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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 886 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - E THROUGH H)COMPONENT CONNECTOR END VIEWS - E THROUGH HENGINE CONTROL MODULE (ECM) X2 (LAP)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Engine Control Module (ECM) X2 (LAP)

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION 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)
RENDER: 1.0x

NO RELATED

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  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.