LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> LS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Transmission Wire >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Transmission Wire: Replacement

CAUTION: When working with FIPG material, perform the following:
  1. DISCONNECT BATTERY NEGATIVE TERMINAL 
  2. DRAIN AUTOMATIC TRANSMISSION FLUID 
    1. Remove the drain plug, gasket and drain the ATF.
    2. Install a new gasket and the drain plug.
    1. Torque: 20 N.m (205 kgf.cm, 15 ft.lbf) 
  3. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSY 
    NOTE: Some fluid will remain in the oil pan.
    1. Remove the 20 bolts, oil pan and gasket.
      Fig 1: Removing 20 Bolts, Oil Pan And Gasket
      G02997397Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 magnets from the oil pan.
      Fig 2: Removing 3 Magnets From Oil Pan
      G02997398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Examine particles in pan.
      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 at the type of wear which might be found in the transmission. Steel (magnetic) hellip bearing, gear and clutch plate wear

        Brass (non-magnetic) hellip bushing wear

        Fig 3: Removing Magnets
        G02997399Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE VALVE BODY OIL STRAINER ASSY 
    1. Remove the 4 bolts and oil strainer.
      NOTE: Be careful as some fluid will come out of the oil strainer.
      Fig 4: Removing 4 Bolts And Oil Strainer
      G02997400Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the O-ring from the oil strainer.
    Fig 5: Removing O-Ring From Oil Strainer
    G02997401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. DISCONNECT TRANSMISSION WIRE 
    1. Remove the bolt and lock plate, and separate the ATF temperature sensor.
    2. Remove the 2 bolts and 2 clamps.
    3. Separate the 9 connectors from the solenoid valves.
    Fig 6: Removing Bolt And Lock Plate, And Separate ATF Temperature Sensor
    G02997402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE TRANSMISSION WIRE 
    1. Disconnect the transmission wire connector.
    2. Remove the bolt and pull out the transmission wire.
    Fig 7: Removing Bolt And Pulling Out Transmission Wire
    G02997403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL TRANSMISSION WIRE 
    1. Coat an O-ring of the transmission wire connector with ATF.
    2. Install the transmission wire with the bolt.
      1. Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf) 
    3. Connect the transmission wire connector.
    Fig 8: Installing Transmission Wire With Bolt
    G02997404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. CONNECT TRANSMISSION WIRE 
    1. Coat a new O-ring of the ATF temperature sensor with ATF.
    2. Connect the 9 connectors to the solenoid valves.
    3. Install the 2 clamps with the 2 bolts.
      1. Torque: 10 N.m (100 kgf.cm, 7 ft.lbf) 
    4. Install the ATF temperature sensor and lock plate with the bolt.
    1. Torque: 10 N.m (100 kgf.cm, 7 ft.lbf) 
    Fig 9: Installing ATF Temperature Sensor And Lock Plate With Bolt
    G02997405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL VALVE BODY OIL STRAINER ASSY 
    1. Coat a new O-ring with ATF.
    2. Install the O-ring.
      Fig 10: Installing O-Ring
      G02997406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the oil strainer with the 4 bolts.
    1. Torque: 10 N.m (100 kgf.cm, 7 ft.lbf) 
    Fig 11: Installing Oil Strainer With 4 Bolts
    G02997407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL AUTOMATIC TRANSMISSION OIL PAN SUB-ASSY 
    1. Install the 3 magnets in the oil pan.
      Fig 12: Installing 3 Magnets In Oil Pan
      G02997408Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a new gasket, install the oil pan with the 20 bolts to the transmission case.
    1. Torque: 4.4 N.m (44 kgf.cm, 39 in..lbf) 
    Fig 13: Installing Oil Pan With 20 Bolts To Transmission Case
    G02997409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. CONNECT BATTERY NEGATIVE TERMINAL 
  12. ADD AUTOMATIC TRANSMISSION FLUID (SEE  ADJUSTMENT   ) 
    1. Fluid type: ATF WS 
    2. Capacity: 4.3 liters (4.5 US qts, 3.8 Imp.qts) 
  13. RESET MEMORY (SEE  INITIALIZATION  ) 
  14. PERFORM INITIALIZATION (SEE  INITIALIZATION  )