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.
Scan Tool Data Definitions: Inputs
Accessory Switch:Β The scan tool display if the ignition switch is in the accessory state or not.
Cargo Door Ajar Switch:Β Passenger van only. The scan tool displays the position of the cargo door. The scan tool displays On when the door is open.
Driver Door Ajar Sw.:Β The scan tool displays the position of the driver's door. The scan tool displays On when the door is open.
Passenger Door Ajar Sw.:Β Passenger van only. The scan tool displays the position of the passenger or the rear door. The scan tool displays On when either door is open.
Run/Crank:Β The scan tool displays the position of the ignition switch. The scan tool displays On when the ignition switch is in the RUN or CRANK position.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.