Repair procedures: Inspection

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

Fig 1: Identifying Ignition And Key Switch Connector
Courtesy of KIA MOTORS AMERICA, INC.
Check for continuity between the terminals.
If continuity is not specified, replace the switch.

Fig 2: Identifying Ignition And Key Switch Connector Terminals
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Fig 3: Ignition And Key Switch Continuity Reference Chart
Courtesy of KIA MOTORS AMERICA, INC.