DTC P0326

DTC P0326  : Knock Sensor Malfunction

DTC (PGM-FI)

1. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode.

   -4. Enter the maintenance mode, then start the engine .

   -5. Hold the engine speed at 3000 RPM without load (in P or N) until the radiator fan comes on, then let it idle.

   -6. Hold the engine speed at 2000 RPM or more without load (in P or N) for at least 5 seconds.

   -7. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC
   P0326 Knock Sensor Malfunction

   DTC (PGM-FI)

   Is DTC P0326 indicated?

   YES 

   Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the knock sensor and the PCM. If the on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the on-board snapshot .

2. Knock sensor installation check

   -1. Check that the knock sensor is installed correctly.

   Is the knock sensor installed correctly?

   YES 

   Installation is OK. Replace the knock sensor .

   NO 

   Installation is not correct, reinstall the knock sensor.