DTC Detection Logic

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

P004B

TC/SC BOOST CONTROL B

(Turbocharger/supercharger boost control "B" circuit range/performance)

When engine is running and the RPM is steady, the electric wastegate actuator drive duty is 100% or more.

• Motor drive duty is 100% or more for 5 consecutive seconds
• The difference between target stroke and actual stroke is 1.95 mm (0.0768 in) or more for 5 consecutive seconds