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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 611 (Auxiliary Brake System) >> Description And Operation >> Auxiliary Brake System - System Operation and Component Description >> System Operation >> TBM Wake Up

TBM Wake Up

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NOTE: These conditions require that a trailer not be connected to the trailer tow connector.

When the manual lever is set all the way to the left, the message center should display TRAILER DISCONNECTED. At the same time, with the vehicle stationary, battery voltage should be present at pin 3 of trailer tow connector C4099.

When not braking the TBM sends a voltage pulse to pin 3 of the trailer tow connector to determine if a trailer is connected to the trailer tow connector.