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 MANUALSPONTIAC2005SUNFIRE L4-2.2L VIN FREPAIR AND DIAGNOSISSTARTING AND CHARGINGTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL DATA DEFINITIONS
2005 Pontiac Sunfire L4-2.2L VIN F
Scan Tool Data Definitions
2005 Pontiac Sunfire L4-2.2L VIN FSECTION Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
Battery Voltage: The scan tool displays 0-17.5 volts. The scan tool displays the voltage as received by the BCM.
GEN F-Terminal Signal: The scan tool displays 0-100%. The scan tool displays a steady percentage value until the engine is running, then the percentage value varies depending on electrical loads
GEN L-Terminal Signal Command: The scan tool displays On/Off. The scan tool displays Off until the engine is running, then the PCM supplies about 5 volts to the L - Terminal of the generator and the scan tool displays On.
Ignition 1 Signal: The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the Ignition 1 circuit to the PCM.
TR Sw.: The scan tool displays Park/Reverse/Neutral/Drive4/Drive3/Drive2/Drive1. The scan tool displays the current physical gear of the Trans Range switch.
Volt Lamp: The scan tool displays On/Off. The scan tool displays On when the IPC has been commanded by another module to command the Volt Lamp On.
RENDER: 1.0x
NO RELATED
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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.