Scan Tool Data Definitions
WARNING: This page is about a different car, the 2006 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
- Battery Voltage Signal
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The scan tool displays 0.0-16 volts. The battery voltage input represents the system voltage measured at the module ignition feed input.
- Headlamp Washer Relay Status.
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The scan tool displays On/Off. When the instrument panel module (IPM) receives a wash input, it will activate the low side drive output that controls the headlamp washer relay and the scan tool will display the status of the relay as On.
- Headlamp Washer Switch
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The scan tool displays On/Off. When the windshield wiper wash switch is pressed, the scan tool will display the switch input to the IPM as On.