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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 (LDT) Connector End View

Engine Control Module (ECM) X2 (LDT) 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 (LDT) Connector End View
GM1671569Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2 (LDT)

Pin Wire Circuit Function
1 RD 423 Ignition Coil A Control
2 WH 428 Low Reference
3 PU 427 Low Reference
4 L-BU 426 5-Volt Reference 1
5 PU 1868 5-Volt Reference 1
6 WH 433 5-Volt Reference 2
7 PU 1666 5-Volt Reference 2
8 - - Not Used
9 WH 6118 Intake Air Temperature (IAT) Sensor Signal
10 BN 1665 Heated Oxygen Sensor (HO2S) 1 Hi Signal
11 - - Not Used
12 OG 496 Knock Sensor Signal
13 - - Not Used
14 GY 53 Oxygen Sensor 1 Heater Low Control
15-16 - - Not Used
17 BK 405 Ignition Coil B Control
18 BK 5276 Low Reference
19-20 - - Not Used
21 YE 1867 Crankshaft Position (CKP) Sensor Signal
22 - - Not Used
23 PU 1667 5-Volt Reference 2
24 BN 808 Low Reference
25 - - Not Used
26 WH 425 Throttle Position Sensor 2 Signal
27 L-BU 469 Manifold Absolute Pressure (MAP) Sensor Signal
28 WH 1876 Knock Sensor Signal
29 BN 410 ETC Sensor Signal
30-32 - - Not Used
33 D-BU 424 Ignition Coil C Control
34 BK 5276 Low Reference
35 BK 1869 Low Reference
36-38 - - Not Used
39 BN/BK 486 Throttle Position Sensor 1 Signal
40-44 - - Not Used
45 BN 892 Octane Selector Switch Signal
46 D-GN 890 Octane Selector Switch Signal
47-52 - - Not Used
53 PU 406 Ignition Coil D Control
54 BN 5272 Camshaft Position (CMP) Actuator Solenoid Valve - Intake Control Signal
55 YE 630 Camshaft Position (CMP) Sensor - Exhaust Signal
56 YE 633 Camshaft Position (CMP) Sensor - Intake Signal
57 WH 452 EVAP Canister Purge Solenoid Control
58 BN 465 Engine Coolant Thermostat Control
59 BN 5282 Camshaft Position (CMP) Actuator Solenoid Valve - Exhaust Control Signal
60 - - Not Used
61 YE 581 Throttle Body Motor Control - 1
62 - - Not Used
63 WH 1746 Fuel Injector 2 Control
64 L-GN/BK 1745 Fuel Injector 3 Control
65 L-BU/WH 1747 Fuel Injector 1 Control
66 BN 1744 Fuel Injector 4 Control
67 D-BU 528 Throttle Body Motor Control - 2
68-73 - - Not Used
Connector Part Information 
  • OEM: PE155848
  • Service: 88988372
  • Description: 73-Way F Sealed, (GY)
Terminal Part Information 
  • Pin: 73
  • Terminated Lead: Not Available
  • Release Tool: 12094430
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 7116-4151-02/9
  • Core/Insulation Crimp: C/1
  • Wire Size: 0.35
  • Terminated Lead: 13575810
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Wire Size: 0.5
  • Terminated Lead: Not Available
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: (0.5 Wire) - J/J
  • Core/Insulation Crimp: (0.8 Wire) - K/K
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