FixVault

DTC Detection Logic

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P2578

TC/SC SPEED SENSOR A

(Turbocharger/Supercharger speed sensor "A" circuit)

Diagnosis condition

  • Engine speed: More than 1, 400 rpm
  • Boost pressure is applied enough

Signal (terminal)

Turbocharger speed sensor (bank 1) signal

Threshold

Sensor signal is not inputted

Diagnosis delay time

2 seconds