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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 82 (Hydraulic System (HEV)) >> Electric Oil Pump (EOP) >> Description and Operation >> Electric Oil Pump (EOP) Operation

Electric Oil Pump (EOP) Operation

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Starting & Creep driving (Low speed) Element Operation Description
G10588769Courtesy of HYUNDAI MOTOR AMERICA
HSG Stop
  • Vehicle moves by motor (EV mode)

EOP operates in order to supply hydraulic pressure for 1st gear in A/T at the time of vehicle starting
Motor Rotation
Engine Stop
E/Clutch Disengage
EOP Rotation
A/T 1st gear
Auto Stop Element Operation Description
G10588770Courtesy of HYUNDAI MOTOR AMERICA
HSG Stop
  • EOP operates to supply the hydraulic pressure (in order to be ready to vehicle starting)

You can hear the EOP operating sound
Motor Stop
Engine Stop
E/Clutch Disengage
EOP Rotation
A/T D range