DTC Troubleshooting: P0325 (23)
  1. Check for continuity between ECM/PCM connector terminal C46 and body ground.
Is there continuity?
YES -
Go to Step 13 .
NO -
Repair open in the wire between the ECM/PCM (C46) and the knock sensor, then go to Step 14 .
  1. Replace the knock sensor.
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Reset the ECM/PCM with the HDS.
  1. Do the ECM/PCM idle learn procedure.
  1. Hold the engine speed between 3,000−4,000 rpm (min −1 ) for at least 10 seconds.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0325 indicated?
YES -
Go to Step 21 .
NO -
Go to Step 20 .
  1. Monitor the OBD STATUS for DTC P0325 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES -
Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in Step 19 , go to the indicated DTC's troubleshooting.■
NO -
If the screen indicates FAILED, check for poor connections or loose terminals at the knock sensor and the ECM/PCM, then go to Step 1 . If the screen indicates NOT COMPLETED, go to Step 18 .
  1. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM.
  1. Hold the engine speed at 3,000−4,000 rpm (min −1 ) for at least 10 seconds.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0325 indicated?
YES -
Check for poor connections or loose terminals at the knock sensor and the ECM/PCM. If the ECM/PCM was updated, substitute a known-good ECM/PCM, then go to Step 22 . If the ECM/PCM was substituted, go to Step 1 .
NO -
Go to Step 24 .
  1. Monitor the OBD STATUS for DTC P0325 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES -
If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. If any other Temporary DTCs or DTCs were indicated in Step 23 , go to the indicated DTC's troubleshooting.■
NO -
If the screen indicates FAILED, check for poor connections or loose terminals at the knock sensor and the ECM/PCM. If the ECM/PCM was updated, substitute a known-good ECM/PCM, then go to Step 22 . If the ECM/PCM was substituted, go to Step 1 . If the screen indicates NOT COMPLETED, go to Step 22 .