DTC Detection Logic

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

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]