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.
Ignition Timing: Inspection
- Activate Transit To Inspection Mode And Warm Up Engine (
PRECAUTION
)
.
Allow the engine to warm up to normal operating temperature.
- Connect Toyota Hand-Held Tester
- Connect the TOYOTA hand-held tester to the DLC3.
- Please refer to the TOYOTA hand-held tester operator's for further details.
- Connect Timing Light To Engine
.
Using a timing light, check the ignition timing.
Ignition timing: 7 - 15° BTDC @ idle (Transmission in parking range)
- Disconnect Timing Light From Engine .
- Disconnect Toyota Hand-Held Tester .
- Stop Engine .
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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