| DTC | Definition |
|---|---|
| P0325 | Knock Sensor No. 1 Circuit |
| P0330 | Knock Sensor No. 2 Circuit |
DTC P0325 & P0330 DEFINITION
| CAUTION | If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction. |
Circuit Description
Knock sensors are located on either side of cylinder block. 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 2000 RPM or more. DTC P0325 is for knock sensor No. 1 on left bank. DTC P0330 is knock sensor No. 2 on right bank. Possible causes are
- Open or short in knock sensor circuit.
- Knock sensor (loose).
- ECM.