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Home >> Pontiac >> 2007 >> Solstice Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Wiring Systems And Power Management - Component Connector End Views - E Through H) >> Component Connector End Views - E Through H >> Engine Control Module (ECM) X2 (LAP)

Engine Control Module (ECM) X2 (LAP)

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X2 (LAP)
GM1590596Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2 (LAP)

Pin Wire Circuit Function
1 - - Not Used
2 0.35 BN/WH 6331 AIR Solenoid Signal (NU6)
3 0.35 PU 421 AIR Solenoid Relay Control (NU6)
4 0.5 TN 2761 Low Reference
5 0.5 PU 574 Low Reference
6 0.5 TN 1744 Fuel Injector 1 Control
7 0.5 PK/BK 1746 Fuel Injector 3 Control
8 0.5 L-BU/BK 844 Fuel Injector 4 Control
9 0.35 BN 2129 Low Reference
10 0.5 L-GN/BK 1745 Fuel Injector 2 Control
11-12 - - Not Used
13 0.35 GY/BK 2704 5-Volt Reference 1
14 0.5 L-GN 5282 Camshaft Phaser Exhaust Solenoid Control
15 0.5 PU 5284 Camshaft Phaser Intake Solenoid Control
16 0.5 YE 581 TAC Motor Control 1
17-19 - - Not Used
20 0.5 TN 5301 Low Reference
21 0.5 GY 5296 Low Reference
22 0.35 PU 2121 Ignition Control 1
23 0.35 L-BU 2123 Ignition Control 3
24 0.35 D-GN/WH 2124 Ignition Control 4
25 - - Not Used
26 0.35 OG/WH 2122 Ignition Control 2
27-29 - - Not Used
30 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
31 0.35 OG 225 Generator Turn-On Signal
32 0.5 BN 582 TAC Motor Control 2
33 0.5 D-BU 5300 5-Volt Reference 1
34 0.5 YE/BK 5297 5-Volt Reference 1
35 0.5 GY 6255 5-Volt Reference 1 (C67)
36 - - Not Used
37 0.5 PU/WH 3110 HO2S High Signal Sensor 1
38 0.5 PU 3120 HO2S High Signal Sensor 2
39 0.35 L-GN 432 MAP Sensor Signal
40 0.35 TN 2752 Low Reference
41 0.5 PU/WH 6256 Low Reference (C67)
42 0.35 TN 2760 Low Reference
43 0.35 GY/WH 23 Generator Field Duty Cycle Signal
44 - - Not Used
45 0.5 YE 573 CKP Sensor Signal
46 0.5 OG 5275 CMP Sensor Signal
47 0.5 D-GN 5273 CMP Sensor Signal
48 0.5 TN/WH 3111 HO2S Low Signal Sensor 1
49 0.35 OG/BK 469 Low Reference
50 0.5 GY 1716 KS Signal
51 0.5 D-BU 496 KS Signal
52 - - Not Used
53 0.5 GY 2701 5-Volt Reference 2
54 0.5 L-GN 2867 5-Volt Reference 2
55 0.35 WH 6452 5-Volt Reference 1 (NU6)
56 - - Not Used
57 0.35 D-GN 485 TP Sensor 1 Signal
58 0.5 YE 410 ECT Sensor Signal
59 0.35 PU 486 TP Sensor 2 Signal
60 0.5 BN 6753 CMP Actuator Solenoid Control
61 0.5 BN/WH 6754 CMP Actuator Solenoid Control
63 - - Not Used
64 0.35 TN 407 Low Reference (NU6)
65 0.5 GY/WH 3113 HO2S Heater Low Control Sensor 1
66 0.5 GY/WH 3122 HO2S Heater Low Control Sensor 2
67 0.5 TN/BK 231 Oil Pressure Switch Signal
68 0.5 TN/WH 3121 HO2S Low Signal Sensor 2
69-72 - - Not Used
73 2 BK/WH 451 Signal Ground
Connector Part Information 
  • Harness: Engine
  • OEM: 15497996
  • Service: 88988372
  • Description: 73-Way F 64/2.8 Series, Sealed (GY)
Terminal Part Information 
  • Pin: 73
  • Terminal/Tray: 7116-4152-02/9
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-35 (VT)
  • Pins: 4-8, 10, 14-21, 30, 32-38, 41, 45-48, 50-51, 54, 58, 60-61, 65-68
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 2-3, 9, 13, 22-26, 31, 39-40, 42-43, 49, 53, 55-57, 59, 64
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
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