Diagnose the Problem

• Check if there is any visible obstruction or debris preventing the sunroof from closing.
• Listen for any unusual noises when you try to close the sunroof. This might indicate a mechanical issue or a problem with the motor.
• Verify whether the sunroof switch is functioning properly; sometimes buttons or switches can wear out over time.
• Confirm that the vehicle’s battery is working well, as a weak battery might not provide sufficient power to operate the sunroof.

Reset the Sunroof

• Insert the key into the ignition and turn it to the "On" position without starting the engine.
• Press and hold the sunroof’s open/close switch in the close position. Continue holding the switch even if the sunroof does not move immediately.
• After a few seconds, release the switch and then press it again to see if the sunroof begins to operate normally.
• This step may reset the sunroof's electronics, resolving any minor glitches.

Manual Override

• Locate the sunroof motor access panel in your vehicle, usually situated underneath an overhead light or near the sunroof controls.
• Remove the access panel cover carefully to avoid damaging any clips or wires.
• Inspect for a mechanical override tool, which might accompany your car toolkit. It typically looks like a hex key.
• Insert the tool into the manual override port on the sunroof motor, and carefully turn it to manually close the sunroof.
• Be gentle and avoid forcing the sunroof, as excessive force might damage the sunroof mechanism.

Inspect the Fuse

• Consult your vehicle’s manual to locate the fuse box and identify the correct fuse for the sunroof.
• Remove the sunroof fuse using a fuse puller tool or a pair of needle-nose pliers.
• Check the fuse for any signs of damage or burnt-out components. If necessary, replace it with a fuse of the same amperage rating.
• After replacing the fuse, test the sunroof to see if it closes properly.

Check the Sunroof Motor and Switch

• Detach the switch panel where the sunroof control is mounted, being cautious not to damage it.
• Use a multimeter to test the voltage at the sunroof switch and verify if it’s getting power.
• Listen closely to determine if the sunroof motor is making any sounds, which suggests it's working but might be jammed.
• If the motor is not operating at all, consider checking or replacing the sunroof motor or switch.

Seek Professional Help

• If none of the above steps resolve the issue, it could indicate a more complex problem, such as an electrical system fault or a severely damaged sunroof track.
• Consult a certified mechanic or a Toyota dealership specializing in your vehicle model for an expert examination and repairs.
• Professionals can perform detailed diagnostics and repairs that might be outside the scope of common troubleshooting.