DTC DETECTION LOGIC

NOTE:
If DTC P0234 or P1334 is displayed with DTC P0237, P0238, P0241 or P0242, first perform the trouble diagnosis for DTC P0237, P0238, P0241 or P0242. Refer to DTC Logic (GT-R certified NISSAN dealer).

DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0234
Turbocharger overboost condition (bank 1)
Turbocharger boost is higher than the target value.
  • Turbocharger boost sensor
  • Turbocharger boost control solenoid valve
  • Exhaust manifold and turbocharger assembly
  • Disconnection, looseness or improper connection of boost control actuator hose
P1334
Turbocharger overboost condition (bank 2)

 
 DTC CONFIRMATION PROCEDURE

 
 1.PERFORM COMPONENT FUNCTION CHECK