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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) X2 (LV8) Connector End View

Engine Control Module (ECM) X2 (LV8) 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) X2 (LV8) Connector End View
GM1468388Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2 (LV8)

Pin Wire Circuit Function
1 L-BU 1937 Low Reference
2 RD/WH 440 Battery Positive Voltage
3 PK 539 Ignition 1 Voltage
4-6 - - Not Used
7 L-BU 203 A/C Request Signal (C60/C68)
8 D-GN 892 Octane Selection Signal 2
9 WH 121 Engine Speed Signal
10 D-GN/WH 762 A/C Request Signal (C60/C68)
11 - - Not Used
12 D-BU 473 High Speed Cooling Fan Control
13 - - Not Used
14 PU 1807 High Speed GMLAN Serial Data
15 BK/WH 2051 Serial Data Signal
16 - - Not Used
17 OG/BK 1031 5-Volt Reference
18 RD/WH 440 Battery Positive Voltage
19 D-BU 1936 Fuel Level Sensor Signal
20-21 - - Not Used
22 D-GN 890 Octane Selection Signal 1
23 D-GN/WH 817 Vehicle Speed Sensor (VSS) Signal (Manual Transmission)
24 D-GN 135 Engine Coolant Temperature (ECT) Gauge Control
25 - - Not Used
26 L-GN 497 Fuel Pump Relay Control
27 D-GN 355 Low Speed Cooling Fan Relay Control
28 PU/WH 67 A/C Compressor Clutch Coil Supply Voltage (C60/C68)
29 - - Not Used
30 YE 710 Low Speed GMLAN Serial Data
31 PU 30 Fuel Gauge Control
32 BN/WH 419 MIL Control
Connector Part Information 
  • OEM: 12129232
  • Service: N/A
  • Description: 32-Way Retainer Lock Sealed, (NA)
Terminal Part Information 
  • Terminated Lead: Service by Harness - See Part Catalog
  • Release Tool: Not Available
  • Diagnostic Test Probe: Not Available
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available