0.5 TN/WH 845 Fuel Injector 5 Control I -
19 0.5 YE/BK 846 Fuel Injector 6 Control I -
20 0.5 TN 1744 Fuel Injector 1 Control I -
21 0.5 YE 410 Engine Coolant Temperature (ECT) Sensor Signal I -
22 0.5 TN 2761 Low Reference I -
23-25 - - - Not Occupied - -
26 0.8 D-BU 496 Knock Sensor (KS) 1 Signal I -
27 0.8 GY 1716 Knock Sensor (KS) 1 Signal I -
28 - - - Not Occupied - -
29 0.8 L-BU 1876 Knock Sensor (KS) 2 Signal I -
30 0.8 GY 2303 Knock Sensor (KS) 2 Signal I -
31 - - - Not Occupied - -
32 0.5 GY 23 Generator Field Duty Cycle Signal I -
33 - - - Not Occupied - -
34 0.35 BK 2755 Low Reference I -
35 0.35 TN 2752 Low Reference II -
36 - - - Not Occupied - -
37 0.5 L-GN/BK 1745 Fuel Injector 2 Control I -
38 0.5 PK/BK 1746 Fuel Injector 3 Control I -
39 0.5 L-BU/BK 844 Fuel Injector 4 Control I -
40 0.5 OG/BK 877 Fuel Injector 7 Control I -
41 0.35 GY 2705 5-Volt Reference 1 I -
42 - - - Not Occupied - -
43 0.35 GY 2704 5-Volt Reference 1 I -
44 0.35 D-BU 6259 5-Volt Reference 1 I -
45-49 - - - Not Occupied - -
50 0.35 TN/WH 331 Oil Pressure Sensor Signal I -
51 - - - Not Occupied - -
52 0.8 TN 2199 Low Reference I L96
53 0.35 OG/BK 469 Low Reference I -
54-55 - - - Not Occupied - -
56 0.8 TN 1664 Heated Oxygen Sensor (HO2S) Low Signal - Bank 1 Sensor 1 I -
57 0.8 PU/WH 1665 Heated Oxygen Sensor (HO2S) High Signal - Bank 1 Sensor 1 I -
58 0.35 L-GN 432 Manifold Absolute Pressure (MAP) Sensor Signal I -
59 0.8 PU 1666 Heated Oxygen Sensor (HO2S) High Signal - Bank 2 Sensor 1 I -
60 0.8 TN 1667 Heated Oxygen Sensor (HO2S) Low Signal - Bank 2 Sensor 1 I -
61 0.5 OG 225 Generator Turn On Signal I -
62 - - - Not Occupied - -
63 0.35 PU 486 Throttle Position (TP) Sensor 2 Signal II -
64 0.35 D-BU/WH 6265 Camshaft Position (CMP) Sensor Signal I -
65 0.35 D-GN 485 Throttle Position (TP) Sensor 1 Signal II -
66 0.35 BN 6266 Low Reference I -
67 - - - Not Occupied - -
68 0.35 WH/BK 6271 Crankshaft Position (CKP) Sensor Signal I -
69 0.35 GY/BK 6272 Low Reference I -
70 0.8 PU 2121 Ignition Coil 1 Control I -
71 0.8 PU/WH 2128 Ignition Coil 8 Control I -
72 0.8 OG 2127 Ignition Coil 7 Control I -
73 0.8 OG/WH 2122 Ignition Coil 2 Control I -
74 0.8 L-BU/WH 2126 Ignition Coil 6 Control I -
75 0.8 D-GN 2125 Ignition Coil 5 Control I -
76 0.8 D-GN/WH 2124 Ignition Coil 4 Control I -
77 0.8 L-BU 2123 Ignition Coil 3 Control I -
78 0.8 BN 2129 Low Reference I -
79 0.8 BN/WH 2130 Low Reference I -
80 - - - Not Occupied - -