Operation CHARM: Car repair manuals for everyone.

Knock Sensor: Testing and Inspection

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




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

Specification: Approx. 560 kOhms [20° C (68° F)]