General Information

Power Trunk Module

B2459 Latch Motor and Switch Error - General Information

Component Location





General Description

The motor of PTM (Power Trunk Lid Module) consists of Drive Motor, Trunk Latch Motor, and Power Striker Motor. Therefore, It is available to open trunk by mechanical power. Opening is controlled by Trunk Lid Outside Handle, Door Trim Pull Switch, or Remote Controller. Closing is controlled by Inner Switch or Door Trim Push Switch. Opening or closing the rid by mechanical power is performed by hinge's rotation which is controlled by rod (This rod is consists of Sector Gear linked to Drive Motor Gear).
The motor speed is monitored by Hall IC. This value is used to control the driving power. The power is up when the speed is slower than the specific value and the power is down when the speed is faster than the specific value. Besides, the trunk lid is controlled in the counter direction when there is long interval between signals from Hall IC. Because It is assumed that there is obstacle or interference.
PTM judges whether the trunk Latch locks or unlocks the trunk rid by operating the trunk latch motor.






DTC Description

This code is outputted when there is the fixed switch signal (ON/OFF) while PTM operates the trunk rid.
In case of no Trunk Latch Motor working and abnormal signal : faulty motor, short/open on motor circuit.
In case of Trunk Latch Motor working but abnormal signal : faulty switch, or short/open on switch circuit.

DTC Detecting Condition





Diagnostic Circuit Diagram