Toyota 84052-60010 Switch Assy, Un-Lock Warning

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Disconnect the cable from the negative terminal of the battery and remove the steering column covers. Unplug the ignition switch wiring harness connectors by disconnecting the electrical connectors at the bottom of the ignition switch housing. Remove the switch retaining screws to take out the electrical portion of the ignition switch, then pull the switch from the lock cylinder housing, with installation being the reverse of removal. For models equipped with the engine immobilizer system, gently pry off the plastic shroud around the ignition lock cylinder and disconnect the electrical connector, lifting the shroud edge from the locating tab just enough to slip it off, as it houses the amplifier for the special transponder keys. Pry lightly to remove the illumination ring, then take out the unlock arming switch. Insert the key and turn it to the ACC position, then use a small screwdriver or punch to depress the lock cylinder retaining pin and withdraw the key cylinder. To install the lock cylinder, depress the retaining pin and guide it into the housing until the pin extends back into the locating hole, with the remainder of the installation being the reverse of removal.

To check the ignition switch, follow these steps, Trace the wire from the ignition switch to the main wiring harness connector and disconnect it. Then, use an ohmmeter or self-powered test light to assess continuity between the specified switch terminals in different switch positions. If continuity doesn't match the specified values, replace the switch. For ignition switch removal, begin by disconnecting the battery's negative terminal cable and placing the ignition key in the ACC position. Proceed to remove the steering wheel and steering column covers. Then, take out the steering column switches and unplug the ignition switch wiring harness connectors. Detach the switch retaining screws and remove the switch assembly from the steering column. Installation involves reversing the removal process. To remove the Ignition Lock Cylinder, depress the Ignition Lock Cylinder retaining pin using a small screwdriver or punch, then pull the Ignition Lock Cylinder straight out from the vehicle. To install the Ignition Lock Cylinder, depress the retaining pin and guide the Ignition Lock Cylinder into the steering column housing until the retaining pin locks into the locating hole. The rest of the installation process is the reverse of the removal steps.

Disconnect the cable from the negative terminal of the battery. Remove the steering column covers. Unplug the ignition switch wiring harness connectors, then remove the switch retaining screws and pull the switch from the lock cylinder housing, with installation being the reverse of removal. For models equipped with the engine immobilizer system, gently dry off the plastic shroud around the key lock cylinder and disconnect the electrical connector, lifting the shroud edge from the locating tab just enough to slip it off, as it houses the amplifier for the special transponder keys. Pry lightly to remove the illumination ring and then take out the unlock arming switch. Insert the key and turn it to the ACC position. Use a small screwdriver or punch to depress the lock cylinder retaining pin, then withdraw the key cylinder. To install the lock cylinder, depress the retaining pin and guide it into the housing until the retaining pin extends back into the locating hole, with the remainder of installation being the reverse of removal.

To install the lock cylinder, depress the retaining pin and guide the lock cylinder into the housing until the retaining pin extends itself back into the locating hole. The remaining steps for installation are the reverse of removal.

1. Remove the heater blower motor switch. 2. The air conditioning switch is integral with the blower switch and cannot be renewed separately. 3. Refitting is a reversal of removal.