Fob Holder

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Fob Holder

Courtesy of KIA MOTORS AMERICA, INC.

This unit is used for transponder authentication. In case of a vehicle equipped with Smart key, this transponder authentication is necessary in case of failure of the passive fob authentication (Engine loss of RF or LF link with the fob).

The Fob holder module integrates a slot where to insert the fob. The fob is maintained in position with a push-push mechanical locking (not electrically driven) and a signal (FOB IN) is sent back to the SMK as soon as its insertion is detected.

The power supply of the fob holder is active only if a communication is initiated by the SMK.

The insertion of the fob into the holder and the communication with the transponder should be possible regardless of the insertion direction of fob to the holder (buttons facing up or bottom).

A lighting device is also integrated for illumination of the Fob Holder and it is driven directly by the SMK.

The main functions of the Fob holder are:

Transponder base station
Fob mechanical lock
Illumination