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.
1997 Toyota Avalon XLFACTORY OEM SERVICE PROCEDURE
Camshaft Position Sensor
- Disconnect electrical connector from camshaft position sensor. Camshaft position sensor is located at flywheel end of driver's side (front) cylinder head, just below valve cover. See Fig 1. Using ohmmeter, check resistance between electrical terminals on camshaft position sensor.
- Replace camshaft position sensor if resistance is not within specification. See CAMSHAFT POSITION SENSOR RESISTANCE table. Reinstall electrical connector on camshaft position sensor.
CAMSHAFT POSITION SENSOR RESISTANCE
| Application | Ohms | |||||
|---|---|---|---|---|---|---|
| Nippondenso | ||||||
| Cold (1) | 835-1400 | |||||
| Hot (2) | 1060-1645 | |||||
| Wabash | ||||||
| Cold (1) | 1690-2560 | |||||
| Hot (2) | 2145-3010 | |||||
|
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Factory Service Tools
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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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