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.

Specification Approx: 560 kohms @ 20°C (68°F)

4. If not as specified, replace the knock sensor.