Transmission Wire: Removal

REMOVE COWL TOP VENTILATOR LOUVER (See REMOVAL )
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
DRAIN AUTOMATIC TRANSMISSION FLUID
1. Remove the drain plug and gasket, and drain the ATF.
2. Install a new gasket and the drain plug.
  Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf)
REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY

Fig 1: Locating Oil Pan Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the 9 bolts, oil pan and gasket from the transmission.
  NOTE: Some fluid will remain in the oil pan. Remove all the pan bolts, and carefully remove the oil pan assembly.
2. Remove the 3 transmission oil cleaner magnets from the oil pan.
3. Examine the particles in the pan.
  
  Fig 2: Checking Chips And Particles In Pan
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Collect any steel chips with the removed magnets. Carefully look at the foreign objects and particles in the pan and on the magnets to guess the type of wear which might be found in the transmission.
    Steel (magnetic): bearing, gear and clutch plate wear
    
    Brass (non-magnetic): bush wear
REMOVE VALVE BODY OIL STRAINER ASSEMBLY
1. Remove the 4 bolts and oil strainer from the valve body.
  
  Fig 3: Locating Valve Body Oil Strainer Assembly Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the O-ring from the oil strainer.
  
  Fig 4: Identifying O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE TRANSMISSION VALVE BODY ASSEMBLY

Fig 5: Locating Solenoid Valves Connectors
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the bolt, lock plate and ATF temperature sensor.
2. Remove the O-ring from the ATF temperature sensor.
3. Disconnect the oil pressure switch connector.
4. Disconnect the 8 connectors from the solenoid valves.
5. Remove the bolt, detent spring cover and detent spring.
  
  Fig 6: Identifying Bolt, Detent Spring Cover And Detent Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Remove the 17 bolts and valve body.
  
  Fig 7: Locating Valve Body Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE: Do not drop the check ball body and spring.
7. Disconnect the lever pin from the manual valve.
8. Remove the check ball body and spring.
  
  Fig 8: Identifying Check Ball Body And Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE TRANSMISSION WIRE
1. Disconnect the 3 speed sensor connectors.
  
  Fig 9: Locating Speed Sensor Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the wire connector.
  
  Fig 10: Disconnecting Transmission Wire Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Detach the claw, press down the lever, and then disconnect the transmission wire connector.
3. Remove the bolt and pull out the transmission wire.
  
  Fig 11: Locating Transmission Wire Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the O-ring from the transmission wire connector.