LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC P0014, P0024: EVT Control >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

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 DTC P1078, P1084 first perform trouble diagnosis for DTC P1078, P1084. Refer to  DTC LOGIC  . 
DTC No. Trouble diagnosis name
(Trouble diagnosis content)
Detecting condition Possible cause
P0014 EXH/V TIM CONT-B1
[Exhaust valve timing control performance (bank 1)]
During the advanced control of exhaust valve timing control, the angle difference between actual angle and target angle is 13 degrees or more.
  • Crankshaft position sensor
  • Camshaft position sensor
  • Exhaust valve timing control position sensor
  • Exhaust valve timing control solenoid valve
  • Accumulation of debris to the signal pick-up portion of the camshaft
  • Timing chain installation
  • Foreign matter caught in the oil groove for exhaust valve timing control
P0024 EXH/V TIM CONT-B2
[Exhaust valve timing control performance (bank 2)]