DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0078

EX V/T ACT/CIRC-B1

[Exhaust valve timing control solenoid valve (bank 1) circuit]

An improper voltage is sent to the ECM through exhaust valve timing control solenoid valve.

• Harness or connectors

  (Exhaust valve timing control solenoid valve circuit is open or shorted.)

• Exhaust valve timing control solenoid valve

P0084

EX V/T ACT/CIRC-B2

[Exhaust valve timing control solenoid valve (bank 2) circuit]