DTC Detection Logic

NOTE: If DTC P1087 or P1088 is displayed with DTC P1090 or P1093.

Perform the trouble diagnosis for DTC P1090 or P1093. Refer to DTC Description .

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1087

VVEL SYSTEM-B1

[VVEL small event angle malfunction (bank 1)]

The event angle of VVEL control shaft is always small.

Harness or connectors
(VVEL actuator motor assembly circuit is open or shorted.)
VVEL actuator motor assembly
VVEL actuator housing assembly
VVEL ladder assembly
VVEL control module

P1088

VVEL SYSTEM-B2

[VVEL small event angle malfunction (bank 2)]