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Home >> Hyundai >> 2006 >> Tucson GLS, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System >> DTC Troubleshooting Procedure >> DTC P0736 Reverse Gear Incorrect Ratio >> Monitor SCANTOOL Data

Monitor SCANTOOL Data

  1. Connect scantool to data link connector (DLC).
  2. Engine "ON".
  3. Monitor the "ENGINE SPEED, INPUT SPEED SENSOR, OUTPUT SPEED SENSOR, GEAR POSITION" parameter on the scantool.
  4. Perform the "STALL TEST" with gear position "R".

    Specification: 2000~2700 engine RPM

    Fig 1: Scan Tool Display - Shift Position
    G04811305Courtesy of HYUNDAI MOTOR CO.

    OPERATING ELEMENT OF EACH SHIFTING RANGE 

    OPERATING ELEMENT OF EACH SHIFTING RANGE

      UD/C OD/C REV/C 2ND/B LR/B OWC
    P         •  
    R     •   •  
    N         •  
    D1 •       • ◦
    D2 •     •    
    D3 • •        
    D4   •   •    

    * Low & Reverse Brake is released When the Vehicle speed over the 5 MPH (7Km/h).

    Stall test procedure in Reverse and reason 

    Procedure

    1. Warm up the engine
    2. After positioning the select lever in "R" range, Depress the foot brake pedal fully after that, depress the accelerator pedal to the maximum

    * The slippage of REVERSE clutch and L/R brake can be detected by stall test in R range

    Reason for stall test

    1. If there is no mechanical defaults in A/T, every slippage occur in torque converter.
    2. Therefore, engine revolution is output, but input and output speed revolution must be "zero" due to wheel's lock.
    3. If REVERSE clutch and L/R brake system (reverse gear operating parts) has faults, input speed revolution will be out of specification.
    4. If output speed revolution is output. It means that the foot brake force is not applied fully. Remeasuring is required.
  5. Is "STALL TEST" within specification?

    YES  : --> Go to "SIGNAL CIRCUIT INSPECTION " procedure.

    NO  : --> Go to "COMPONENT INSPECTION " procedure.

    CAUTION:
    • Do not let anybody stand in front of or behind the vehicle while this test is being carried out.
    • Check the A/T fluid level and temperature and the engine coolant temperature.
      • Fluid level: At the hot mark on the oil level gauge.
      • Fluid temperature: 80~100 °C.
      • Engine coolant temperature: 80~100 °C.
    • Chock both rear wheel (left and right).
    • Pull the parking brake lever on with the brake pedal fully depressed.
    • The throttle should not be left fully open for more than eight second.
    • If carrying out the stall test two or more time, move the select lever to the "N" position and run the engine at 1,000 RPM to let the A/T fluid cool down before carrying out subsequent.
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