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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 403 (Engine Control System) >> DTC P0327, P0328, P0332, P0333: KS >> Diagnostic Procedure >> 2. Check Knock Sensor Input Signal Circuit For Open And Short-I
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2. Check Knock Sensor Input Signal Circuit For Open And Short-I

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect ECM harness connector.
  2. Check resistance between ECM terminals 125, 126 and ground.

    Refer to WIRING DIAGRAM .

    NOTE: It is necessary to use an ohmmeter which can measure more than 10 MΩ.

    Resistance: Approximately 530 - 590kΩ [at 20°C (68°F)] 

  3. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 6. DETECT MALFUNCTIONING PART .
  2. NG: GO TO 3.