P0325 · blink 18 – Knock Sensor 1 Circuit Malfunction
- System
- Engine control (EFI)
- Dashboard light
- Check engine light (MIL)
- Check-engine blink code
- 18
- Applies to
- 1KR-FE: M300 (Sirion export = JDM Boon M300S/M301S(4WD? see gaps) & Passo KGC10/KGC15). JDM-spec ECU not separately documented | K3-VE: M301 (Sirion 1.3 = JDM Boon M310S? / Passo QNC10)
- Description
- Knock Sensor 1 Circuit Malfunction
- Detection / symptoms
- Detection: 1.When the signals from the knock sensor are not outputted continuously after starting over a certain length of time.
- Possible causes
- Trouble area: 1.Open wire or short circuit for knock sensor system circuit 2.Knock sensor 3.EFI ECU
- What to check
- Checking points: 1.Is the signal from the knock sensor inputted to the EFI ECU? 2.Is the harness between the knock sensor and the EFI ECU normal? 3.Is the output of the knock sensor normal?; Unit check B8-221: knock sensor KNK-E2 200+/-80 kohm
- Confidence
- high (factory manual, export spec)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights