Nissan GT-R (R35) · Service Manual ENGINE

P0327, P0328, P0332, P0333 KS

VR38

P0327 P0328 P0332 P0333

Description


The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM.

DTC Logic

 
 DTC DETECTION LOGIC

DTC No.
 		Trouble diagnosis name
 		DTC detected condition
 		Possible cause
P0327
 		Knock sensor (bank 1) circuit low input
 		An excessively low voltage from the sensor is sent to ECM.
  • Harness or connectors
    (The sensor circuit is open or shorted.)
  • Knock sensor
P0328
 		Knock sensor (bank 1) circuit high input
 		An excessively high voltage from the sensor is sent to ECM.
P0332
 		Knock sensor (bank 2) circuit low input
 		An excessively low voltage from the sensor is sent to ECM.
P0333
 		Knock sensor (bank 2) circuit high input
 		An excessively high voltage from the sensor is sent to ECM.

 
 DTC CONFIRMATION PROCEDURE

 
 1.PRECONDITIONING
 
 2.PERFORM DTC CONFIRMATION PROCEDURE

Diagnosis Procedure


 
 1.CHECK GROUND CONNECTION
 
 2.CHECK KNOCK SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
 
 3.DETECT MALFUNCTIONING PART
 
 4.CHECK KNOCK SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
 
 5.DETECT MALFUNCTIONING PART
 
 6.CHECK KNOCK SENSOR
 
 7.CHECK INTERMITTENT INCIDENT

Component Inspection


 
 1.CHECK KNOCK SENSOR