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
Data Battery Voltage
- The scan tool displays the battery voltage of the vehicle.
ID Information
VIN Number
- The scan tool displays the vehicle identification number.
Ignition Data
Accessory
- The scan tool displays On when the accessory relay is active.
Battery 1
- The scan tool displays the value of the vehicle battery voltage.
Ignition Accessory
- The scan tool displays Active when the ignition switch is in the Accessory or Run position.
Ignition Mode Switch
- The scan tool displays the value of the Passlock data voltage, which is the signal at the Off/Run/Crank circuit of the Ignition switch output and the BCM input.
Ignition Run/Crank
- The scan tool displays High when the vehicle ignition switch is in the Run or Crank position.
Key in Ignition
- The scan tool displays Yes when the key is in the ignition.
Power Mode
- The scan tool displays Run when the ignition switch is in the Run position. Accy will be displayed in the Accessory position. Accy will also be displayed when the vehicle is in the RAP power mode. Off will be displayed when the ignition switch is in the Off position after the RAP function has timed out or has been overridden by a door switch.
Run/Crank Relay Command
- The scan tool displays On when the Run/Crank relay is active.
Input
Driver Door Switch
- The scan tool displays the state of the drivers door.
Pass Door Switches
- The scan tool displays the state of any of the passengers doors.
Module Information
Last 4 Digits of Part No.
- The scan tool displays the last four digits of the BCM part number.
Last 4 Digits of SDM Part No.
- The scan tool displays the last four digits of the SDM part number.
Factory Service Tools
Use the Manual With the Right Hardware
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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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