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Home >> Saturn >> 2008 >> Aura Green Line >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views (2 Of 4) >> Engine Control Module (ECM) X2 (LE5)
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Engine Control Module (ECM) X2 (LE5)

Fig 1: Engine Control Module (ECM) X2 (LE5) Connector End View
GM1650395Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2 (LE5)

Pin Wire Circuit Function
1-3 - - Not Used
4 0.35 TN 2761 Low Reference
5 0.35 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 0.5 BN 2129 Low Reference
10 0.5 1745 1745 Fuel Injector 2 Control
11-12 - - Not Used
13 0.35 GY 2704 5-Volt Reference
14 0.35 L-GN 5282 Camshaft Phaser Exhaust Solenoid - 1
15 0.35 PU 5284 Camshaft Phaser Intake Solenoid - 1
16 0.8 YE 581 TAC Motor Control - 1
17-19 - - Not Used
20 0.35 TN 5301 Camshaft Position Intake Sensor Low Reference - 1
21 0.35 GY 5296 Camshaft Position Exhaust Sensor Low Reference - 1
22 0.35 PU 2121 IC 1 Control
23 0.35 L-BU 2123 IC 3 Control
24 0.35 D-GN/WH 2124 IC 4 Control
25 - - Not Used
26 0.35 OG/WH 2122 IC 2 Control
27-29 - - Not Used
30 0.35 D-GN/WH 428 EVAP Canister Purge Solenoid Control
31 0.35 OG 225 Generator Turn on Signal
32 0.8 BN 582 TAC Motor Control - 2
33 0.35 D-BU 5300 Camshaft Position Intake Sensor Supply Voltage - 1
34 0.35 YE/BK 5297 Camshaft Position Exhaust Sensor Supply Voltage - 1
35-36 - - Not Used
37 0.5 PU/WH 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor 1
38 0.5 PU 3120 Heated Oxygen Sensor High Signal Bank 1 Sensor 2
39 0.35 L-GN 432 MAP Sensor Signal
40 0.35 TN 2752 Throttle Position Sensor Low Reference
41 - - Not Used
42 0.35 TN 2760 Low Reference
43 0.35 GY 23 Generator Field Duty Cycle Signal
44 - - Not Used
45 0.35 YE 573 Crankshaft Position Sensor Signal 1
46 0.35 OG 5275 Camshaft Position Intake Sensor 1
47 0.35 D-GN 5273 Camshaft Position Exhaust Sensor 1
48 0.5 TN/WH 3111 Heated Oxygen Sensor Low signal Bank 1 Sensor 1
49 0.35 OG/BK 469 Low Reference
50 0.5 GY 1716 Knock Sensor Signal
51 0.5 D-BU 496 Knock Sensor Signal - 1
52 - - Not Used
53 0.35 GY 2701 5-Volt Reference
54 0.35 L-GN 2867 12-Volt Reference
55-56 - - Not Used
57 0.35 D-GN 485 TP Sensor 1 Signal
58 0.35 YE 410 ECT Sensor Signal
59 0.35 PU 486 TP Sensor 2 Signal
60 0.35 BN 6753 Low Reference
61 0.35 BN/WH 6754 Low Reference
62-64 - - Not Used
65 0.5 BK/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1
66 0.5 BK/WH 3122 HO2S Heater Low Control Bank 2 Sensor 1
67 0.35 TN/BK 231 Oil Pressure Switch Signal
68 0.5 TN/WH 3121 HO2S Heater Low Control Bank 1 Sensor 2
69-72 - - Not Used
73 2 BK/WH 451 Signal Ground
Connector Part Information 
  • OEM: 15497996
  • Service: 88988372
  • Description: 73-Way F Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Tray
  • Core/Insulation Crimp: See Terminal Tray
  • Release Tool/Test Probe: See Terminal Tray
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