Conditions for Setting the DTC

P0324 

The control module has detected an internal circuitry fault.

P0325 

The KS signal circuits are open or shorted together for 5 seconds.

P0326 

• The KS signal indicates an engine knock is present.
• The control module commanded spark retard at a given engine load and speed is more than the calibrated value.
• The above conditions exist for 5 seconds.

P0327 and P0328 

The KS signal circuits are shorted to ground or power.