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Home >> Cadillac >> 2007 >> SRX 4.6 A, AWD >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views - Automatic Transmission, Horn, Remote Function, Sunroof, Engine Control Module, Engine Controls, HVAC, >> Engine Control Module Connector End Views >> Engine Control Module (ECM) Connector End View C1
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Engine Control Module (ECM) Connector End View C1

Fig 1: Engine Control Module C1 Connector End Views
GM1826274Courtesy of GENERAL MOTORS CORP.
Engine Control Module C1 Connector Parts Information

Connector Part Information 
  • OEM: 1928404781
  • Service: 19149311
  • Description: 96-Way F CONN 1.2 Sealed (BK)
Terminal Part Information 
  • Pins: 1-2, 4-5, 7, 9-10, 12-13, 15, 24-26, 28, 30, 33-35, 39-41, 43-46, 48-52, 55-57, 59-61, 67, 70, 72, 78-84, 88-90, 92-93, 96
  • Terminal/Tray: 1928498135/19
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 7, 9, 12-13, 18, 26, 33-37, 40, 44-45, 47-49, 53-54
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 19-20, 55
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Engine Control Module C1 Connector End View

Pin Wire Color Circuit No. Function
1 L-GN 5282 CMP Actuator Solenoid Control - Exhaust Bank 1
2 PU 5284 CMP Actuator Solenoid Control - Intake Bank 1
3 - - Not Used
4 YE/BK 846 Fuel Injector 6 Control
5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
6 - - Not Used
7 OG 5275 Cmp Sensor Signal - Intake Bank 1
8 - - Not Used
9 PU 5274 Cmp Sensor Signal - Exhaust Bank 2
10 OG 225 Generator Turn On Signal
11 - - Not Used
12 L-BU 7302 Intake Manifold Tuning Valve (IMTV) Control Signal
13 BN/WH 2130 Low Reference
14 - - Not Used
15 GY 705 5-Volt Reference
16-23 - - Not Used
24 YE 581 TAC Motor Control - 1
25 WH/BK 5283 CMP Actuator Solenoid Control - Exhaust Bank 2
26 PK/BK 1746 Fuel Injector 3 Control
27 - - Not Used
28 TN/WH 845 Fuel Injector 5 Control
29 - - Not Used
30 GY 23 Generator Field Duty Cycle Signal
31-32 - - Not Used
33 YE 5276 Cmp Sensor Signal - Intake Bank 2
34 D-GN 5273 Cmp Sensor Signal - Exhaust Bank 1
35 YE 573 CKP Sensor [1] Signal
36-38 - - Not Used
39 GY 2701 5-Volt Reference
40 GY 596 5-Volt Reference
41 TN 552 Low Reference
42 - - Not Used
43 TN 470 Low Reference
44 TN 2761 Low Reference
45 GY 605 5-Volt Reference
46 TN 452 Low Reference
47 - - Not Used
48 BN 582 TAC Motor Control - 2
49 OG/BK 5272 CMP Actuator Solenoid Control - Intake Bank 2
50 L-BU/BK 844 Fuel Injector 4 Control
51 TN 1744 Fuel Injector 1 Control
52 L-GN/BK 1745 Fuel Injector 2 Control
53-54 - - Not Used
55 PU 2121 IC 1 Control
56 L-BU 2123 IC 3 Control
57 D-GN 2125 IC 5 Control
58 - - Not Used
59 D-BU 496 Knock Sensor [1] Signal
60 GY 2303 Knock Sensor [2] Signal
61 TN/WH 331 Oil Pressure Sensor Signal
62-66 - - Not Used
67 TN/WH 3111 Low Reference (Bank 1 Sensor 1)
68-69 - - Not Used
70 PU/WH 3210 HO2S Reference Voltage (Bank 2 Sensor 1)
71 - - Not Used
72 GN 3212 HO2S Heater Low Control [- Bank 2 Sensor 1]
73-77 - - Not Used
78 BN 2129 Low Reference
79 OG/WH 2122 IC 2 Control
80 D-GN/WH 2124 IC 4 Control
81 L-BU/WH 2126 IC 6 Control
82 YE 410 ECT Sensor Signal
83 GY 1716 Knock Sensor [1] Signal
84 L-BU 1876 Knock Sensor 2 Signal
85-87 - - Not Used
88 TN 2752 Low Reference
89 PU 486 TP Sensor 2 Signal
90 D-GN 485 TP Sensor 1 Signal
91 - - Not Used
92 PU/WH 3110 Reference Voltage (Bank 1 Sensor 1)
93 TN/WH 3211 HO2S Low Reference (Bank 2 Sensor 1)
94-95 - - Not Used
96 GY/WH 3113 HO2S Heater Low Control [- Bank 1 Sensor 1]


Fig 1: Engine Control Module (ECM) C1 Connector End View
GM784851Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) C1Connector Parts Information

Connector Part Information 
  • OEM: 34576-0703
  • Service: 88988373
  • Description: 56-Way F (BU)
Terminal Part Information 
  • Pins: 7, 9, 12-13, 18, 26, 33-37, 40, 44-45, 47-49, 53-54
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: H/H
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 19-20, 55
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: 1-2, 4-5, 7, 9, 10, 12-13, 15, 24-26, 28, 30, 33-35, 39-41, 43-46, 48-52, 55-56
  • Terminal/Tray: 1928498135/19
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
Engine Control Module (ECM) C1 Connector End View

Pin Wire Color Circuit No. Function
1-6 - - Not Used
7 WH 17 Stop Lamp Switch Signal
8 - - Not Used
9 TN 2759 Low Reference
10-11 - - Not Used
12 BN/WH 419 MIL Control
13 D-GN/WH 465 Fuel Pump Relay Control [- Primary]
14-17 - - Not Used
18 D-BU 5985 Accessory Wakeup Serial Data
19 PK 239 Ignition 1 Voltage
20 RD/WH 340 Battery Positive Voltage
21-25 - - Not Used
26 YE 447 Starter Relay Coil Control
27-32 - - Not Used
33 WH/BK 1164 5-Volt Reference
34 GY 2709 5-Volt Reference
35 TN 1274 5-Volt Reference
36 BN 1271 Low Reference
37 PU 1272 Low Reference
38-39 - - Not Used
40 BN 5069 Main Relay Control
41-43 - - Not Used
44 D-BU 1936 Fuel Level Sensor Signal [- Primary]
45 L-BU 1937 Fuel Level Sensor Signal [- Secondary]
46 - - Not Used
47 D-BU 1161 APP Sensor 1 Signal
48 D-GN 890 Fuel Tank Pressure Sensor Signal
49 L-BU 1162 APP Sensor 2 Signal
50-52 - - Not Used
53 D-GN/WH 459 A/C Compressor Clutch Relay Control
54 D-BU 473 High Speed Cooling Fan Relay Control
55 WH 1310 EVAP Canister Vent Solenoid Control
56 - - Not Used
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