Circuit Description
WARNING: This page is about a different car, the 2000 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
Knock sensor generates voltage when engine block vibrates due to knocking. DTC is set when there is no knock sensor signal to ECM with engine speed of 1200 RPM or more. Possible causes are:
- Knock sensor circuit is open or shorted.
- Defective or loose knock sensor.
- Defective ECM.