P1324 Code Honda – Low Voltage in Knock Sensor Power Source Circuit

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What are the possible causes of Honda DTC P1324?

NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.

  • Faulty knock sensor
  • Poor electrical connection in the knock sensor circuit
  • Knock sensor harness is open or shorted
  • Faulty Engine Control Module (ECM)

Honda P1324 Code Technical Notes

The P1324 code means the knock sensor is not functioning properly. Problems with the knock sensor will not cause engine performance issues. Replacing the knock sensor usually resolves the problem.

How to fix Honda DTC P1324?

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is Honda P1324 code detected?

When an excessively low sensor voltage is sent to the Engine Control Module (ECM)

What are the possible symptoms of Honda P1324 code?

  • Check Engine Light on (or Service Engine Soon warning light)
  • Engine misfire/loss of power

What does Honda P1324 code mean?

The knock sensor is mounted on the cylinder block and detects engine knocking. The vibrations caused by knocking are converted into electrical signals through the piezoelectric ceramic element. The Engine Control Module (ECM) controls the ignition timing based on the electrical signals. If the signal from the knock sensor does not vary for a defined period of time, the ECM detects a malfunction and sets the P1324 code.

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