Contents Section: Testing & Diagnostics All sections

DTC P0325: KNOCK SENSOR CIRCUIT MALFUNCTION Kia Rio I рестайлинг

Note. Before performing any diagnostic test, refer toWARNINGS, CAUTIONS and NOTES in DIAGNOSTIC TESTS .

Note. Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt-Ohmmeter Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.

Diagnostic Aids

Malfunction code enable criteria not available from manufacturer. Check for following possible problems

  1. Open or short between knock sensor and Engine Control Module (ECM).
  2. Source of high resistance between Knock sensor and ECM.
  3. Faulty Knock sensor.