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Home >> Ford >> 2023 >> Escape ST-Line Select >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Steering Column Switches >> Steering Wheel And Column Electrical Components >> Description And Operation >> Steering Wheel and Column Electrical Components - System Operation and Component Description >> Ignition Switch System >> Off

Ignition Switch System: Off

When the ignition switch is in the OFF position, the switch is open, preventing any voltage signals from reaching the BCM. When the BCM does not detect voltage from any of the ignition mode-designated circuits, the BCM interprets this as the ignition off mode.

The BCM communicates the ignition mode to the other modules by sending an ignition status message over the CAN and does not energize any relays to prevent voltage from being distributed to the various electrical systems.

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