Scan Tool Data Definitions
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition 0
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The scan tool displays the current state of the battery in volts.
- Horn Relay
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The scan tool displays the commanded state of the horn relay. The scan tool displays on when the BCM allows the horn relay to go to ground to activate the horn. The BCM will command this state when the PANIC button on the keyless entry transmitter is activated or when there is an unauthorized entry into the vehicle.