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Input Devices: Notes

NOTE: Components are grouped into 2 categories. The first category, INPUT DEVICES  , includes components that control or produce voltage signals monitored by PCM. The second category, OUTPUT SIGNALS  , includes components controlled by PCM (this is accomplished by PCM grounding individual component circuits).

To determine component location and input usage on a specific model, see WIRING DIAGRAMS  . Vehicles are equipped with different combinations of input devices. Not all devices are used on all models. Available input signals include:

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