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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis (Single Page) >> Electrical >> Component Locations >> Wiring Systems And Power Management - Electrical Center, Ground & Component Connector End Views >> Component Connector End Views >> Engine Control Module (ECM) (L76) X2
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Engine Control Module (ECM) (L76) X2

Fig 1: Engine Control Module (ECM) (L76) X2 Connector End View
GM1989647Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) (L76) X2

Pin Wire Color Circuit No. Function
1 - - Not Used
2 0.5 L-GN 1867 5-Volt Reference
3 0.5 GY 2701 5-Volt Reference
4 - - Not Used
5 0.75 BN 582 TAC Motor Control - 2
6 0.75 YE 581 TAC Motor Control - 1
7 - - Not Used
8 0.75 D-GN/WH 428 EVAP Canister Purge Solenoid Control
9 0.75 GY 5493 Cylinder Shut Off Solenoid 3
10 0.75 D-BU 5491 Cylinder Shut Off Solenoid 1
11 0.75 OG 5494 Cylinder Shut Off Solenoid 4
12 0.5 GY/WH 3113 HO2S Heater Low Control (Bank 1 Sensor 1)
13 0.5 L-GN 3212 HO2S Heater Low Control (Bank 2 Sensor 1)
14 0.75 D-GN/BK 5492 Cylinder Shut Off Solenoid 2
15-16 - - Not Used
17 0.75 D-BU/WH 878 Fuel Injector 8 Control
18 0.75 BN/WH 845 Fuel Injector 5 Control
19 0.75 YE/BK 846 Fuel Injector 6 Control
20 0.75 BN/BK 1744 Fuel Injector 1 Control
21 0.5 YE/GN 410 ECT Sensor Signal
22 0.5 BN/WH 2761 Low Reference
23 0.5 D-GN/YE 357 Oil Temperature Sensor Signal
24 0.5 BN/RD 470 Low Reference
25 - - Not Used
26 0.5 D-BU 496 Knock Sensor 1 Signal
27 0.5 GY 1716 Low Reference Knock Sensor Signal Return
28 - - Not Used
29 0.5 L-BU 1876 Knock Sensor 2 Signal
30 0.5 BN 407 Low Reference
31 - - Not Used
32 0.5 PU/WH 23 Generator Field Duty Cycle Signal
33 0.5 BN 1174 Oil Level Switch Signal
34 0.5 BK 2755 Low Reference
35 0.5 BN/BK 2752 Low Reference
36 - - Not Used
37 0.75 L-GN/BK 1745 Fuel Injector 2 Control
38 0.75 PK/BK 1746 Fuel Injector 3 Control
39 0.75 L-BU/BK 844 Fuel Injector 4 Control
40 0.75 OG/BK 877 Fuel Injector 7 Control
41 0.5 GY 2705 5-Volt Reference
42 - - Not Used
43 0.5 GY 2704 5-Volt Reference
44 0.5 OG 631 5-Volt Reference
45-49 - - Not Used
50 0.5 BN/WH 331 Oil Pressure Sensor Signal
51-52 - - Not Used
53 0.5 OG/BK 469 Low Reference
54-55 - - Not Used
56 0.5 BN/YE 1664 HO2S Low Signal (Bank 1 Sensor 1)
57 P0.5 U/WH 1665 HO2S High Signal (Bank 1 Sensor 1)
58 0.5 L-GN 432 MAP Sensor Signal
59 0.5 PU 1666 HO2S High Signal (Bank 2 Sensor 1)
60 0.5 BN/RD 1667 HO2S Low Signal (Bank 2 Sensor 1)
61 0.5 OG/WH 225 Generator Turn On Signal
62 - - Not Used
63 0.5 PU 486 TP Sensor 2 Signal
64 0.5 BN/WH 633 CMP Sensor Signal
65 0.5 D-GN 485 TP Sensor 1 Signal
66 0.5 PK/BK 632 Low Reference
67 - - Not Used
68 0.5 D-BU/WH 1869 CKP Sensor Signal
69 0.5 YE/BK 1868 Low Reference
70 0.5 PU 2121 IC 1 Control
71 0.5 PU/WH 2128 IC 8 Control
72 0.5 OG 2127 IC 7 Control
73 0.5 OG/WH 2122 IC 2 Control
74 0.5 L-BU/WH 2126 IC 6 Control
75 0.5 D-GN/RD 2125 IC 5 Control
76 0.5 D-GN/WH 2124 IC 4 Control
77 0.5 L-BU 2123 IC 3 Control
78 0.5 BN 2129 Low Reference
79 0.5 BN/WH 2130 Low Reference
80 - - Not Used
Connector Part Information 
  • OEM: 7283-9623-40
  • Service: See Catalog
  • Description: 80-Way F
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
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