Kia Optima: Immobilizer Control Unit. Repair procedures - Immobilizer System - Body Electrical System - Kia Optima TF 2011-2026 Service ManualKia Optima: Immobilizer Control Unit. Repair procedures

Replacement

1. Disconnect the negative (-) battery terminal.
2. Remove the crash pad lower panel.

(Refer to the BD group - "Crash pad")

3. Disconnect the 5P connector of the SMARTRA unit and then remove the SMARTRA unit (A) after loosening the bolt.

[USA]

4. Disconnect the immobilizer unit connector and then remove the immobilizer unit(A) and bracket after loosening a shear bolt or removing the unit from the mounting bracket (B) using a flat-up screwdriver.
- When removing the shear bolt, punch the shear bolt using a centering punch.
- And drill its head off with a drill bit.
- Be careful not to damage the SMARTRA unit.
[CANADA]

5. Installation is the reverse of removal procedure.

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