Control Switch Valve & E/C valve

Switching the pressure of E/C and SA.

Fig 1: Control Switch Valve & E/C Valve

Courtesy of HYUNDAI MOTOR CO.

Fig 1: Control Switch Valve & E/C Valve

Courtesy of HYUNDAI MOTOR CO.

• The 2nd. pressure is supplied to SA through CSV.
• SCSV-C is OFF as well as 1st. gear.

• SCSV-C maintains OFF as well as 2nd gear.
• The E/C pressure from shift control valve is intercepted at the E/C valve during up-shifting from 2nd to 3rd gear.
• SA pressure is supplied from 1-2 shift valve, but the front clutch and SR pressure is also supplied from the 2-3/4-3 shift valve, so the both SR and SA pressure will be set off.
  Fig 1: Control Switch Valve & E/C Valve

  Courtesy of HYUNDAI MOTOR CO.

• SCSV-C is changed from OFF to ON.
• The E/C pressure is supplied from 1-2 shift valve at the CSV after finishing the up-shifting from 2nd to 3rd gear.
• SA pressure is supplied from shift control valve, but the front clutch and SR pressure is also supplied from the 2-3/4-3 shift valve, so the both SR and SA pressure will be set off.
  Fig 1: Control Switch Valve & E/C Valve

  Courtesy of HYUNDAI MOTOR CO.