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?
  YES
  - Go to " 2 Check ETC motor resistance" as follows.
  NO
  - 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. 0.3 ~ 100Ω (20°C)
  
  Fig 1: Measuring Resistance Between ETC Motor Positive And Negative Terminals Of ETC Motor & TPS Connector
  Courtesy of HYUNDAI MOTOR AMERICA
3. Is the throttle valve normal?
  YES
  - Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
  NO
  - 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.