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Engine Control Module (ECM) X1

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

Pin Wire Circuit Function
1 0.5 L-GN 5282 Camshaft Phaser Exhaust Solenoid (1)
2 0.5 PU 5284 Camshaft Phaser Intake Solenoid (1)
3 1 PU/WH 4906 Direct Fuel Injector (DFI) High Voltage Cylinder 6
4 1 PU 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 - - Not Used
9 0.5 PU 5274 Camshaft Position Exhaust Sensor (2)
10 0.5 OG 225 Generator Turn On Signal
11-12 - - Not Used
13 0.5 BN/WH 2130 Ignition Control Low Reference Bank 2
14 - - Not Used
15 0.5 GY 705 5-Volt Reference 2
16 - - Not Used
17 0.5 TN/BK 231 Oil Pressure Switch Signal
18 0.35 TN 7448 Vacuum Assist Pump Relay Coil Control
19-23 - - Not Used
24 0.75 YE 581 TAC Motor Control - 1
25 0.5 WH/BK 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 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 Cylinder 5
30 0.5 GY 23 Generator Field Duty Cycle Signal
31-32 - - Not Used
33 0.5 YE 5276 Camshaft Position Intake Sensor (2)
34 0.5 D-GN 5273 Camshaft Position Exhaust Sensor (1)
35 0.5 YE 573 CKP Sensor Signal
36 0.5 YE 2918 FRP Sensor Signal
37 - - Not Used
38 0.5 GY 598 5-Volt Reference 1
39 0.5 GY 2701 5-Volt Reference 3
40 - - Not Used
41 0.5 TN 552 Low Reference
42 0.5 TN 808 Low Reference
43 - - Not Used
44 0.5 TN 476 Low Reference
45 0.5 GY 605 5-Volt Reference 3
46 0.5 TN 452 Low Reference
47 - - Not Used
48 0.75 TN 582 TAC Motor Control - 2
49 0.5 OG/BK 5272 Camshaft Phaser Intake Solenoid (2)
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 Cylinder 2
54 0.5 BN/WH 419 MIL Control
55 0.5 PU 2121 IC 1 Control
56 0.5 L-BU 2123 IC 3 Control
57 0.5 D-GN 2125 IC 5 Control
58 - - Not Used
59 0.5 D-BU 496 Knock Sensor 1 Signal
60 0.5 GY 2303 Knock Sensor 2 Signal
61-63 - - Not Used
64 0.5 TN 407 Low Reference
65-66 - - Not Used
67 0.5 TN/WH 3111 HO2S Low Signal (Bank 1 Sensor 1)
68-69 - - Not Used
70 0.5 PU/WH 3210 HO2S High Signal (Bank 2 Sensor 1)
71 - - Not Used
72 0.5 L-GN 3212 HO2S 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 Cylinder 4
75 1 BN/WH 4901 Direct Fuel Injector (DFI) High Voltage Cylinder 1
76 0.5 PK/BK 5291 Ignition Voltage
77 0.5 PK/BK 5292 Ignition Voltage
78 0.5 BN 2129 Ignition Control Low Reference Bank 1
79 0.5 OG/WH 2122 IC 2 Control
80 0.5 D-GN/WH 2124 IC 4 Control
81 0.5 L-BU/WH 2126 IC 6 Control
82 0.5 YE 410 ECT Sensor Signal
83 0.5 GY 1716 Knock Sensor 1 Signal
84 0.5 L-BU 1876 Knock Sensor 2 Signal
85-87 - - Not Used
88 0.5 TN 2752 Low Reference
89 0.5 PU 486 TP Sensor 2 Signal
90 0.5 D-GN 485 TP Sensor 1 Signal
91 - - Not Used
92 0.5 PU/WH 3110 HO2S High Signal (Bank 1 Sensor 1)
93 0.5 TN/WH 3211 HO2S Low Signal (Bank 2 Sensor 1)
94-95 - - Not Used
96 0.5 GY/WH 3113 HO2S Heater Low Control Bank 1 Sensor 1
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 1928404927
  • Service Connector: 19153157
  • Description: 96-Way F 120 Series, Sealed (BK)
Terminal Part Information
  • Terminated Lead: Pins 3-5, 24, 26-29, 48, 50-53, 74, 75 - 13575545
  • Terminated Lead: Pins 1, 2, 6, 7, 9, 10, 13-15, 18, 25, 30, 33-36, 38-46, 49, 55-57, 59-61, 67, 70, 72, 73, 76, 77-84, 88-90, 92, 93, 96 - 13578935
  • Release Tool: J-38125-213
  • Diagnostic Test Probe: J-35616-16 (L-GN)
  • Terminal/Tray: 1928498135/19
  • Core/Insulation Crimp: Pins 3-5, 26-29, 50-53, 74, 75 - K/K
  • Core/Insulation Crimp: Pins 1, 2, 6, 7, 9, 10, 13-15, 18, 24, 25, 30, 33-36, 38-46, 48, 49, 55-57, 59-61, 67, 70, 72, 73, 76, 77-84, 88-90, 92, 93, 96 - J/J
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