Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1655 (HVAC SYSTEMS - AUTOMATIC)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2004 Oldsmobile Bravada RWD
Scan Tool Data List
2004 Oldsmobile Bravada RWDSECTION Scan Tool Data List
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HVAC Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Ignition: ON, Engine: OFF | |||
| Outside Air Temp. | Primary ECC Data | Degrees | 23°C (74°F) |
| Inside Air Temperature | Primary ECC Data | Degrees | 23°C (74°F) |
| Upper Outlet Temperature | Primary ECC Data | Degrees | Varies |
| Lower Outlet Temperature | Primary ECC Data | Degrees | Varies |
| Solar Sensor | Primary ECC Data | Counts | Varies |
| Blower Motor PWM Speed | Primary ECC Data | Percent | 50% |
| A/C Request | Primary ECC Data | NO/YES | NO |
| A/C LED On | Primary ECC Data | ON/OFF | ON |
| Recirc. LED | Primary ECC Data | ON/OFF | ON |
| Outside Air LED | Primary ECC Data | ON/OFF | ON |
| Rear Defog | Primary ECC Data | ON/OFF | ON |
| Mode Selection Position | Primary ECC Data | Bi-Level, Upper Outlets, Auto, Floor, Defog, Defrost | Floor |
| Mode Door Commanded | Primary ECC Data | Counts | Varies |
| Mode Door Actual | Primary ECC Data | Counts | Varies |
| Mode Door Max. Position | Primary ECC Data | Counts | Varies |
| Mode Door Min. Position | Primary ECC Data | Counts | Varies |
| Air Inlet Door Commanded | Primary ECC Data | Counts | Varies |
| Air Inlet Door Actual | Primary ECC Data | Counts | Varies |
| Air Inlet Door Max | Primary ECC Data | Counts | Varies |
| Air Inlet Door Min | Primary ECC Data | Counts | Varies |
| Air Mix Door Commanded | Primary ECC Data | Counts | Varies |
| Air Mix Door Actual | Primary ECC Data | Counts | Varies |
| Mix Door Max Position | Primary ECC Data | Counts | Varies |
| Mix Door Min Position | Primary ECC Data | Counts | Varies |
| Aux. Inside Air Temp. | Auxiliary ECC Data | Degrees | 23°C (74°F) |
| Aux. Upper Outlet Temp. | Auxiliary ECC Data | Degrees | Varies |
| Aux. Lower Outlet Temp. | Auxiliary ECC Data | Degrees | Varies |
| Aux. Blower Motor PWM | Auxiliary ECC Data | Percent | 50% |
| Aux. Mix Door Commanded | Auxiliary ECC Data | Counts | Varies |
| Aux. Mix Door Actual | Auxiliary ECC Data | Counts | Varies |
| Aux. Mix Door Max. Position | Auxiliary ECC Data | Counts | Varies |
| Aux. Mix Door Min. Position | Auxiliary ECC Data | Counts | Varies |
| Aux. Mode Door Commanded | Auxiliary ECC Data | Counts | Varies |
| Aux. Mode Door Actual | Auxiliary ECC Data | Counts | Varies |
| Aux. Mode Door Max. Position | Auxiliary ECC Data | Counts | Varies |
| Aux. Mode Door Min. Position | Auxiliary ECC Data | Counts | Varies |
PCM Scan Tool Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Engine Idling/Engine at Operating Temperature/Closed Throttle/Park or Neutral/Closed Loop/Accessories Off | |||
| A/C Clutch Feedback Signal | Engine Data 2 | ON/OFF | OFF |
| A/C Relay Command | Engine Data 2 | ON/OFF | Off |
| A/C Compressor Cycling Switch | Engine Data 2 | Normal/Low Press | Normal |
| A/C Request Signal | Engine Data 2 | NO/YES | No |
| A/C High Pressure Recirc | Engine Data 2 | Open/Closed | Open |
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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.