AUTOMATIC TRANSMISSION FLUID ADJUSTMENT

PROCEDURE


  1. BEFORE FILLING TRANSMISSION


    • The AE80F automatic transmission assembly requires Toyota Genuine ATF WS.

    • If the entire automatic transmission assembly, automatic transmission oil pan sub-assembly, transmission oil pan tube (drain plug), transmission valve body assembly and/or torque converter assembly have/has been replaced, proceed to the Fill Transmission procedure.

    • If the transfer adapter oil seal has been replaced and/or an automatic transmission fluid leak has been replaced, proceed to the Adjust Fluid Temperature procedure.

  2. REMOVE NO. 2 ENGINE UNDER COVER

    Click here

  3. REMOVE OIL PAN PROTECTOR ASSEMBLY

    Click here

  4. REMOVE TRANSMISSION CASE COVER (w/ Cover)

    Click here

  5. FILL TRANSMISSION PAN WITH FLUID


    1. Lift the vehicle.

      Note

      Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°).

    2. A01WSW0

      Remove the refill plug and O-ring from the automatic transmission assembly.

    3. B00191O

      Using a 5 mm hexagon socket wrench, remove the overflow plug and gasket from the automatic transmission assembly.

    4. B00192TE06
      Text in Illustration
      *a Refill Hole
      *b Overflow Hole

      Add automatic transmission fluid to the refill hole until it flows out of the overflow hole.

      Note


      • Use Toyota Genuine ATF WS.

      • Be sure to add automatic transmission fluid slowly. If automatic transmission fluid is added quickly, the automatic transmission fluid may hit internal parts and bounce back, resulting in automatic transmission fluid coming out of the refill hole.

    5. A01WPJC

      Wait until the automatic transmission fluid flow slows and only drips come out.

    6. B00191O

      Using a 5 mm hexagon socket wrench, temporarily install the overflow plug and gasket to the automatic transmission assembly.

      Tech Tips

      Reuse the old gasket as the overflow plug will be removed again.

  6. FILL TRANSMISSION


    1. A01WRM8

      Fill the automatic transmission assembly with the correct amount of automatic transmission fluid as listed in the table below.

      Standard Capacity
      Performed Repair Fill Amount
      Removal and installation of the automatic transmission oil pan sub-assembly 2.7 liters (2.9 US qts, 2.4 Imp. qts)
      Removal and installation of the transmission valve body assembly 3.6 liters (3.8 US qts, 3.2 Imp. qts)

      Removal and installation of the torque converter assembly

      (Including the oil drain)

      		 5.3 liters (5.6 US qts, 4.7 Imp. qts)

      Tech Tips

      If the specified amount of automatic transmission fluid cannot be added, perform the following:


      1. A01WSW0

        Temporarily install the O-ring and refill plug to the automatic transmission assembly.

        Tech Tips

        Reuse the old O-ring as the refill plug will be removed again.

      2. Lower the vehicle.

      3. Depress and hold the brake pedal.

      4. Start the engine.

        Note

        To reduce load, make sure that all electrical systems, such as the air conditioning, lighting system, electric fan and audio system, are off.

      5. Slowly move the shift lever from P to D, then move the shift lever to P.

        Tech Tips

        Keep the shift lever in each position for approximately 3 seconds.

      6. Allow the engine to idle for 30 seconds to warm it up.

      7. Turn the engine switch off.

      8. Remove the refill plug and O-ring from the automatic transmission assembly.

      9. Fill the automatic transmission assembly with the correct amount of automatic transmission fluid as listed in the table above.

      10. Temporarily install the O-ring and refill plug to the automatic transmission assembly.

        Tech Tips

        Reuse the old O-ring as the refill plug will be removed again.

  7. ADJUST FLUID TEMPERATURE

    Note

    The automatic transmission fluid temperature can be confirmed by checking the D shift indicator on the combination meter or using the GTS. When not using the GTS, it is necessary to enter automatic transmission fluid temperature detection mode.


    1. When using the GTS:

      Tech Tips

      The actual ATF temperature can be checked on the Data List using the GTS.


      1. Connect the GTS to the DLC3 with the engine switch off.

      2. Turn the engine switch on (IG) and turn the GTS on.

        Note

        To reduce load, make sure that all electrical systems, such as the air conditioning, lighting system, electric fan and audio system are off.

