The tailgate is unlocked if the button is pressed for more than 1 second. Also, once the tailgate is opened and then closed, the tailgate will be locked automatically.
Repair procedures
Fuel Pressure Test (Low pressure system)
1.
Release the residual pressure in fuel line.
(Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line").
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Smart Tailgate Unit Schematic Diagrams
Circuit Diagram
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