Honda CR-V: DTC P0325: Knock Sensor Circuit Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS.

3. Start the engine. Hold the engine speed between 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.

4. Hold the engine speed between 3,000-4,000 rpm for at least 10 seconds.

5. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P0325 indicated? YES-Go to step 6.

NO-Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the knock sensor and the PCM.

6. Turn the ignition switch OFF.

7. Jump the SCS line with the HDS.

8. Disconnect the knock sensor 1 P connector.

9. Disconnect PCM connector C (44P).

10. Check for continuity between PCM connector terminal C42 and body ground.

Honda CR-V. DTC Troubleshooting

Is there continuity? YES-Repair short in the wire between the PCM (C42) and the knock sensor, then go to step 14.

NO-Go to step 11.

11. Connect the knock sensor 1 P connector terminal to body ground with a jumper wire.

Honda CR-V. DTC Troubleshooting

12. Check for continuity between PCM connector terminal C42 and body ground.

Is there continuity? YES-Go to step 13.

NO-Repair open in the wire between the PCM (C42) and the knock sensor, then go to step 14.

13. Replace the knock sensor.

14. Reconnect all connectors.

15. Turn the ignition switch ON (II).

16. Reset the PCM with the HDS.

17. Do the PCM idle learn procedure.

18. Hold the engine speed between 3,000-4,000 rpm for at least 10 seconds.

19. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P0325 indicated? YES-Go to step 21.

NO-Go to step 20.

20. 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 PCM, then go to step 1. If the screen indicates NOT COMPLETED, go to step 17.

21. Update the PCM if it does not have the latest software, or substitute a known-good PCM.

22. Hold the engine speed between 3,000-4,000 rpm for at least 10 seconds.

23. 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 PCM. If the PCM was updated, substitute a known-good PCM, then go to step 22. If the PCM was substituted, go to step 1.

NO-Go to step 24.

24. Monitor the OBD STATUS for DTC P0325 in the DTCs MENU with the HDS.

Does the screen indicate PASSED? YES-If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original 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 PCM. If the PCM was updated, substitute a known-good PCM , then go to step 22. If the PCM was substituted, go to step 1. If the screen indicates NOT COMPLETED, go to step 22.

READ NEXT:

 DTC P0335: CKP Sensor No Signal

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. 1. Turn the ignition switch ON (II). 2. Clear the DTC with the H

 DTC P050A: Cold Start Idle Air Control System Performance Problem

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. 1. Turn the ignition switch ON (II). 2. Check for Temporary DTCs o

 DTC P1116: ECT Sensor 1 Performance Problem

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. If DTC P0111 is stored at the same time as DTC P1116, trouble

SEE MORE:

 Reporting Safety Defects (U.S. Vehicles)

If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying American Honda Motor Co., Inc. If NHTSA receives similar complaints

 How Your Side Curtain Airbags Work

In a Side Impact In a moderate to severe side impact, sensors will detect rapid acceleration and signal the control unit to instantly inflate the side curtain airbag. If the impact is on the passenger’s side, the passenger’s side curtain airbag will inflate even if there are no

© 2016-2020 Copyright www.hcrv.net