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 Saturn ION L4-2.0L SCFACTORY OEM SERVICE PROCEDURE
Scan Tool Data Definitions
Scan Tool Data Definitions
Battery 1
- The scan tool displays volts. The state of the battery voltage supplied to the body control module.
Washer Switch
- The scan tool displays On/Off. The scan tool displays ON when the windshield washers are requested.
Wiper Ground
- The scan tool displays On/Off. The BCM Displays whether the ground circuit for the windshield wipers are requested.
Wiper Park Switch
- The scan tool displays On/Off. This output displays On when the wipers are in park position and Off when the wipers are not in the park position.
Wiper Relay Cmd
- The scan tool displays On/Off. This output displays the state of the wiper relay. ON is displayed when the body control module is providing battery voltage for the wiper relay.
Wiper Switch
- The scan tool displays volts. This output displays the voltage supplied to the wiper switch.
Wiper Switch State
- The scan tool displays Undefined, Off, delay 1, delay 2, delay 3, Mist/High/Low. This output displays the state of the wiper switch.
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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