Transmission Wire: 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.
DRAIN AUTOMATIC TRANSMISSION FLUID
1. Remove the drain plug and gasket, and drain 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
NOTE: Some fluid will remain in the oil pan.
1. Remove the 20 bolts.
  
  Fig 1: Identifying Automatic Transmission Oil Pan Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Examine the particles in the pan.
  1. Remove the magnets and use them to collect steel particles. Carefully inspect the foreign matter and particles in the pan and on the magnets to anticipate the type of wear you will find in the transmission.
    Steel (magnetic): bearing, gear and clutch plate wear
    
    Brass (non-magnetic): bushing wear
    
    Fig 2: Removing Magnets And Collecting Steel Particles
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE VALVE BODY OIL STRAINER ASSEMBLY
1. Remove the 4 bolts and oil strainer.
  NOTE: Be careful as some fluid may leak out of the oil strainer.
  
  Fig 3: Locating Oil Strainer Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SEPARATE TRANSMISSION WIRE
1. Remove the 2 bolt and clamp.
2. Disconnect the ATF temperature sensor.
3. Disconnect the 7 connectors from the solenoid valves.
  
  Fig 4: Locating Transmission Wire Bolt And Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE TRANSMISSION WIRE
1. Disconnect the transmission wire connector.
2. Remove the bolt and pull out the transmission wire.
  
  Fig 5: Locating Transmission Wire Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002