DTC Detection Logic

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If DTC P0014 or P0024 is displayed with DTC P0078, P0084 first perform trouble diagnosis for DTC P0078, P0084. Refer to "DTC LOGIC ".
If DTC P0014 or P0024 is displayed with P1078, P1084 first perform trouble diagnosis for P1078, P1084. Refer to "DTC LOGIC ".

DTC DETECTING CONDITION AND POSSIBLE CAUSE REFERENCE

DTC No.	Trouble diagnosis name	Detecting condition	Possible cause
P0014	Exhaust valve timing control performance (bank 1)	There is a gap between angle of target and phase-control angle degree.	Crankshaft position sensor (POS) Camshaft position sensor (PHASE) Exhaust valve timing control position sensor Exhaust valve control magnet retarder Accumulation of debris to the signal pick-up portion of the camshaft Timing chain installation Exhaust valve timing control pulley assembly
P0024	Exhaust valve timing control performance (bank 2)