Toyota
Dodge Durango
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Vehicle Theft/Security Systems » Description and operation
Liftgate lock cylinder switch

DESCRIPTION

The liftgate lock cylinder switch is mounted to the back of the liftgate key lock cylinder inside the liftgate.

It is a resistor multiplexed momentary switch that is hard wired between a body ground and the Central Timer Module (CTM) through the liftgate wire harness. This switch is driven by the key lock cylinder and contains three internal resistors. One resistor is used for the neutral switch position, one for the lock position and one for the unlock position.

The liftgate lock cylinder switch cannot be adjusted or repaired and, if faulty or damaged, it must be replaced. For complete circuit diagrams, refer to Vehicle Theft Security System in the Contents of Group 8W - Wiring Diagrams.

OPERATION

The liftgate lock cylinder switch is actuated by the key lock cylinder when the key is inserted in the lock cylinder and turned to the lock or unlock positions.

The liftgate lock cylinder switch closes a path to ground through one of three internal resistors for the CTM when the liftgate key lock cylinder is in the lock, unlock or neutral positions. The CTM reads the switch status through an internal pull-up, then uses this input and its internal programming to control the proper Vehicle Theft Security System (VTSS) and power lock system outputs.

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    Dodge Durango Service Manual / Vehicle Theft/Security Systems / Description and operation / Liftgate lock cylinder switch

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