      3. Enter the following item: Powertrain / ECT / Active Test / Connect the TC and TE1.

      4. Select the Active Test item: Connect the TC and TE1 / ON.

      5. Select the Data List item: A/T Oil Temperature 1.

      6. Check the ATF temperature.

        Note


        • If the automatic transmission fluid temperature is below 46°C (115°F), proceed to the next step. (Recommended ATF temperature: 39°C (102°F) or less)

        • If the automatic transmission fluid temperature is 46°C (115°F) or more, turn the engine switch off and wait until the automatic transmission fluid temperature drops below 39°C (102°F).

      7. Depress and hold the brake pedal.

      8. Start the engine.

        Note

        To reduce load, make sure that all electrical systems, such as the air conditioning, lighting system, electric fan and audio system, are off.

      9. Slowly move the shift lever from P to D, then move the shift lever to P.

        Tech Tips

        Keep the shift lever in each position for approximately 3 seconds.

      10. While observing the D shift indicator on the combination meter, move the shift lever back and forth between N and D at an interval of less than 1.5 seconds for 6 seconds or more.

        Note

        Do not pause for more than 1.5 seconds.

        Tech Tips

        Performing this operation will cause the vehicle to enter automatic transmission fluid temperature detection mode.

      11. A01WPYL

        Check that the D shift indicator turns off for 2 seconds.

        Tech Tips


        • When automatic transmission fluid temperature detection mode is activated, the D shift indicator on the combination meter will turn off for 2 seconds.

        • If the D shift indicator on the combination meter does not turn off for 2 seconds, return to the first step and perform the procedure again.

      12. Move the shift lever from N to P.

      13. Release the brake pedal.

      14. Select the Active Test item: Connect the TC and TE1 / OFF.

        Note

        Make sure that terminals TC and TE1 are not connected. If the terminals are connected, the automatic transmission fluid level cannot be precisely adjusted due to fluctuations in engine speed.

        Tech Tips


        • Disconnecting terminals TC and TE1 activates engine idle speed control mode.

        • Even after terminals TC and TE1 are disconnected, automatic transmission fluid temperature detection mode will be active until the engine switch is turned off.

    2. When not using the GTS:


      1. A01WVUME29
        Text in Illustration
        *a Front View of DLC3

        Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3 with the engine switch off.

        SST
        09843-18040

      2. Depress and hold the brake pedal.

      3. Start the engine.

        Note

        To reduce load, make sure that all electrical systems, such as the air conditioning, lighting system, electric fan and audio system, are off.

        Tech Tips

        The indicator lights on the combination meter blink to indicate DTCs when terminals TC and CG are connected.

      4. Slowly move the shift lever from P to D, then move the shift lever to P.

        Tech Tips

        Keep the shift lever in each position for approximately 3 seconds.

      5. While observing the D shift indicator on the combination meter, move the shift lever back and forth between N and D at an interval of less than 1.5 seconds for 6 seconds or more.

        Note

        Do not pause for more than 1.5 seconds.

        Tech Tips

        Performing this operation will cause the vehicle to enter automatic transmission fluid temperature detection mode.

      6. A01WPYL

        Check that the D shift indicator turns off for 2 seconds.

        Tech Tips


        • When automatic transmission fluid temperature detection mode is activated, the D shift indicator on the combination meter will turn off for 2 seconds.

        • If the D shift indicator on the combination meter does not turn off for 2 seconds, return to the first step and perform the procedure again.

      7. Move the shift lever from N to P.

      8. Release the brake pedal.

      9. A01WVUME29
        Text in Illustration
        *a Front View of DLC3

        Remove SST from terminals 13 (TC) and 4 (CG).

        SST
        09843-18040

        Note

        Be sure that terminals TC and CG are not connected. If the terminals are connected, the automatic transmission fluid level cannot be precisely adjusted due to fluctuations in engine speed.

        Tech Tips


        • Disconnecting terminals TC and CG activates the engine idle speed control mode.

        • Even after terminals TC and CG are disconnected, automatic transmission fluid temperature detection mode will be active until the engine switch is turned off.

    3. Allow the engine to idle until the automatic transmission fluid temperature reaches 35 to 45°C (95 to 113°F).

    4. The D shift indicator will come on again when the automatic transmission fluid temperature reaches 35°C (95°F) and will blink when it exceeds 45°C (113°F).

