Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Testing and Inspection

1. Verify that the ignition switch is OFF.
2. Disconnect knock sensor connector.




3. Measure the resistance between knock sensor terminal A and the knock sensor body by using an ohmmeter.
- If not as specified, replace the knock sensor.

Specification : Approx. 560 kohms [20 °C {68 °F)]