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 Avalon LimitedFACTORY OEM SERVICE PROCEDURE
Waveform 5
- Variable Valve Timing (VVT) sensor signal
- Crankshaft position sensor signalWAVEFORM 5 REFERENCE CHART
ECM Terminal Names (b) between VV1+ and VV1-, VV2+ and VV2-, EV1+ and EV1-, or EV2+ and EV2- ECM Terminal Names (a) Between NE+ and NE- Tester Ranges 5 V/DIV, 20 msec./DIV Conditions Idling HINT:
The wavelength becomes shorter as the engine rpm increases.
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.