Camshaft Position Sensor: Testing and Inspection

1997 Lexus ES 300 V6-3.0L (1MZ-FE)SECTION Testing and Inspection

CAMSHAFT POSITION SENSOR TESTING AND INSPECTION

1. Disconnect camshaft position sensor connector.





2. Inspect camshaft position sensor resistance.
Using an ohmmeter, measure the resistance between terminals.

Resistance:
Cold: 835-1,400 ohm
Hot: 1,060-1,645 ohm


If the resistance is not as specified, replace the camshaft position sensor.
3. Reconnect camshaft position sensor connector.

NOTICE: "Cold" and "Hot" in these sentences express the temperature of the sensor. "Cold" is from -10°C (14°F) to 50°C (122°F) and "Hot" is from 50°C (122°F) to 100°C (212°F).
RENDER: 1.0x

NO RELATED

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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.