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Home >> Infiniti >> 2014 >> Q60 Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P1235 (Convertible) >> DTC P1090, P1093: VVEL Actuator Motor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P1090 or P1093 is displayed with DTC P1091, first perform the trouble diagnosis for DTC P1091. Refer to "DTC LOGIC ".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1090 VVEL system performance (bank 1)
  • Event angle difference between the actual and the target is detected.
  • Abnormal current is sent to VVEL actuator motor.
  • Harness or connectors (VVEL actuator motor circuit is open or shorted.)
  • VVEL actuator motor
  • VVEL actuator sub assembly
  • VVEL ladder assembly
  • VVEL control module
P1093 VVEL system performance (bank 2)