Tools and Materials Needed:
- Replacement ignition switch (OEM or high-quality aftermarket)
- 10mm socket wrench
- Flat-head screwdriver
- Phillips-head screwdriver
- Torx screwdriver
- Flashlight
- Electrical tape
Safety Precaution:
Before starting, ensure the vehicle is parked on a leveled surface, and the parking brake is engaged. Disconnect the battery's negative terminal to prevent any accidental electrical discharge during the process.
Step-by-Step Guide:
1. Remove the Steering Wheel Cover:
- Use a flat-head screwdriver to pry open the small cover located on the steering wheel hub.
- Remove the two Phillips-head screws revealed underneath the cover.
- Gently pry off the steering wheel cover, starting at the top and working your way around the edges.
2. Remove the Airbag Module:
Caution: This step involves working with the airbag module, so handle it with care.
- Disconnect the battery's negative terminal again to ensure there's no electrical current.
- Use a Torx screwdriver to remove the two screws holding the airbag module.
- Disconnect the electrical connectors attached to the airbag module.
- Carefully lift and set the airbag module aside in a safe location.
3. Remove the Steering Wheel:
- Use a 10mm socket wrench to remove the steering wheel nut.
- Mark the position of the steering column relative to the steering wheel using a marker or chalk.
- This will help you align the steering wheel correctly when you reinstall it.
- Gently pull the steering wheel straight towards you to remove it.
4. Remove the Ignition Switch:
- Use the flat-head screwdriver to pry open the ignition switch bezel.
- Remove the two Phillips-head screws revealed behind the bezel.
- Disconnect the electrical connectors attached to the ignition switch.
- Use the 10mm socket wrench to remove the bolts holding the ignition switch in place.
- Pull the ignition switch out of its housing.
5. Install the New Ignition Switch:
- Insert the new ignition switch into its housing and secure it using the bolts.
- Hand-tighten the bolts for now.
- Reconnect the electrical connectors to the ignition switch.
- Install the ignition switch bezel and secure it with the Phillips-head screws.
6. Reinstall the Steering Wheel:
- Align the steering wheel with the mark you made earlier.
- Push the steering wheel firmly back onto the steering column.
- Reinstall the steering wheel nut and tighten it securely using a 10mm socket wrench.
7. Reinstall the Airbag Module:
- Connect the electrical connectors to the airbag module.
- Secure the airbag module with the Torx screws.
8. Reinstall the Steering Wheel Cover:
- Snap the steering wheel cover back into place, making sure it's securely attached.
9. Recheck the Steering Wheel Alignment:
- Turn the ignition on and check if the steering column appears straight.
- If necessary, adjust the position of the steering column by slightly loosening and retightening the steering column bolts.
10. Reconnect the Battery:
- Reconnect the negative terminal of the battery.
Test the ignition switch by starting the engine and turning it off a few times to ensure it's functioning correctly. If everything works well, you've successfully replaced the ignition switch in your 2002 Toyota Camry.
Note: The steps mentioned above are general guidelines, and the actual process may vary slightly depending on the specific trim level and package of your vehicle. If you're unsure about any step, it's recommended to consult a repair manual or seek assistance from a qualified mechanic.