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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 43 (Automatic Transmission System (UA80E) - Service Information (1 Of 2)) >> Transmission Wire >> Removal [12/2019 - 10/2022] >> Procedure

Removal [12/2019 - 10/2022]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. REMOVE FRONT ENGINE MOUNTING INSULATOR 

    Refer to REMOVAL [12/2019 - 10/2022]

  2. REMOVE FRONT FENDER APRON SEAL LH 

    Refer to PROCEDURE - Step 15 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 15 [09/2020 - 10/2022]

  3. DRAIN AUTOMATIC TRANSAXLE FLUID 
    1. Remove the refill plug and gasket from the automatic transaxle case sub-assembly.
      GTY891100Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a 10 mm hexagon socket wrench, remove the overflow plug and gasket from the transaxle housing.
      GTY891101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the transaxle housing and drain the automatic transaxle fluid.
      GTY931539Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Transmission Oil Filler Tube
    4. Using a 6 mm hexagon socket wrench, install the No. 1 transmission oil filler tube to the transaxle housing.

      Torque: 1.7 N.m (17 kgf/cm, 15 in.lbf) 

    5. Using a 10 mm hexagon socket wrench, temporarily install the gasket and overflow plug to the transaxle housing.

      HINT: 

      Reuse the old gasket as the overflow plug will be removed again to adjust the automatic transaxle fluid level.

    6. Temporarily install the gasket and refill plug to avoid automatic transaxle fluid spillage.

      HINT: 

      Reuse the old gasket as the refill plug will be removed again to adjust the automatic transaxle fluid level.

  4. DISCONNECT OUTLET NO. 1 OIL COOLER HOSE 
    1. Slide the clip and disconnect the outlet No. 1 oil cooler hose from the oil cooler union sub-assembly.
      GTY917248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE OIL COOLER UNION SUB-ASSEMBLY 
    1. Remove the bolt, oil cooler union bolt, 2 gaskets and oil cooler union sub-assembly from the automatic transaxle case sub-assembly.
      GTY907261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Oil Cooler Union Bolt
      *2 Gasket
  6. REMOVE TRANSMISSION CASE SIDE COVER 
    1. Remove the 10 bolts and transmission case side cover from the automatic transaxle case sub-assembly.
      GTY891086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE TRANSMISSION WIRE (w/o Stop And Start System) 
    1. Disengage the clamp to disconnect the transmission wire from the solenoid lock plate.
      GTY740207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Connector (A)
      *b Connector (B)
    2. Disconnect the 9 solenoid valve connectors.

      HINT: 

      • Using a screwdriver, disconnect the solenoid valve connector (A) using the procedure shown in the illustration.
      • Using a screwdriver, disconnect the solenoid valve connector (B) using the procedure shown in the illustration.
    3. Remove the bolt and temperature sensor clamp and separate the temperature sensor from the transmission valve body assembly.
      GTY732594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the transmission revolution sensor (NT) connector and transmission revolution sensor (NC) connector.
      GTY717997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the bolt and transmission wire from the automatic transaxle case sub-assembly.
      GTY694193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE TRANSMISSION WIRE (w/ Stop And Start System) 
    1. Disengage the clamp to disconnect the transmission wire from the solenoid lock plate.
      GTY703168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Connector (A)
      *b Connector (B)
    2. Disconnect the 9 solenoid valve connectors.

      HINT: 

      • Using a screwdriver, disconnect the solenoid valve connector (A) using the procedure shown in the illustration.
      • Using a screwdriver, disconnect the solenoid valve connector (B) using the procedure shown in the illustration.
    3. Disengage the wire harness clamp to disconnect the transmission wire (oil pump with solenoid assembly).
      GTY718010Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the transmission wire connector.
      GTY718000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disengage the clamp to disconnect the transmission wire (oil pump with solenoid assembly) from the solenoid lock plate.
      GTY718002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the bolt and temperature sensor clamp and separate the temperature sensor from the transmission valve body assembly.
      GTY732594Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Disconnect the transmission revolution sensor (NT) connector and transmission revolution sensor (NC) connector.
      GTY717997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the bolt and transmission wire from the automatic transmission case sub-assembly.
      GTY694193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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