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P0325 Toyota

P0325 Toyota - Knock Sensor Circuit Malfunction

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P0325 Toyota Comments |  Add Comment
Possible causes
- Faulty knock sensor
- Knock sensor circuit poor electrical connection
- Knock sensor harness is open or shorted
- Faulty Engine Control Module (ECM)
Help with Possible causes What does this mean?
Tech notes
The P0325 code means that the Knock Sensor is not working properly. Replacing the knock sensor usually takes care of the problem.
Help with Tech Notes What does this mean?
When is the code detected?
When an excessively low or high voltage from the sensor is sent to Engine Control Module (ECM)
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Possible Lack/Loss of Power
P0325 Toyota Description

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the Engine Control Module (ECM).

TOYOTA Technical Service Bulletins for P0325 code
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2004 TOYOTA SCION TC Engine And Engine Cooling:engine Details
2005 TOYOTA ECHO Engine And Engine Cooling:engine Details
2005 TOYOTA SCION TC Engine And Engine Cooling:engine Details
2004 TOYOTA SCION TC 061000 Engine And Engine Cooling:engine Details
2004 TOYOTA ECHO 061000 Engine And Engine Cooling:engine Details
2005 TOYOTA ECHO 061000 Engine And Engine Cooling:engine Details
2005 TOYOTA SCION TC 061000 Engine And Engine Cooling:engine Details
Help with Technical Service Bulletins What does this mean?
P0325 Toyota Information for specific Toyota models
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