In order to decrease engine vibration and noise at engine stop ECM operates throttle flap solenoid valve to open and vacuum from alternator let the actuator operated to close the throttle flap for a moment.
Refer to P0405, P0406 DTC inspection procedures.
Check item | Check condition (Using Hi-scan(pro) | Engine condition | Standard value |
Throttle flap solenoid valve | Solenoid valve OFF → ON | Ignition switch : ON | Check the sound for proper operation |
Measure resistance between the terminals 1 and 2.
Check item | Specified value |
Throttle flap solenoid valve resistance | 14 ~ 17Ω |