DTC P0325: Knock Sensor Circuit Malfunction: Condition

DTC is set when PCM does not detect input from Knock Sensor (KS) for 5 seconds with engine running, engine load more than 50 percent, engine coolant temperature more than 140°F (60°C), and engine speed 1500-5000 RPM. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during first drive cycle. Possible causes are:

• KS malfunction.
• Open or short circuit between KS and PCM.
• PCM malfunction.