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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Hybrid Transaxle System - Service Information (1 Of 2) >> Hybrid Transaxle Fluid >> On-Vehicle Inspection [11/2020 - ] >> Procedure

On-Vehicle Inspection [11/2020 - ]: Procedure

  1. REMOVE NO. 1 DIFFERENTIAL SUPPORT PROTECTOR 

    HINT: 

    Refer to PROCEDURE - Step 7

  2. REMOVE NO. 2 DIFFERENTIAL SUPPORT PROTECTOR 

    HINT: 

    Refer to PROCEDURE - Step 7

  3. REMOVE REAR SUSPENSION BRACE COVER 

    HINT: 

    Refer to PROCEDURE - Step 7

  4. INSPECT HYBRID TRANSAXLE FLUID 

    Pre-procedure1

    • Using a 10 mm hexagon socket wrench, remove the filler plug and gasket from the FCV with motor transaxle assembly.
      GTY978936Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 0 to 8 mm (0 to 0.315 in.)
    • Check that the hybrid transaxle fluid level is between 0 to 8 mm (0 to 0.315 in.) from the bottom lip of the filler plug opening.
      NOTE:
      • When inspecting the hybrid transaxle fluid, make sure that the vehicle is level.
      • Be sure to directly check that the hybrid transaxle fluid level is within the specified range.
      • Driving the vehicle with an insufficient or excessive amount of hybrid transaxle fluid may damage the FCV with motor transaxle assembly.
      • If the hybrid transaxle fluid was replaced or if hybrid transaxle fluid was added, make sure to recheck the hybrid transaxle fluid level after driving the vehicle.

    Post-procedure1

    • Check for leaks if the hybrid transaxle fluid level is low. (If there are no hybrid transaxle fluid leaks but the hybrid transaxle fluid level is low, add hybrid transaxle fluid.)

      HINT: 

      See step  5

    • Using a 10 mm hexagon socket wrench, install the filler plug and a new gasket to the FCV with motor transaxle assembly.

      Torque: 50 N.m (510 kgf/cm, 37 ft.lbf) 

  5. INSPECT FOR HYBRID TRANSAXLE FLUID LEAK 

    HINT: 

    Refer to PROCEDURE - Step 7

  6. INSTALL REAR SUSPENSION BRACE COVER 

    HINT: 

    Refer to PROCEDURE - Step 7

  7. INSTALL NO. 2 DIFFERENTIAL SUPPORT PROTECTOR 

    HINT: 

    Refer to PROCEDURE - Step 7

  8. INSTALL NO. 1 DIFFERENTIAL SUPPORT PROTECTOR 

    HINT: 

    Refer to PROCEDURE - Step 7