Component Inspection - Hyundai GENESIS COUPE BK 2010 Manual

Component Inspection

■ Check throttle valve for stuck
1. IG "OFF" and disconnect the air hose between throttle body and air mass flow sensor.
2. Check stuck on throttle valve..
3. Is the throttle valve normal?
▶ Go to "Check ETC motor resistance" as follows.
▶ Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.
■ Check ETC motor resistance
1. IG "OFF" and disconnect ETC Motor & TPS connector.
2. Measure the resistance between ETC motor(+) and (-) terminals of ETC Motor & TPS connector (component side).
Specification : Approx. 1.275 ~ 1.725Ω @ 23°C(73.4°F)
3. Is the throttle valve normal?
▶ Is the measured resistance within specification ?
▶ Substitute with a known - good ETC motor and check for proper operation. If the problem is
corrected, replace ETC motor and go to "Verification of Vehicle Repair" procedure.
※ Procedure of ETS Initialization
A. Erase the trouble codes on ECM
B. Turn the ignition key off and keep this condition until the main relay is turned off.(It will take 10sec.)
C. Turn ignition key on more than 1second to record the throttle motor position on the EEPROM
■ ETC motor actuation test
1. IG "OFF" and connect ETC Motor & TPS connector.
2. After IG "ON", execute the "ETC motor actuation test" by GDS.