Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Knock Sensor: Testing and Inspection

INSPECT KNOCK CONTROL SENSOR

a. Using an ohmmeter, measure the resistance between the terminals.

Standard: 120 to 280 kOhms at 20 degree C (68 degree F)

If the result is not as specified, replace the sensor.