Troubleshooting

DTC P0325 Knock Sensor 1 Circuit Malfunction (Bank 1)

CIRCUIT DESCRIPTION

DTC Detecting Condition:

Each of knock sensor is fitted to the right bank and left bank of the cylinder block to detect an engine knocking. This sensor contains a piezoelectric element which generates a voltage when the cylinder block vibrates due to a knocking. If an engine knocking occurs, ignition timing is retarded to suppress it.

Wiring Diagram:

Step 1:

Step 2 - 4:

INSPECTION PROCEDURE