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Home >> Pontiac >> 2009 >> G3 Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 176 (Wiring Systems And Power Management - Component Connector End Views - DLC Through Fuel Injector) >> Component Connector End Views >> Engine Control Module (ECM) X1 (LXV) Connector End View

Engine Control Module (ECM) X1 (LXV) Connector End View

WARNING: This page is about a different car, the 2011 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X1 (LXV) Connector End View
GM1228485Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X1 (LXV)

Pin Wire Circuit Function
1 BN 419 Malfunction Indicator Lamp Control
2 L-GN 497 Fuel Pump Relay Control
3 OG 1733 Ignition 1 Voltage
4 PU/WH 67 A/C Compressor Clutch Coil Supply Voltage (C60/C68)
5 GY 474 Low Reference 4
6 YE 1578 EVAP Canister Vent Solenoid Control
7 L-GN/BK 822 Low Reference (MLM)
8-9 - - Not Used
10 PU 1807 High Speed GMLAN Serial Data
11 YE 710 Low Speed GMLAN Serial Data
12 RD/WH 440 Battery Positive Voltage
13 - - Not Used
14 PK 539 Ignition 1 Voltage
15 D-BU 473 FAN HI Relay Control
16 BN 441 MAIN Relay Control
17-18 - - Not Used
19 GY 596 5-Volt Reference 3
20 YE 645 Low Reference
21 D-GN/WH 718 Low Reference
22 - - Not Used
23 OG 7360 Low Reference (MLM)
24 BN 456 Low Reference
25 BN 20 Brake Switch Signal
26 BN 323 Neutral Start Signal
27 L-BU 817 Vehicle Speed Sensor (VSS) Signal (MLM)
28 L-BU 24 Backup Lamp Supply Voltage (MLM)
29 L-GN 323 Starter Relay Control
30-31 - - Not Used
32 BN 7361 5-Volt Reference 2 (MLM)
33 L-BU 1031 5-Volt Reference 1
34 L-BU 1031 5-Volt Reference 1
35 - - Not Used
36 BN 7007 Vehicle Wake Up Signal
37 - - Not Used
38 BN 1973 Low Reference
39 - - Not Used
40 WH 1162 APP Sensor 1 Signal
41 PU 203 A/C Request Signal (C60/C68)
42 D-BU 1161 APP Sensor 2 Signal
43 BN 465 Engine Coolant Thermostat Control
44 D-GN 355 FAN LOW Relay Control
45 BN 1937 Low Reference
46 WH 1977 Low Reference
47 D-GN 605 5-Volt Reference 1 (MLM)
48-50 - - Not Used
51 L-BU 469 Mass Air Flow (MAF) Sensor Signal
52 GY 1936 Fuel Level Sensor Signal
53 BN 415 Engine Coolant Temperature (ECT) Sensor 2 Signal
54 WH 455 Intake Air Temperature (IAT) Sensor Signal
55 L-BU 1030 Fuel Tank Pressure (FTP) Sensor Signal
56 D-BU 6338 Clutch Pedal Position (CPP) Sensor Signal (MLM)
Connector Part Information 
  • OEM: 54395602
  • Service: 88988373
  • Description: 56-Way F Sealed, (BK)
Terminal Part Information 
  • Wire Size: 0.35
  • Terminated Lead: Service by Connector Assembly - 88988373
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Wire Size: 0.5-0.8
  • Terminated Lead: Service by Connector Assembly - 88988373
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: (0.5 Wire) - J/J
  • Core/Insulation Crimp: (0.8 Wire) - K/K