Kia Cadenza YG: Rear Curtain System / Rear Curtain Switch Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the passenger compartment juction box cover.
3.
Remove the crash pad side switch assembly (A) by pushing it through juction box cover hole.
   
Put on gloves to protect your hands.

4.
Remove the rear curtain switch (A) after disconnecting the connectors.

Installation
1.
Install the rear curtain switch and connector to the crash pad.
2.
Install the passenger compartment juction box cover.
Inspection
1.
Operate the switch and check for continuity between terminals with an ohmmeter.

    Inspection 1. AUTO UP/AUTO DOWN function (1) IGN ON, if you press the rear curtain switch, rear curtain motor operates the reverse direction of the before direction.

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: Blind Spot Detection Variant Coding Description and Operation

    Description The used radar frequency of BSD is two, "North America region" and "Except North America region". If it replaces BSD unit, BSD unit has to perform the procedure of variant coding. BSD Variant Coding 1. Select the "BSD Variant Coding" procedure in BSD system.

    Kia Cadenza YG 2016-2021 Service Manual: Blind Spot Detection Radar Calibration Description and Operation

    Description To sense the cars exactly in the next lane with the radar, the direction of the sensor and the direction of the vehicle have to align. This is BSD unit alignment. If this alignment is not performed as below illustration, the degradation of detection performance and the cause of false alarms.

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