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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 65 (Automatic Transaxle System Diagnosis (HEV)) >> DTC P0734: Gear 4 Incorrect Ratio >> Component Inspection

Component Inspection

WARNING: This page is about a different variant/trim than selected.
Fig 1: Locating UD/C, OD/C, RED1 And RED2 Ports
G10603515Courtesy of HYUNDAI MOTOR AMERICA
  1. Connect oil pressure gage at "UD brake" port and "OD Clutch" port.
  2. Engine ON.
  3. Driving with 4th speed of gear at sports mode.
  4. Check by below specific table.

    Specification:  See below specific table

    Shift lever position RPM Solenoid current (mA) ON/OFF Solenoid Pressure (kgf/cm2 )
    UD/B OD/C 26-B 35R/C LP ENG-C SS-A SS-B UD/C OD/C 26/B 35R/C LR/B RED1 RED2 ENG/C
    D1 2500 0 852 0 852 0 852 OFF OFF 16.3±0.5 - 0.1 Under - - 5±0.3 5.5±0.3 16.3±0.5
    ↑ ↑ 700 ↑ ↑ ↑ ↑ ↑ ↑ ↑ 0.6~1.4 - - - - - - -
    ↑ ↑ 600 ↑ ↑ ↑ ↑ ↑ ↑ ↑ 2.6~3.2 - - - - - - -
    ↑ ↑ 500 ↑ ↑ ↑ ↑ ↑ ↑ ↑ 4.6~5.4 - - - - - - -
    ↑ EOP1300 0 852 0 852 0 352 ↑ ↑ - - - - - - - 1.0~1.8
    ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ - - - - - - - 2.4~3.0
    D2 2500 0 852 852 852 0 852 OFF OFF 15~17.5 - 16.3±0.5 0.03~0.4 - 5±0.3 5.5±0.3 15~17.5
    ↑ ↑ ↑ ↑ 352 ↑ ↑ ↑ ↑ ↑ - - 0.96~1.7 - - - - -
    ↑ ↑ ↑ ↑ 452 ↑ ↑ ↑ ↑ ↑ - - 2.7~3.3 - - - - -
    ↑ ↑ ↑ ↑ 552 ↑ ↑ ↑ ↑ ↑ - - 4.6~5.6 - - - - -
    D3 ↑ 0 852 0 0 0 852 OFF OFF 15~17.5 0.03~0.4 - 16.3±0.5 0.03~0.4 5±0.3 5.5±0.3 15~17.5
    ↑ ↑ ↑ ↑ ↑ 700 ↑ ↑ ↑ ↑ - - - 0.4~1.2 - - - -
    ↑ ↑ ↑ ↑ ↑ 600 ↑ ↑ ↑ ↑ - - - 2.4~3.0 - - - -
    ↑ ↑ ↑ ↑ ↑ 500 ↑ ↑ ↑ ↑ - - - 4.3~5.1 - - - -
    D4 ↑ 0 0 0 852 0 852 OFF OFF 15~17.5 15~17.5 - - - 5±0.3 5.5±0.3 15~17.5
    ↑ ↑ ↑ 700 ↑ ↑ ↑ ↑ ↑ ↑ - 0.6~1.4 - - - - - -
    ↑ ↑ ↑ 652 ↑ ↑ ↑ ↑ ↑ ↑ - 2.1~2.7 - - - - - -
    D5 ↑ 852 0 0 0 0 852 OFF ON 0.03~0.4 16.3±0.5 - 15~17.5 - 5±0.3 5.5±0.3 15~17.5
    D6 ↑ 852 0 852 852 0 852 OFF OFF - 15~17.5 15~17.5 - - 5±0.3 5.5±0.3 15~17.5
    ↑ ↑ ↑ ↑ ↑ ↑ 400 ↑ ↑ ↑ - 12.5~13.5 - - - - - -
    ↑ ↑ ↑ ↑ ↑ ↑ 852 ↑ ↑ ↑ - 3.9~5.1 - - - - - -
    L ↑ 0 0 0 852 0 852 ON OFF 15~17.5 - - - 16.3±0.5 - - -
    ↑ 600 ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Above 3.9 - - - Above 3.9 5±0.3 5.5±0.3 Above 3.9
    ↑ EOP1100 ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑ Above 4.7 - - - Above 4.7 5±0.3 5.5±0.3 Above 4.7
    N ↑ 852 0 0 852 0 852 ON OFF - - - - Above 6.0 5±0.3 5.5±0.3 Above 6.0
    R 2500 852 852 0 0 0 852 OFF ON - - - 15~17.5 15~17.5 5±0.3 5.5±0.3 -
  5. Is measured oil pressure value within specific?

    YES 

    NO