Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA2025HIGHLANDER XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSSMART KEY SYSTEM (FOR ENTRY) - DIAGNOSTICS - INTRODUCTIONSMART KEY SYSTEM (FOR ENTRY FUNCTION)HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023]CAUTION / NOTICE / HINT
2025 Toyota Highlander XLE, FWD
Caution / Notice / Hint
2025 Toyota Highlander XLE, FWDSECTION Caution / Notice / Hint
WARNING:
Make sure to check the items listed below before proceeding with troubleshooting.
- Do not perform "Smart Code Reset" (all key ID erasure) until all of the malfunctions and symptoms have been confirmed and resolved. If all key ID erasure is performed without confirming or resolving malfunctions, key registration will be unable to be performed, resulting in unnecessary part replacement.
- Check that the smart key system has not been canceled in the customize function.
HINT:
- Replace parts related to the wireless door lock and smart key system according to the inspection procedure.
- If the wireless door lock and smart key system does not operate, first check the customize item and make sure that the wireless door lock and smart key system is not turned off.
- The wireless door lock and smart key system primarily uses the following systems.
- Power door lock system
- Wireless door lock system
- Smart key system (for Entry Function)
- Smart key system (for Start Function)
- Steering lock function
- Immobiliser function
- Perform troubleshooting procedures with other registered keys if available.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.