ENGINE COOLANT TEMPERATURE SENSOR REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during engine coolant temperature sensor or No. 2 engine coolant temperature sensor removal/installation are shown below.

Necessary Procedures 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-collision system
Initialize back door lock Power door lock control system

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

Replacement of engine coolant temperature sensor Inspection After Repair
  • Poor idle, etc.

  • Engine start function, etc.

Click here


    for SFI system

  • ECM

Perform Vehicle Identification Number (VIN) registration MIL comes on

Click here

*1: When performing learning using the GTS.
Click here Click here

PROCEDURE


  1. REMOVE NO. 1 ENGINE UNDER COVER

    Click here

  2. DRAIN ENGINE COOLANT (for Engine)

    Click here

  3. DISCONNECT ENGINE WIRE


    1. A005MUP

      Remove the bolt to disconnect the engine wire.

  4. REMOVE EGR PIPE ASSEMBLY

    Click here

  5. REMOVE ENGINE COOLANT TEMPERATURE SENSOR


    1. A005O76

      Disconnect the engine coolant temperature sensor connector.

    2. A005NMVC01
      *1 Gasket

      Using SST, remove the engine coolant temperature sensor from the water outlet.

      SST
      09817-33191

      Note

      If the engine coolant temperature sensor has been struck or dropped, replace it.

    3. Remove the gasket from the engine coolant temperature sensor.

  6. REMOVE INVERTER WITH CONVERTER ASSEMBLY

    Click here

  7. REMOVE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR


    1. A005NTZ

      Disconnect the No. 2 engine coolant temperature sensor connector.

    2. A005NEN

      Remove the clip and No. 2 engine coolant temperature sensor from the No. 2 water by-pass pipe.

      Note

      If the No. 2 engine coolant temperature sensor has been struck or dropped, replace it.