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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2051 (COMPONENT CONNECTOR END VIEWS - (2 OF 5))ENGINE CONTROL MODULE (ECM) X2 (LZ4)
2004 Oldsmobile Bravada AWD

Engine Control Module (ECM) X2 (LZ4)

2004 Oldsmobile Bravada AWDSECTION Engine Control Module (ECM) X2 (LZ4)
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control Module (ECM) X2 (LZ4) Connector End View
GM1830236Courtesy of GENERAL MOTORS CORP.
Engine Control Module (ECM) X2 (LZ4)

Pin Wire Circuit Function
1 - - Not Used
2 0.5 PU/WH 6270 5-Volt Reference 2
3 0.5 GY 2701 5-Volt Reference 2
4 - - Not Used
5 0.5 BN 582 Throttle Actuator Control (TAC) Motor Control - 2
6 0.5 YE 581 Throttle Actuator Control (TAC) Motor Control - 1
7 - - Not Used
8 0.5 D-GN/WH 428 EVAP Canister Purge Solenoid Control
9-11 - - Not Used
12 0.5 GY/WH 3113 HO2S Heater Low Control - Bank 1 Sensor 1
13 0.5 L-GN 3212 HO2S Heater Low Control - Bank 2 Sensor 1
14-15 - - Not Used
16 0.5 PK/BK 6395 Camshaft Position (CMP) Actuator Solenoid Control - Intake
17 0.5 L-GN/BK 1745 Fuel Injector 2 Control
18 0.5 YE/BK 846 Fuel Injector 6 Control
19 0.5 TN/WH 845 Fuel Injector 5 Control
20 0.5 TN 1744 Fuel Injector 1 Control
21 0.5 YE 410 Engine Coolant Temperature (ECT) Sensor Signal
22 0.5 TN 2761 Low Reference
23-25 - - Not Used
26 0.5 D-BU 496 Knock Sensor 1 Signal
27 0.5 GY 1716 Knock Sensor 1 Signal
28 - - Not Used
29 0.5 L-BU 1876 Knock Sensor 2 Signal
30 0.5 GY 2303 Knock Sensor 2 Signal
31 - - Not Used
32 0.5 GY 23 Generator Field Duty Cycle Signal
33 - - Not Used
34 0.5 BK 2755 Low Reference
35 0.5 TN 2752 Low Reference
36 - - Not Used
37 0.5 L-BU/BK 844 Fuel Injector 4 Control
38-39 - - Not Used
40 0.5 PK/BK 1746 Fuel Injector 3 Control
41 0.5 GY 2705 5-Volt Reference 1
42 - - Not Used
43 0.5 GY 2704 5-Volt Reference 1
44 0.5 D-BU 6259 5-Volt Reference 1
45-49 - - Not Used
50 0.5 TN/WH 331 Engine Oil Pressure (EOP) Sensor Signal
51 - - Not Used
52 0.5 BN 6753 Low Reference
53 0.5 OG/BK 469 Low Reference
54-55 - - Not Used
56 0.5 TN/WH 3111 HO2S Low Reference Bank 1 Sensor 1
57 0.5 PU/WH 3110 HO2S Reference Voltage Bank 1 Sensor 1
58 0.5 L-GN 432 Manifold Absolute Pressure (MAP) Sensor Signal
59 0.5 PU/WH 3210 HO2S Reference Voltage Bank 2 Sensor 1
60 0.5 TN/WH 3211 HO2S Low Reference Bank 2 Sensor 1
61 0.5 OG 225 Generator Turn On Signal
62 - - Not Used
63 0.5 PU 486 Throttle Position (TP) Sensor 2 Signal
64 0.5 D-BU/WH 6265 Camshaft Position (CMP) Sensor Signal - Bank 1 Intake
65 0.5 D-GN 485 Throttle Position (TP) Sensor 1 Signal
66 0.5 BN 6266 Camshaft Position (CMP) Sensor Low Reference - Intake
67 - - Not Used
68 0.5 WH/BK 6271 Crankshaft Position Sensor Signal
69 0.5 GY/BK 6272 Low Reference
70 0.5 PU 2121 Ignition Coil 1 Control
71 0.5 OG/WH 2122 Ignition Coil 2 Control
72 0.5 L-BU 2123 Ignition Coil 3 Control
73-77 - - Not Used
78 0.5 BN 2129 Low Reference
79-80 - - Not Used
Connector Part Information 
  • OEM: 13511426
  • Service: 19115670
  • Description: 80-Way F MX123 Series Sealed (GY)
Terminal Part Information 
  • Pins: 2- 3, 5- 6, 8, 12-13, 16-22, 26-27, 29-30, 32, 34-35, 37, 40-41, 43-44, 50, 52-53, 56-61, 63-66, 68-72, 78
  • Terminal/Tray: 33467-0005/23
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
RENDER: 1.0x

NO RELATED

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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.