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.
Knock Sensor: Removal
- KNOCK CONTROL SENSOR
- Using an ohmmeter, measure the resistance between the terminals.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Resistance:
120 to 280 kΩ at 20°C (68°F)
If the resistance is not specified, replace the sensor.
- Disconnect the 6 fuel injector connectors.
- In order to remove the intake manifold, using several steps, remove the 9 bolts and 2 nuts in the sequence shown in the illustration.
- Using an ohmmeter, measure the resistance between the terminals.
- REMOVE WATER OUTLET (See REMOVAL )
- REMOVE KNOCK CONTROL SENSOR
- Disconnect the 2 knock sensor connectors.
- Remove the 2 nuts, and then remove the 2 knock sensors.
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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