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.
- Rear Defog Relay Cmd.
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The scan tool displays On/Off. The body control module (BCM) will indicate if it is commanding the rear defog relay On or Off.
- Rear Defog Relay Fdbk.
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The scan tool displays High/Low. This input to the BCM displays the state of the rear defog relay feedback circuit. Low is displayed when the BCM is providing a ground to the rear defog relay control circuit.
- Rear Defog Switch
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The scan tool displays On/Off. The BCM receives an input from the HVAC control head indicating On when the rear defog system is turned On.