      Tech Tips

      Adjust the automatic transmission fluid level when the D shift position indicator is illuminated.


      1. If the D shift position indicator is not illuminated, idle the engine to warm it up until the D shift position indicator illuminates.

      2. If the D shift position indicator is illuminated, immediately begin to adjust the automatic transmission fluid level.

      3. If the D shift position indicator is blinking, stop the engine to cool the automatic transmission fluid. Once the automatic transmission fluid temperature drops to the appropriate level, perform the automatic transmission fluid level adjustment procedure again.

      D Shift Indicator

      Below Automatic Transmission Fluid Level Adjustment Temperature

      (39°C or less)

      (102°F or less)

      Automatic Transmission Fluid Level Adjustment Temperature

      (39 to 46°C)

      (102 to 115°F)

      Above Automatic Transmission Fluid Level Adjustment Temperature

      (46°C or more)

      (115°F or more)
      OFF ON Blinks

  8. CHECK FLUID LEVEL

    CAUTION:

    Use caution while the engine is idling and the radiator fan is operating.


    1. Lift the vehicle.

      Note

      Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°).

    2. B00191O

      Using a 5 mm hexagon socket wrench, remove the overflow plug and gasket from the automatic transmission assembly.

      CAUTION:

      Be careful as the automatic transmission fluid coming out of the overflow hole is hot.

    3. Check the amount of automatic transmission fluid that comes out of the overflow hole.


      • If the amount of automatic transmission fluid that comes out of the overflow hole is large, proceed to step [*1].

      • If no automatic transmission fluid comes out of the overflow hole, proceed to step [*2].

      Note

      If only a small amount of automatic transmission fluid (approximately 5 cc) comes out of the overflow hole, then only automatic transmission fluid remaining in the transmission oil pan tube has come out. This is not considered to be overflow.

    4. A01WPJC

      If the amount of automatic transmission fluid that comes out of the overflow hole is large, wait until the automatic transmission fluid flow slows and only drips come out. [*1]

      Tech Tips

      The automatic transmission fluid flow will not stop completely because the automatic transmission fluid continues to expand as its temperature increases.

    5. B00192TE06
      Text in Illustration
      *a Refill Hole
      *b Overflow Hole

      If no automatic transmission fluid comes out of the overflow hole, remove the refill plug and O-ring. Then add automatic transmission fluid to the refill hole until it flows out of the overflow hole. Wait until the automatic transmission fluid flow slows and only drips come out. [*2]

      Note


      • Use Toyota Genuine ATF WS.

      • Be sure to add automatic transmission fluid slowly. If automatic transmission fluid is added quickly, the automatic transmission fluid may hit internal parts and bounce back, resulting in automatic transmission fluid coming out of the refill hole.

    6. A01WPJC

      Wait until the automatic transmission fluid flow slows and only drips come out.

      Tech Tips

      The automatic transmission fluid flow will not stop completely because the automatic transmission fluid continues to expand as its temperature increases.

    7. Using a 5 mm hexagon socket wrench, install a new gasket and the overflow plug to the automatic transmission assembly.

      Torque:
      16 N*m  { 163 kgf*cm, 12 ft.*lbf }

    8. Install a new O-ring and the refill plug to the automatic transmission assembly.

      Torque:
      39 N*m  { 400 kgf*cm, 29 ft.*lbf }

    9. Lower the vehicle.

    10. Turn the engine switch off.

      Tech Tips

      Turning the engine switch off exits automatic transmission fluid temperature detection mode.

    11. Disconnect the GTS from the DLC3 (when using the GTS).

  9. INSTALL TRANSMISSION CASE COVER (w/ Cover)

    Click here

  10. INSTALL OIL PAN PROTECTOR ASSEMBLY

    Click here

  11. INSTALL NO. 2 ENGINE UNDER COVER

    Click here

  12. AFTER FILLING TRANSMISSION


    1. Lift the vehicle.

    2. Clean each part.

    3. Check for automatic transmission fluid leaks.

    4. Lower the vehicle.

  13. ATF THERMAL DEGRADATION ESTIMATE RESET

    Tech Tips

    Approximately 50% or more of the ATF has been replaced during a repair of the transmission or a similar operation Click here