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.
2005 Toyota Highlander Limited, AWDFACTORY OEM SERVICE PROCEDURE
Service Data
2AZ-FE
Ignition System Service Data Specifications Chart (2AZ-FE)
| Spark plug | ||
| Recommended spark plug | DENSO | SK20R11 |
| NGK | IFR6A11 | |
| Electrode gap | Standard | 1.0 -- 1.1 mm (0.039 -- 0.043 in.) |
| Maximum | 1.3 mm (0.051 in.) | |
| Camshaft position sensor | ||
| Resistance | at cold | 835 -- 1400 Ω |
| at hot | 1060 -- 1645Ω | |
| Crank position sensor | ||
| Resistance | at cold | 985 -- 1600 Ω |
| at hot | 1265 -- 1890Ω |
3MZ-FE
Ignition System Service Data Specifications Chart (3MZ-FE)
| Spark plug | ||
| Recommended spark plug | DENSO | SK20R11 |
| NGK | IFR6A11 | |
| Electrode gap | Standard | 1.0 -- 1.1 mm (0.039 -- 0.043 in.) |
| Maximum | 1.3 mm (0.051 in.) | |
| Crank position sensor | ||
| Resistance | at cold | 835 -- 1400Ω |
| at hot | 1060 -- 1645Ω | |
| Crank position sensor | ||
| Resistance | at cold | 1630 -- 2740Ω |
| at hot | 2065--3225Ω |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no 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.