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.
2007 Cadillac XLR BaseFACTORY OEM SERVICE PROCEDURE
Scan Tool Data List
Engine Control Module (ECM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Ignition 1 Signal | ECM | Volts | Varies |
| EC Ignition Relay Command | ECM | On/Off | On |
| EC Ignition Relay Feedback | ECM | Volts | Varies |
| Crank Request Signal | ECM | Yes/No | No |
| Starter Relay Circuit S | ECM | OK/Fault | OK |
| Starter Relay Command | ECM | On/Off | Off |
| PNP Switch | ECM | Park/Neutral/In Gear | Park/Neutral |
| GEN L-Terminal Signal Circuit | ECM | On/Off | Off |
| GEN F-Terminal Signal | ECM | Percent | Varies |
| Engine Speed | ECM | RPM | Varies |
| VTD Password Learn Enable | ECM | Yes/No | No |
| Vehicle Security Status | ECM | Fuel Continue/Fuel Lockout/Fuel Disabled/Learn Timer Active/Fail Enable/Learn Enable | Varies |
| VTD Fuel Disable | ECM | Active/Inactive | Inactive |
| VTD Auto Learn Timer | ECM | Active/Inactive | Inactive |
| VTD Fuel Disable Until Ignition Off | ECM | Yes/No | No |
Instrument Panel Cluster (IPC)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Security Indicator Comm | IPC | On/Off | Off |
Factory Service Tools
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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.
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