DTC DETECTION LOGIC

NOTE:
If DTC P0237, P0238, P0241 or P0242 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0237
Turbocharger boost 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.)
  • Turbocharger boost sensor
P0238
Turbocharger boost sensor
(bank 1) circuit high input
An excessively high voltage from the sensor is sent to ECM.
P0241
Turbocharger boost sensor
(bank 2) circuit low input
An excessively low voltage from the sensor is sent to ECM.
P0242
Turbocharger boost 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