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.

2006 Toyota Sienna CEFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Inspection

INSPECT KNOCK SENSOR
1. Continuity inspection.
  1. Using an ohmmeter, measure the resistance between the terminals.
    Standard Resistance: 120 to 280 kΩ at 20°C (68°F)
    
    Fig 1: Inspecting Knock Sensor
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    HINT:
    
    If the resistance is not specified, replace the sensor.

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.