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 logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Knock Sensor: Testing and Inspection








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

INSPECTION

1. KNOCK CONTROL SENSOR






(a) Using an ohmmeter, measure the resistance between the terminals.
Resistance:
120 to 280 kOhms at 20°C (68°F)
If the resistance is not specified, replace the sensor.