LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2013 >> Sonic RS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 414 (Wiring Systems And Power Management - Component Connector End Views - K20 ECM X2 (1.8L) Through X85) >> Component Connector End Views >> K20 Engine Control Module X1 (LUJ)

K20 Engine Control Module X1 (LUJ)

WARNING: This page is about a different car, the 2012 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.
GM1590948Courtesy of
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12582680
  • Service Connector: 88988373
  • Description: 56-Way F MX123 34576 Series, Sealed (BU)
Terminal Part Information
  • Pins: 2, 3, 9-13, 16, 18, 23-30, 32-34, 37-41, 43, 45-47, 52, 54, 56
  • Terminated Lead: 13575812
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Pins: 19, 20, 31
  • Terminated Lead: 13575812
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: K/K
K20 Engine Control Module X1 (LUJ)

Pin Wire Circuit Function
1 - - Not Used
2 0.5 L-GN/WH 1162 Accelerator Pedal Position Signal (2)
3 0.5 GN/WH 492 Mass Air Flow Sensor Signal
4-7 - - Not Used
8 0.5 BN/GY 4008 Humidity Sensor Signal
9 0.5 YE/WH 3200 Throttle Inlet Absolute Pressure Sensor Signal
10 0.5 YE/WH 1161 Accelerator Pedal Position Signal (1)
11 0.5 L-GN 7330 Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal
12 0.5 L-GN 380 A/C Refrigerant Pressure Sensor Signal
13 0.5 BK/BN 5514 Low Reference
14-15 - - Not Used
16 0.5 BN/RD 1274 5 Volt Reference
17 - - Not Used
18 0.5 BU 5985 Accessory Wakeup Serial Data
19 0.75 VT/D-BU 139 Run/Crank Ignition 1 Voltage
20 0.75 RD/WH 140 Battery Positive Voltage
21-22 - - Not Used
23 0.5 WH/RD 3201 5 Volt Reference
24 0.5 BN/RD 1164 5 Volt Reference
25 0.5 BN/RD 7331 5 Volt Reference
26 0.5 BN/RD 2700 5 Volt Reference
27 0.5 YE/BK 625 Starter Enable Relay Control
28 0.5 L-GN/GY 465 Fuel Pump Primary Relay Control
29 0.5 L-BU 2500 High Speed GMLAN Serial Data (+) (1)
30 0.5 BN/VT 1272 Low Reference
31 0.5 BK/VT 2760 Low Reference
32 BK/L-BU 6813 Low Reference
33 0.5 WH/D-BU 6311 Cruise/ETC/TCC Brake Signal
34 0.5 L-GN 275 Park Neutral Position Switch Park Signal (MH8)
35-36 - - Not Used
37 0.5 BK/YE 6014 Low Reference
38 0.5 BK/VT 1271 Low Reference
39 0.5 BK/L-GN 7332 Low Reference
40 0.5 YE 5991 Powertrain Relay Coil Control
41 0.5 L-GN/VT 335 Low Speed Cooling Fan Relay Control
42 - - Not Used
43 0.5 WH 2501 High Speed GMLAN Serial Data (-) (1)
44 - - Not Used
45 0.5 BN/VT 472 Intake Air Temperature Sensor Signal
46 0.5 YE/BK 3000 Coolant Temperature Sensor #2 Signal
47 0.5 L-BU/WH 25 Charge Indicator Control
48-51 - - Not Used
52 0.5 BN/WH 419 Check Engine Indicator Control
53 - - Not Used
54 0.5 BN/YE 473 High Speed Cooling Fan Relay Control
55 - - Not Used
56 0.5 WH 1310 EVAP Canister Vent Solenoid Control
scientia non olet · About LEMON Manuals