DTC P0331

DTC P0331  : Knock Sensor 2 (Bank 2) Malfunction

DTC (PGM-FI)

1. Knock sensor 2 (Bank 2) installation check

   -1. Check that knock sensor 2 (Bank 2) is installed correctly.

   Is knock sensor 2 (Bank 2) installed correctly?

   YES 

   Installation is OK. Replace knock sensor 2 (Bank 2) , then do the repair verification.

   NO 

   Installation is not correct, reinstall knock sensor 2 (Bank 2), then do the repair verification.

2. Repair verification

   -1. Reconnect all connectors.

   -2. Turn the vehicle to the ON mode.

   -3. Reset the PCM with the HDS .

   Reset PCM

   -4. Do the PCM idle learn procedure.

   -5. Test-drive under these conditions:

   • Engine coolant temperature (ECT SENSOR 1) above 158 deg.F (70 deg.C)
   • Transmission in D
   • Engine speed at 2, 000 RPM or more
   • Drive 5 seconds or more

   Signal	Current conditions
   	Values	Unit
   ECT SENSOR 1
   ENGINE SPEED

   -6. Check for Pending or Confirmed DTCs with the HDS.

   DTC Description	Confirmed DTC	Pending DTC	Freeze Frame
   P0331 Knock Sensor 2 (Bank 2) Malfunction

   DTC (PGM-FI)

   Is DTC P0331 indicated?

   YES 

   Check for poor connections or loose terminals at knock sensor 2 (Bank 2) and the PCM. If the PCM was updated, substitute a known-good PCM , then recheck. If the PCM was substituted, go to step 1.

   NO 

   Troubleshooting is complete. If the PCM was substituted, replace the original PCM . If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.