2009 Saturn Vue XR, 3.6 7, AWDFACTORY OEM SERVICE PROCEDURE

Engine Control Module (ECM) X1 (LCS)

Fig 1: Engine Control Module (ECM) X1 (LCS) Connector End View
GM1826274Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X1 (LCS)

Pin Wire Circuit Function
1 0.8 L-GN 5282 Camshaft Phaser Exhaust Solenoid (1)
2 0.8 PU 5284 Camshaft Phaser Intake Solenoid (1)
3 1 PU/WH 4906 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 6
4 1 BN 4806 Direct Fuel Injector (DFI) High Voltage Control Cylinder 6
5 1 YE 7301 High Pressure Fuel Pump Actuator High Control
6 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
7 0.5 OG 5275 Camshaft Position Intake Sensor (1)
8 0.5 PU 5531 Hood Closed Switch Signal
9 0.5 PU 5274 Camshaft Position Exhaust Sensor (2)
10-14 - - Not Used
15 0.5 GY 705 5-Volt Reference
16-17 - - Not Used
18 0.5 TN 2022 Coolant Pump Control
19 0.5 YE 5530 Hood Open Switch Signal
20 - - Not Used
21 0.5 YE 954 5 Volt Reference
22 - - Not Used
23 0.5 YE 955 Low Reference
24 0.5 YE 581 TAC Motor Control - 1
25 0.8 WH 5283 Camshaft Phaser Exhaust Solenoid (2)
26 1 D-GN 4803 Direct Fuel Injector (DFI) High Voltage Control Cylinder 3
27 1 D-GN/WH 4903 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 3
28 1 L-GN 4805 Direct Fuel Injector (DFI) High Voltage Control Cylinder 5
29 1 L-GN/WH 4905 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 5
30-32 - - Not Used
33 0.5 YE 5276 Camshaft Position (CMP) Sensor Signal - Bank 2 Intake
34 0.5 D-GN 5273 Camshaft Position Exhaust Sensor (1)
35 0.5 YE 573 Crankshaft Position Sensor Signal (1)
36 0.5 YE 2918 Fuel Rail Pressure Sensor Signal
37 - - Not Used
38 0.5 GY 598 5 Volt Reference 1
39 0.5 GY 2701 5 Volt Reference 3
40 0.5 GY 596 5 Volt Reference 1
41 0.5 TN 552 Low Reference
42 0.5 TN 808 Low Reference
43 0.5 TN 470 Low Reference
44 0.5 TN 476 Low Reference
45 0.5 GY 605 5 Volt Reference
46 0.5 TN 452 Low Reference
47 - - Not Used
48 0.5 BN 582 TAC Motor Control - 2
49 0.8 OG 5272 Camshaft Position (CMP) Actuator Solenoid Control - Bank 2 Intake
50 1 L-BU 4804 Direct Fuel Injector (DFI) High Voltage Control Cylinder 4
51 1 BN 4801 Direct Fuel Injector (DFI) High Voltage Control Cylinder 1
52 1 D-BU 4802 Direct Fuel Injector (DFI) High Voltage Control Cylinder 2
53 1 D-BU/WH 4902 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 2
54 - - Not Used
55 0.5PU 2121 Ignition Control (1)
56 0.5 L-BU 2123 Ignition Control (3)
57 0.5 D-GN 2125 Ignition Control (5)
58 - - Not Used
59 0.5 D-BU 496 Knock Sensor Signal (1)
60 0.5 GY 2303 Knock Sensor Low Reference (2)
61 0.5 TN/WH 331 Oil Pressure Sensor Signal
62-66 - - Not Used
67 0.5 TN/WH 3111 Heated Oxygen Sensor Low Signal Bank 1 Sensor (1)
68 0.5 WH 5279 Heated Oxygen Sensor Pump Current Bank 1 Sensor (1)
69 0.5 OG 5280 Heated Oxygen Sensor Input Pump Current Bank 2 Sensor (1)
70 0.5 PU/WH 3210 Heated Oxygen Sensor High Signal Bank 2 Sensor (1)
71 - - Not Used
72 0.8 L-GN 3212 Heated Oxygen Sensor Heater Low Control Bank 2 Sensor (1)
73 1 PU 7300 High Pressure Fuel Pump Actuator Low Control
74 1 L-BU/WH 4904 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 4
75 1 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Supply Cylinder 1
76 0.5 PK/BK 5291 Powertrain Main Relay Fused Supply (2)
77 0.5 PK/BK 5292 Powertrain Main Relay Fused Supply (3)
78 - - Not Used
79 0.5 OG/WH 2122 Ignition Control (2)
80 0.5 D-GN/WH 2124 Ignition Control (4)
81 0.5 L-BU/WH 2126 Ignition Control (6)
82 0.5 YE 410 Engine Coolant Temperature Sensor Signal
83 0.5 GY 1716 Knock Sensor Low Reference (1)
84 0.5 L-BU 1876 Knock Sensor Signal (2)
85-87 - - Not Used
88 0.5 TN 2752 Low Reference
89 0.5 PU 486 Throttle Position Sensor Signal (2)
90 0.5 D-GN 485 Throttle Position Sensor Signal (1)
91 0.5 L-GN 5278 Heated Oxygen Sensor Input Pump Current Bank 1 Sensor (1)
92 0.5 PU/WH 3110 Heated Oxygen Sensor High Signal Bank 1 Sensor (1)
93 0.5 TN/WH 3211 Heated Oxygen Sensor Low Signal Bank 2 Sensor (1)
94 0.5PU/WH 5281 Heated Oxygen Sensor Pump Current Bank 2 Sensor (1)
95 - - Not Used
96 0.8 GY 3113 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (1)
Connector Part Information 
  • OEM: 1928404927
  • Service: See Catalog
  • Description: 96-Way F 120 Series, Sealed (BK)
Terminal Part Information 
  • Pins: 7, 9, 12-13, 18-20, 26, 31-37, 40, 44, 46-49, 53-96
  • 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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  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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