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
- Battery Voltage Signal
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The scan tool displays 0.0-16.0 volts. The battery voltage input represents the system voltage measured at the module ignition feed input.
- Windshield Wiper Switch
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The scan tool displays the set position of the Windshield Wiper Switch.
- Wiper Park Switch
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The scan tool displays if wipers are in the park position or not. If the scan tool displays Off the wipers are in the parked position.
- Windshield Washer Switch
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The scan tool displays the position of the wash switch.
- Wiper Motor Delay Time
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The scan tool displays the Intermittent delay time in seconds. Time periods are between 0-25 seconds.
- Wiper Motor Relay Command
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The scan tool displays if the BCM is commanding the wiper 1 relay On or Off.
- Wiper Motor Relay Status
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The scan tool displays the status of the wiper 1 relay.
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.