LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2020 >> ILX >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Engine Control System - Diagnostics (P0172 - P0327) (Except Hybrid)) >> DTC Troubleshooting >> DTC P0326 (1.5 L Engine)

DTC P0326 (1.5 L Engine)

WARNING: This page is about a different car, the 2022 Honda Accord, 2021 Honda Accord, 2020 Honda Accord, 2019 Honda Accord, and 2018 Honda Accord. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0326  : Knock Sensor Malfunction

NOTE:  Before you troubleshoot, review the general troubleshooting information .

DTC Description Confirmed DTC Pending 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. Start the engine, and hold the engine speed at 3, 000 rpm without load (CVT in P or N, M/T in neutral) until the radiator fan comes on, then let it idle.

    -4. Hold the engine speed at 2, 000 rpm or more without load (CVT in P or N, M/T in neutral) for at least 5 seconds.

    -5. Check for Pending or Confirmed DTCs with the HDS.

    DTC Description Confirmed DTC Pending DTC
    P0326 Knock Sensor Malfunction    

    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.