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 MANUALSCHEVROLET2005CAVALIER L4-2.2L VIN FREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESSCAN TOOL TESTING & PROCEDURES - ANTITHEFT SYSTEMSSCAN TOOL DATA DEFINITIONS
2005 Chevrolet Cavalier L4-2.2L VIN F
Scan Tool Data Definitions
2005 Chevrolet Cavalier L4-2.2L VIN FSECTION Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONS
Auto Learn Timer Status: The scan tool displays the time in seconds used by the BCM to learn valid code from the Passlock(TM) sensor using the techline terminal reprogramming procedure.
Lockout Timer Status: The scan tool displays the time remaining when in tamper mode. The timer starts when the ignition switch is turned to the ON position and the BCM receives a Passlock(TM) data voltage different from the last learned voltage. The timer has a delay of 10 minutes and will stay active even if the ignition switch is cycled from the ON to the OFF position.
Passlock Data Voltage: The scan tool displays the voltage code from the Passlock(TM) sensor to the BCM. The BCM determines if the voltage received is a valid or invalid code voltage.
Passlock Power Feedback: The scan tool displays the state of the Passlock(TM) system power feedback.
Passlock Power Output: The scan tool displays the state of the Passlock(TM) system power.
Security Lamp Status: The scan tool displays the state of the SECURITY lamp. The scan tool displays ON, OFF or FLASHING.
Security LED: The scan tool dispays the state of the body control module (BCM) commanding the SECURITY lamp. The scan tool displays ON, OFF or FLASHING, as commanded by the BCM.
Seed and Key Timer Status: The scan tool displays the time in seconds used by the BCM to learn a valid code from the Passlock(TM) sensor. The learn procedure consists of 3 consecutive periods.
VTD Fuel Disable: The scan tool displays the state of which the fuel delivery system is in.
VTD Auto Learn Timer: The scan tool displays which state the learn timer for the VTD is currently in.
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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.