Toyota 84052-12070
Warning Switch

The 2AZ-FE starting system ignition switch assembly installment begins by fastening the lock stopper with the screw and concluding with the two ignition switch screws. Prepare the claw structure alignment before you link the unlock warning switch connector and use the cable tie to secure the ignition switch connector. Afterward install the steering column cover through attaching its lower section with the provided 2 screws while adjusting the steering wheel position to complete this step. You should next connect the cable to the negative battery terminal then initiate system start-ups since the reconnecting and reinterrupting of the cable affects some systems that require initialization.

Service of the ignition switch requires disconnecting the negative cable from the battery terminal followed by a minimum ninety second wait before proceeding. Start by taking out the 2 screws which secure the lower cover of the steering column along with its attached cover while properly rotating the steering wheel. Beginning service on the ignition switch assembly requires removal of the ignition switch connector along with disconnecting the unlock warning switch connector and cable tie removal before using a small screwdriver to disconnect the claw fitting while extracting the unlock warning switch connector followed by removing 2 screws and ignition switch with screw and lock stopper. The first step in installation involves screwing in the lock stopper but proceeding with the ignition switch installation using its 2 screws then positioning the claw for the unlock warning switch connector and securing all components with the cable tie. Connect the ignition switch connector to the unlock warning switch connector before you install the steering column cover with its 2 screws while turning the steering wheel if required. After inserting the cable to the negative battery terminal users must complete an initialization process because some devices need this step when reconnecting the cable.

Disconnect the cable from the negative battery terminal and wait at least 90 seconds to prevent airbag and seat belt pretensioner activation.

Remove the 2 screws and the lower cover, turning the steering wheel as necessary to access the screws.

Take out the 2 screws and the lower cover, turning the steering wheel as necessary.

Disconnect the ignition switch connector and the unlock warning switch connector, remove the band tie, use a small screwdriver to separate the claw fitting and remove the unlock warning switch connector, and finally remove the two screws to take out the ignition switch and the screw to remove the lock stopper.

Remove the 2 screws securing the ignition switch and the screw for the lock stopper.