LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2013 >> Impala LS >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - A/C Compressor Clutch To Heated Seat Control Module X1 >> Component Connector End Views >> Engine Control Module (ECM) X3 (LFX)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module (ECM) X3 (LFX)

GM2533189Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 13820146
  • Service Connector: Pending
  • Description: 73-Way F MX123 34566 Series (BK with GY Terminal Position Assurance Lock)
Terminal Part Information
  • Pins: 8-10, 13-16, 24-42, 46-48, 50-62, 66-68, 70-72
  • Terminated Lead: 13588062
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-35 (VT)
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
  • Pins: 73
  • Terminated Lead: Service by Harness - See Part Catalog
  • Release Tool: Pending
  • Diagnostic Test Probe: Pending
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
Engine Control Module (ECM) X3 (LFX)

Pin Wire Circuit Function
1-7 - - Not Available
8 0.5 YE 410 ECT Sensor Signal
9 0.5 TN/BK 231 Oil Pressure Switch Signal
10 0.5 PU/WH 6270 5-Volt 2 Reference
11-12 - - Not Available
13 0.5 L-BU/WH 2126 IC 6 Control
14 0.5 D-GN 2125 IC 5 Control
15 0.5 BN/WH 2130 Low Reference
16 0.5 YE 7301 High Pressure Fuel Pump Actuator High Control
17-22 - - Not Available
23 - - Not Available
24 0.5 TN 476 Low Reference
25 0.5 GY/BK 6272 Low Reference
26 0.5 WH/BK 6271 Crankshaft Position Sensor Signal
27 0.5 D-GN/WH 2124 IC 4 Control
28 0.5 L-BU 2123 IC 3 Control
29 0.5 OG/WH 2122 IC 2 Control
30 0.5 PU 2121 IC 1 Control
31 0.5 BN 2129 Low Reference
32 0.5 PU 7300 High Pressure Fuel Pump Actuator Low Control
33 0.5 OG 5275 Camshaft Position (CMP) Sensor - Intake Bank 1 Signal
34 0.5 D-BU 5300 5-Volt 1 Reference
35 0.5 D-GN 5273 Camshaft Position (CMP) Sensor - Exhaust Bank 1 Signal
36 0.5 YE 5276 Camshaft Position (CMP) Sensor - Intake Bank 2 Signal
37 0.5 L-BU 5302 5-Volt 1 Reference
38 0.5 PU 5274 Camshaft Position (CMP) Sensor - Exhaust Bank 2 Signal
39 0.5 PU 5284 Cam Phaser Control Intake Bank 1
40 0.5 L-GN 5282 Cam Phaser Control Exhaust Bank 1
41 0.5 OG/BK 5272 Cam Phaser Control Intake Bank 2
42 0.5 WH/BK 5283 Cam Phaser Control Exhaust Bank 2
43-45 - - Not Available
46 0.8 L-BU 4804 Fuel Injector 4 Control
47 0.8 LN-GN 4805 Fuel Injector 5 Control
48 0.8 D-BU 4802 Fuel Injector 2 Control
49 - - Not Available
50 0.8 D-GN 4803 Fuel Injector 3 Control
51 0.8 PU 4806 Fuel Injector 6 Control
52 0.8 BN 4801 Fuel Injector 1 Control
53 0.5 TN 5301 Low Reference
54 0.5 YE/BK 5297 5-Volt 1 Reference
55 0.5 GY 5296 Low Reference
56 0.5 BN/WH 5303 Low Reference
57 0.5 L-GN 5298 5-Volt 1 Reference
58 0.5 BN 5299 Low Reference
59 0.5 BN 6753 Low Reference
60 0.5 BN/WH 6754 Low Reference
61 0.5 D-BU 6755 Low Reference
62 0.5 D-BU/WH 6756 Low Reference
63-65 - - Not Available
66 0.75 L-BU/WH 4904 Fuel Injector 4 Control
67 0.75 L-GN/WH 4905 Fuel Injector 5 Control
68 0.75 D-BU/WH 4902 Fuel Injector 2 Control
69 - - Not Available
70 0.75 D-GN/WH 4903 Fuel Injector 3 Control
71 0.75 PU/WH 4906 Fuel Injector 6 Control
72 0.75 BN/WH 4901 Fuel Injector 1 Control
73 2 BK/WH 451 Ground
scientia non olet · About LEMON Manuals