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Home >> Infiniti >> 2023 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 5) >> Engine (ECM) >> DTC P0024: EVT Control >> DTC Description >> DTC Detection Logic
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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 Description .
  • If DTC P0014 or P0024 is displayed with DTC P1078, P1084 first perform trouble diagnosis for DTC P1078, P1084. Refer to DTC Description .

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)]