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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1116 (ENGINE CONTROLS - 3.6L (LY7) (INTRODUCTION))COMPONENT LOCATORENGINE CONTROL MODULE (ECM) CONNECTOR END VIEWS
2004 Oldsmobile Bravada AWD

Engine Control Module (ECM) Connector End Views

2004 Oldsmobile Bravada AWDSECTION Engine Control Module (ECM) Connector End Views
WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module Connector End View (ECM) C1

GM816165Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 1928403379
  • 64-Way F (BLK)
Pin Wire Color Circuit No. Function
1 TAN 407 Knock Sensor Low Reference Bank 2
2 - - Not Used
3 LT GRN 5278 HO2S Input Pump Current Bank 1 Sensor 1
4 ORN 5275 Camshaft Position (CMP) Sensor Signal - Intake Bank 1
5 GRY 605 5-Volt Reference
6 - - Not Used
7 TAN 470 Low Reference
8 PPL 486 TP Sensor 2 Signal
9 DK GRN/WHT 2124 Ignition Control 4
10 WHT/BLK 5039 Crankshaft Position (CKP) Sensor Signal
11 - - Not Used
12 ORN/BLK 5272 Camshaft Actuator Solenoid Control - Intake Bank 2
13 LT GRN 5282 Camshaft Actuator Solenoid Control - Exhaust Bank 1
14 - - Not Used
15 BRN 582 TAC Motor Control - 2
16 GRY/WHT 3113 HO2S Heater Control Bank 1 Sensor 1
17 GRY 1716 Knock Sensor Low Reference Bank 1
18 - - Not Used
19 PPL/WHT 1665 HO2S Reference Voltage Bank 1 Sensor 1
20 DK GRN 5273 Camshaft Position (CMP) Sensor Signal - Exhaust Bank 1
21 GRY 23 Generator Field Duty Cycle Signal
22 - - Not Used
23 YEL 410 ECT Sensor Signal
24 - - Not Used
25 LT BLU/WHT 2126 Ignition Control 6
26 ORN/WHT 2122 Ignition Control 2
27-28 - - Not Used
29 PPL 5284 Camshaft Actuator Solenoid Control - Intake Bank 1
30 WHT/BLK 5283 Camshaft Actuator Solenoid Control - Exhaust Bank 2
31 YEL 581 TAC Motor Control - 1
32 - - Not Used
33 DK BLU 496 Knock Sensor Signal Bank 1
34 - - Not Used
35 WHT 5279 HO2S Pump Current Bank 1 Sensor 1
36 PPL 5274 Camshaft Position (CMP) Sensor Signal - Exhaust Bank 2
37 BRN 1174 Engine Oil Level Sensor Signal
38 DK GRN/WHT 357 Engine Oil Temperature Sensor Signal
39 TAN 2752 Low Reference
40 TAN/BLK 231 Engine Oil Pressure Sensor Signal
41 DK GRN 2125 Ignition Control 5
42 PPL 2121 Ignition Control 1
43 ORN 225 Generator Turn On Signal
44 DK BLU/BLK 5041 Intake Manifold Runner Control (IMRC) Solenoid Control
45 DK BLU/BLK 844 Fuel Injector 4 Control
46 PNK/BLK 1746 Fuel Injector 3 Control
47 TAN/WHT 845 Fuel Injector 5 Control
48 LT GRN/WHT 428 EVAP Canister Purge Valve Control
49 GRY/BLK 1798 Engine Ground - Shield
50 LT BLU 1876 Knock Sensor Signal Bank 2
51 - -1 Not Used
52 TAN 1664 HO2S Low Reference Bank 1 Sensor 1
53 YEL 5276 Camshaft Position (CMP) Sensor Signal - Intake Bank 2
54 GRY 2701 5-Volt Reference
55 DK GRN 485 TP Sensor 1 Signal
56 ORN/BLK 5266 BARO Sensor Signal
57 GRY 705 5-Volt Reference
58 LT BLU 2123 Ignition Control 3
59 PPL/WHT 5024 CKP Low Reference
60-61 - - Not Used
62 LT GRN/BLK 1745 Fuel Injector 2 Control
63 TAN 1744 Fuel Injector 1 Control
64 YEL/BLK 846 Fuel Injector 6 Control
Engine Control Module Connector End View (ECM) C2

GM1331455Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 1928403386
  • 64-Way F (BLK)
Pin Wire Color Circuit No. Function
1 PNK 5290 Ignition 1 Voltage
2 - 3122 Not Used
3 PNK 239 Ignition 1 Voltage
4 DK BLU 473 High Speed Cooling Fan Relay Control
5 WHT 121 Engine Speed Signal
6 - - Not Used
7 WHT/BLK 1164 5-Volt Reference
8 PPL 1272 Low Reference
9 RED/BLK 380 A/C Refrigerant Pressure Sensor Signal
10 WHT 5371 Stop Lamp Switch Signal
11 TAN 472 IAT Sensor Signal
12 DK GRN 890 Fuel Tank Pressure Sensor Signal
13 - - Not Used
14 GRY/BLK 87 Cruise Control Resume/Accel Switch Signal
15 ORN/BLK 463 Requested Torque Signal
16 - - Not Used
17 PNK 5290 Ignition 1 Voltage
18 - - Not Used
19 DK GRN/WHT 465 Fuel Pump Relay Control
20 DK GRN 335 Low Speed Cooling Fan Relay Control
21 - - Not Used
22 DK GRN 389 Vehicle Speed Signal Output
23 TAN/WHT 2500 CAN Serial Data High
24 BRN 5069 Engine Controls Main Relay Control
25 BLK 2759 Low Reference
26 BLK 2760 MAF Sensor Low Reference
27 - - Not Used
28 - - Not Used
29 PPL/WHT 1668 HO2S Signal Bank 1 Sensor 2
30 DK BLU 84 Cruise Control Set/Coast Switch
31 YEL 5 Crank Voltage
32 ORN/BLK 1786 PNP Signal
33 WHT 1310 EVAP Canister Vent Solenoid Control
34 - - Not Used
35 YEL/BLK 625 Starter Relay Control
36 ORN 540 Battery Positive Voltage
37 TAN/BLK 464 Delivered Torque Signal
38 - - Not Used
39 GRY 596 5-Volt Reference
40 BRN 1271 Low Reference
41 - - Not Used
42 PPL 1589 Fuel Level Sensor Signal - Primary
43 YEL 492 MAF Sensor Signal
44 LT BLU 1162 APP Sensor 2 Signal
45 GRY 397 Cruise Control On Switch Signal
46 PPL 420 Cruise Control Release Signal
47 - - Not Used
48 DK GRN 1049 Class 2 Serial Data
49 DK GRN/WHT 459 A/C Clutch Relay Control
50 BRN/WHT 419 MIL Control
51-54 - - Not Used
55 TAN 2501 CAN Serial Data Low
56 TAN 1274 5-Volt Reference
57 TAN/WHT 1669 HO2S Low Reference Sensor 1
58 DK GRN 500 Accessory Voltage
59 - - Not Used
60 DK BLU 1161 APP Sensor Signal 1
61-64 - - Not Used
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • 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.
  • • You are not confident in the next step or safety outcome.