Ignition Key Lock

WARNING: This page is about a different car, the 2002 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Remove the instrument panel lower cover. See INSTRUMENT PANEL ASSEMBLY under REMOVAL & INSTALLATION.
Remove the lower column cover.
Unfasten the hold-down clip which secures the harness, and disconnect the connector of the ignition switch from the body harness.
Turn the ignition key plate to each position, and measure the ignition switch resistance. See Fig 1 . If no good, replace ignition switch.

Fig 1: Testing Ignition Key Lock

Courtesy of SUBARU OF AMERICA, INC.