DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

DTC

(Trouble diagnosis content)

Malfunction type

P0638

84

THROTTLE ACTUATOR B1

(Throttle actuator control range/performance bank 1)

SIG BELOW ALLOWABLE RANGE

The output for the throttle valve actuator (cylinder bank 1) has a malfunction. There is a signal below the permissible limit value.

85

SIG ABOVE ALLOWABLE RANGE

The output for the throttle valve actuator (cylinder bank 1) has a malfunction. There is a signal above the permissible limit value.