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Engine Control Module (ECM) X2 (L96)

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GM1590596Courtesy of GENERAL MOTORS COMPANY
Connector Part Information
  • Harness: Engine
  • OEM: 15499466
  • Service: 88988931
  • Description: 73-Way F MX123 Series, Sealed (BK)
Terminal Part Information
  • Pins: 11, 24, 29, 40, 43-44, 60, 63, 65
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 3-5, 11, 18-20, 25, 27, 29, 31, 33, 39, 43, 45, 47, 53, 56
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: Pins: 1-9, 15-20, 25, 28, 33-36, 41, 47-50, 52-56, 61, 67-70, 72 - J/J
  • Core/Insulation Crimp: Pins: 49-50, 69-70 - K/K
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 73
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: A/5
  • Release Tool/Test Probe: J-38125-11A/J-35616-35 (VT)
Engine Control Module (ECM) X2 (L96)

Pin Wire Circuit Function
1 0.5 PU 2121 IC 1 Control
2 0.5 TN 1744 Fuel Injector 1 Control
3 0.5 D-BU/WH 878 Fuel Injector 8 Control
4 0.5 OG/BK 877 Fuel Injector 7 Control
5 0.5 L-GN/BK 1745 Fuel Injector 2 Control
6 0.5 YE/BK 846 Fuel Injector 6 Control
7 0.5 TN/WH 845 Fuel Injector 5 Control
8 0.5 L-BU/BK 844 Fuel Injector 4 Control
9 0.5 PK/BK 1746 Fuel Injector 3 Control
10 - - Not Available
11 0.35 PU 5284 Camshaft Actuator Solenoid Control
12-14 - - Not Available
15 0.5 YE 581 TAC Motor Control - 1
16 0.5 BN 582 TAC Motor Control - 2
17 0.5 PU/WH 2128 IC 8 Control
18 0.5 D-GN/WH 2124 IC 4 Control
19 0.5 BN/WH 2130 Low Reference
20 0.5 GY 6272 Low Reference
21-23 - - Not Available
24 0.35 BN 6266 Low Reference
25 0.5 BK 2755 Low Reference
26-27 - - Not Available
28 0.5 PK/BK 1339 Ignition 1 Voltage
29 0.35 TN 2199 Low Reference
30-32 - - Not Available
33 0.5 OG 2127 IC 7 Control
34 0.5 D-GN 2125 IC 5 Control
35 0.5 BN 2129 Low Reference
36 0.5 PU 6270 5-Volt Reference 2
37-39 - - Not Available
40 0.35 D-BU 6259 5-Volt Reference 1
41 0.5 GY 2705 5-Volt Reference 1
42 - - Not Available
43 0.35 GY 2701 5-Volt Reference 4
44 0.35 TN 2752 Low Reference
45-46 - - Not Available
47 0.5 TN 1664 HO2S Low Signal - Bank 1 Sensor 1
48 0.5 TN 1667 HO2S Low Signal - Bank 2 Sensor 1
49 0.8 GY 1716 KS 1 Signal
50 0.8 GY 2303 KS 2 Signal
51 - - Not Available
52 0.5 L-GN 3212 HO2S Heater Low Control - Bank 2 Sensor 1
53 0.5 OG/WH 2122 IC 2 Control
54 0.5 L-BU/WH 2126 IC 6 Control
55 0.5 L-BU 2123 IC 3 Control
56 0.5 L-GN 6271 CKP Sensor Signal
57-59 - - Not Available
60 0.35 D-BU/WH 6265 CMP Sensor Signal
61 0.5 TN/WH 331 Oil Pressure Sensor Signal
62 - - Not Available
63 0.35 D-GN 485 TP Sensor 1 Signal
64 - - Not Available
65 0.35 PU 486 TP Sensor 2 Signal
66 - - Not Available
67 0.5 PU/WH 1665 HO2S High Signal - Bank 1 Sensor 1
68 0.5 PU 1666 HO2S High Signal - Bank 2 Sensor 1
69 0.8 D-BU 496 KS 1 Signal
70 0.8 L-BU 1876 KS 2 Signal
71 - - Not Available
72 0.5 GY/WH 3113 HO2S Heater Low Control - Bank 1 Sensor 1
73 3 BK/WH 451 Ground
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