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
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10 V at idle.
>>GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and run it for at least 5 seconds at idle speed.
2. Check 1st trip DTC.

Is 1st trip DTC detected?
YES>>Go to Diagnosis Procedure (GT-R certified NISSAN dealer).
NO>>INSPECTION END