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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1089, P1092: VVEL Control Shaft Position Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:

If DTC P1089 or P1092 is displayed with DTC P1608, first perform the trouble diagnosis for DTC P1608.

Refer to DTC LOGIC .

DTC No. Trouble diagnosis name
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P1089 VVEL POS SEN/CIRC-B1
[VVEL control shaft position sensor (bank 1) circuit]
  • An excessively low voltage from the sensor is sent to VVEL control module.
  • An excessively high voltage from the sensor is sent to VVEL control module.
  • Rationally incorrect voltage is sent to VVEL control module compared with the signals from VVEL control shaft position sensor 1 and VVEL control shaft position sensor 2.
  • Harness or connectors

    (VVEL control shaft position sensor circuit is open or shorted.)

  • VVEL control shaft position sensor
  • VVEL control module
P1092 VVEL POS SEN/CIRC-B2
[VVEL control shaft position sensor (bank 2) circuit]
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