DTC P0325: Knock Sensor Circuit Problem: Condition

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 (KS).
• Faulty connector or terminals.
• Open or short between KS harness connector and PCM harness connector.
• PCM malfunction.