Kia Optima DL3: Body Electrical System / Ignition Switch Assembly

Repair procedures

Removal
1.

Disconnect the negative battery terminal.

2.

Remove the steering column upper & lower shroud panel.

(Refer to Body - "Steering Column Shroud Panel")

3.

Remove the ignition lock switch assembly (A) by loosening the bolts after disconnecting the connectors (B, C).

Tightening torque :

6.9 - 12.8 N·m (0.7 - 1.3 kgf·m, 5.0 - 9.4 lb·ft)

Installation
1.

Install in the reverse order of removal.

  

The existing shear bolts must be replaced with a new one. (Do not reuse it.)

Tighten the shear bolts until its head is cut off.

Inspection
1.

Disconnect the ignition switch connector (B) and key warning switch connector (A) from under the steering column.

2.

Check for continuity between the terminals.

    Specifications Specifications Item Specification Remark Operating voltage 9 - 16 V - Current consumption MAX 5.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: Smart Key Diagnostic

    Repair procedures Inspection 1. In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (KDS). The diagnostic system (KDS) provides the following information. (1) Self diagnosis : Checking failure and code number (DTC).

    Kia Optima DL3 2019-2026 Service and Repair Manual: Heater Control Unit

    Components and components location Components Connector Pin Function [Connector A] Pin NO Funtion Pin NO Funtion 1 Ground 11 Ground 2 Clean signal 12 -

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