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
- Accy. Indicator Command
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The scan tool displays the status of the accessory indicator.
- Accy. Relay Command
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The scan tool displays the status of the accessory output.
- Auxiliary Power
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The scan tool displays the status of the auxiliary power relay.
- 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.
- Brake Apply Sensor Reference Signal
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The scan tool displays the voltage read by the brake apply sensor.
- Current Power Mode
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The scan tool displays the current power mode.
- Idle Boost Level
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The scan tool displays the level of the idle boost.
- Ignition Cycle Counter
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The scan tool displays the ignition cycle counter.
- Ignition Mode Switch
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The scan tool displays the voltage and the state read by the module from the ignition mode switch.
- Ign. Mode Sw. Dimming Command
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The scan tool displays the status of the ignition mode switch dimming.
- Inadvertent Power Cmd.
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The scan tool indicates the status of the inadvertent power command.
- Inadvertent Power Signal
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The scan tool displays the status of the inadvertent power signal.
- Key in Cylinder Switch
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The scan tool displays if the key is in the trunk cylinder switch.
- Off Indicator Command
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The scan tool displays the status of the off indicator.
- Run/Crank Relay Command
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The scan tool displays if the run/crank relay is controlled or not by the module.
- Start Indicator Command
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The scan tool displays the status of the start indicator.
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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.