DTC P0325: Knock Sensor Circuit Problem: Condition

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PCM monitors knock sensor signal when load is more than 36 percent, coolant temperature is more than 149°F and engine speed is 1000-4500 RPM. If no knock signal is received after 5 seconds, DTC is set. Causes may include the following:

Faulty knock sensor.
Faulty connector.
Open or short circuit.
PCM malfunction.