On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

ADD AUTOMATIC TRANSMISSION FLUID

Fig 1: Automatic Transmission Fluid Stepping Flow Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. When adding a maximum amount of fluid: [*1]
  1. Lift up the vehicle.
  2. Remove the 2 volts and transmission case cover.
    
    Fig 2: Removing Volts And Transmission Case Cover
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Remove the refill plug and overflow plug.
    
    Fig 3: Removing Refill Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Add ATF to the refill hole until it drains out from the overflow hole.
    NOTE: Be sure to add ATF WS.
    
    Fig 4: Adding ATF To Refill Hole
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Install a new gasket and the overflow plug.
    Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
    
    Fig 5: Installing Gasket And Overflow Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Add proper amount of ATF to the refill hole.
    NOTE: Refill amount is different depending on the related procedures.
    
    Fig 6: Refill Amount Capacity Chart
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. Install a new O-ring and the refill plug.
    Torque: 39 N.m (400 kgf.cm, 53 ft.lbf)
  8. Lower down the vehicle.
    
    Fig 7: Installing O-Ring And Refill Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. Using SST, create a short-circuit between terminals TC and CG of the DLC3.
    SST 09843-18040
    
    NOTE: Create a short-circuit between terminals TC, OPA, and CG for a vehicle equipped with air suspension.
    
    Fig 8: Identifying DLC3 Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. Start the engine.
    NOTE:
    If the vehicle is equipped with a smart key, be sure to start the engine by inserting the key into the key cylinder.
    
    Turn the A/C off.
  11. Slowly move the shift lever from the P to the S position, shift the gear from 1st to 6th and then return the shift lever to the P position.
  12. Switch to the fluid temperature detection mode.
    - Move the shift lever from the N to the D position or from D to N within 1.5 seconds.
    - Perform the above procedure for 6 seconds or more.
    Standard:
    
    Meter indicator light "D" comes on for 2 seconds and then goes off.
  13. Disconnect terminal TC after confirming the above condition.
    NOTE: Do not disconnect terminal OPA on a vehicle with air suspension.
  14. Idle the engine to raise fluid temperature.
  15. Lift up the vehicle right after meter indicator light "D" comes on.
    NOTE:
    Add fluid only when the meter indicator light is on.
    
    Perform the procedure while the engine is idling.
    
    Fig 9: Identifying Meter Indicator Light Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. Remove the overflow plug. If ATF overflows, proceed to [*2].
    If ATF does not overflow, proceed to [*3].
    
    HINT:
    
    "Overflow" indicates the condition that ATF drains out from the overflow tube.
    
    Fig 10: Removing Overflow Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. When fluid overflows: [*2]
  NOTE: Capacity of the overflow tube is approximately 3 cc.
  1. Install a new gasket and the overflow plug when the draining ATF becomes a trickle.
    Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
    
    NOTE: Be careful when handing the drained ATF as its temperature is high.
  2. Install a new O-ring and tighten the refill plug.
    Torque: 39 N.m (400 kgf.cm, 53 ft.lbf)
    
    Fig 11: Installing O-Ring And Tightening Refill Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Install the transmission case cover with the 2 bolts.
    Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
  4. Lower down the vehicle.
  5. Turn the ignition switch off and remove the SST.
    
    Fig 12: Installing Transmission Case Cover With 2 Bolts
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. When fluid does not overflow: [*3]
  1. Remove the refill plug.
    
    Fig 13: Removing Refill Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Add ATF to the refill hole until it drains out from the overflow hole.
    
    Fig 14: Adding ATF To Refill Hole
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Install a new gasket and the overflow plug when the draining ATF becomes a trickle.
    Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
  4. Install a new O-ring and tighten the refill plug.
    Torque: 39 N.m (400 kgf.cm, 53 ft.lbf)
    
    Fig 15: Installing O-Ring And Tightening Refill Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Install the transmission case cover with the 2 bolts.
    Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
  6. Lower down the vehicle.
  7. Turn the ignition switch off and remove the SST.
    
    Fig 16: Installing Transmission Case Cover With 2 Bolts
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. When adding a minimum amount of fluid: [*4]
  1. Using SST, create a short-circuit between terminals TC and CG of the DLC3.
    SST 09843-18040
    
    NOTE: Create a short-circuit between terminals TC, OPA, and CG for a vehicle equipped with air suspension.
    
    Fig 17: Identifying DLC3 Terminals
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Start the engine.
    NOTE:
    If the vehicle is equipped with a smart key, be sure to start the engine by inserting the key into the key cylinder.
    
    Turn the A/C off.
  3. Slowly move the shift lever from the P to the S position, shift the gear from 1st to 6th and then return the shift lever to the P position.
  4. Switch to the fluid temperature detection mode.
    - Move the shift lever from the N to the D position or from D to N within 1.5 seconds.
    - Perform the above procedure for 6 seconds or more.
    Standard:
    
    Meter indicator light "D" comes on for 2 seconds and then goes off.
  5. Disconnect terminal TC after confirming the above condition.
    NOTE: Do not disconnect terminal OPA on a vehicle with air suspension.
  6. Idle the engine to raise fluid temperature.
  7. Life up the vehicle right after meter indicator light "D" comes on.
    NOTE:
    Add fluid only when the meter indicator light is on.
    
    Perform the procedure while the engine is idling.
    
    Fig 18: Identifying Meter Indicator Light Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. Remove the overflow plug. If ATF overflows, proceed to [*5]. If ATF does not overflow, proceed to [*6].
    HINT:
    
    "Overflow" indicates the condition that ATF drains out from the overflow tube.
    
    Fig 19: Removing Overflow Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. When fluid overflows: [*5]
  1. Install a new gasket and the overflow plug when the draining ATF becomes a trickle.
    Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
    
    NOTE: Be careful when handing the drained ATF as its temperature is high.
    
    Fig 20: Installing Gasket And Overflow Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Install the transmission case cover with the 2 bolts.
    Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
  3. Lower down the vehicle.
  4. Turn the ignition switch off and remove the SST.
    
    Fig 21: Installing Transmission Case Cover With 2 Bolts
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. When fluid does not overflow: [*6]
  1. Remove the refill plug.
    
    Fig 22: Removing Refill Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Add ATF to the refill hole until it drains out from the overflow hole.
    
    Fig 23: Adding ATF To Refill Hole
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Install a new gasket and the overflow plug when the draining ATF becomes a trickle.
    Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
  4. Install a new O-ring and tighten the refill plug.
    Torque: 39 N.m (400 kgf.cm, 53 ft.lbf)
    
    Fig 24: Installing Gasket And Overflow Plug
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Install the transmission case cover with the 2 bolts.
    Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
  6. Lower down the vehicle.
  7. Turn the ignition switch off and remove the SST.
    
    Fig 25: Installing Transmission Case Cover With 2 Bolts
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002