Operation CHARM: Car repair manuals for everyone.
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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Knock Sensor: Testing and Inspection





2GR-FSE ENGINE CONTROL SYSTEM: KNOCK SENSOR: INSPECTION

1. INSPECT KNOCK SENSOR

(a) Measure the resistance between the terminals.





Standard resistance:

120 to 280 kOhms at 20°C (68°F)

(a) If the result is not as specified, replace the sensor.