DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0078

00

EX V/T ACT/CIRC-B1

(Exhaust valve control solenoid circuit bank 1)

Diagnosis condition

Engine running at idle

Signal (terminal)

Exhaust valve timing control solenoid valve signal

Threshold

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

Diagnosis delay time

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