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 MANUALSTOYOTA2025GRAND HIGHLANDER HYBRID LIMITEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 10 (SMART KEY SYSTEM (START FUNCTION) (EXCEPT HYBRID) - DIAGNOSTICS - INTRODUCTION)
2025 Toyota Grand Highlander Hybrid Limited
Section 10 (Smart Key System (Start Function) (Except Hybrid) - Diagnostics - Introduction)
2025 Toyota Grand Highlander Hybrid LimitedSECTION Section 10 (Smart Key System (Start Function) (Except Hybrid) - Diagnostics - Introduction)
WARNING: This page is about a different variant/trim than selected.
- SMART KEY SYSTEM (for Start Function, Gasoline Model)
- Precaution [06/2023 - ]
- Parts Location [06/2023 - ]
- System Diagram [06/2023 - ]
- How To Proceed With Troubleshooting [06/2023 - ]
- Customer Problem Analysis Check [06/2023 - ]
- Check For Intermittent Problems [06/2023 - ]
- Operation Check [06/2023 - ]
- Registration [06/2023 - ]
- Customize Parameters [06/2023 - ]
- Problem Symptoms Table [06/2023 - ]
- Terminals Of Ecu [06/2023 - ]
- Data List / Active Test [06/2023 - ]
- Diagnostic Trouble Code Chart [06/2023 - ]
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.