Accord L4-2.2L SOHC VTEC (1994)
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Heater Control Panel: Description and Operation
Mode Selection
Mode selection is controlled by the mode switches in the heater control panel and the mode control motor. When you select a specific mode, voltage is
applied through the dimming circuit to the LED, which comes ON, indicating the mode selected. Ground is provided to the mode control motor through
that mode switch. The motor then runs until the air control door reaches the proper position.
Fresh/Recirculation Selection
When you press the fresh/recirculation button, a ground signal is sent from the heater control panel to the recirculation control motor. The motor then
runs until the recirculation door reaches the proper position. Battery voltage is also applied through the dimming circuit to the corresponding LED, and
the LED comes ON.