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Scan Tool Data Definitions



Scan Tool Data Definitions
Rear Defog Relay Cmd.
- The scan tool displays On/Off. The body control module will indicate if it is commanding the rear defog relay On or Off.

Rear Defog Relay Fdbk.
- 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
- 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.
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