DTC P0327 Or DTC P0328: Condition
WARNING: This page is about a different car, the 2003 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0327 is set when Engine Control Module (ECM) detects Knock sensor voltage is 0.5 volt or less for 2 seconds. DTC P0328 is set when ECM detects Knock sensor voltage is 5 volt or more for 2 seconds. MIL is illuminated when ECM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- ECM malfunction.
- Knock sensor malfunction.
- "RED" circuit malfunction.