Scan Tool Data Definitions
WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
- Battery 1
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The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the battery positive voltage circuit of the body control module (BCM).
- Generator L-Terminal
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The scan tool displays High/Low. The scan tool displays High any time the key is in the ON position.
- Ignition 1 Signal
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The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the ignition 1 circuit to the engine control module (ECM).