OIL COOLER REMOVAL

Info Added 2017-10-06

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during motor cooling cooler removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system*1
Pre-crash safety system
Initialize back door lock Power door lock control system

Click here

Replacement of ECM Perform Vehicle Identification Number (VIN) registration MIL comes on

Click here

Replacement of inverter with converter assembly Resolver learning

  • DTCs are stored

  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less

  • Shock or vibration during acceleration

Click here


CAUTION:


  • B0048QR

    Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.

    Click here

  • B0048QQ

    To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.

PROCEDURE


  1. REMOVE NO. 1 ENGINE UNDER COVER

    Click here

  2. REMOVE REAR ENGINE UNDER COVER LH

    Click here

  3. REMOVE INVERTER WITH CONVERTER ASSEMBLY

    Click here

  4. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

    Click here

  5. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

    Click here

  6. REMOVE AIR CLEANER CASE SUB-ASSEMBLY

    Click here

  7. DISCONNECT INLET HYBRID RADIATOR HOSE

    Click here

  8. DISCONNECT OUTLET NO. 1 HYBRID WATER PUMP HOSE

    Click here

  9. REMOVE MOTOR COOLING COOLER


    1. A001S32

      Slide the clip and disconnect the No. 1 motor cooling hose from the No. 1 motor cooling pipe.

    2. A001RPV

      Remove the union bolt and gasket to disconnect the No. 2 motor cooling pipe from the hybrid vehicle transaxle assembly.

    3. Remove the bolt and No. 1 oil cooler tube clamp from the hose bracket.

    4. A001RKJ

      Slide the clip and remove the No. 2 motor cooling pipe from the No. 2 motor cooling hose.

    5. A001Q5U

      Remove the 3 bolts and motor cooling cooler from the hybrid vehicle transaxle assembly.

      Note

      Make sure not to remove the No. 1 motor cooling hose and No. 2 motor cooling hose from the motor cooling cooler as the motor cooling cooler may be deformed.