Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

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 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

*: When performing learning using the Techstream.

Click here

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

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

Replacement of ECM

Perform Vehicle Identification Number (VIN) registration

MIL illuminates

Replacement of engine coolant temperature sensor

Inspection after repair

  • Poor idle, etc.
  • Engine start function, etc.

PROCEDURE

1. DRAIN ENGINE COOLANT (for Engine)

Click here

2. REMOVE COOL AIR INTAKE DUCT SEAL

Click here

3. REMOVE INLET AIR CLEANER ASSEMBLY

Click here

4. REMOVE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR

(a) Disconnect the No. 2 engine coolant temperature sensor connector.

(b) Remove the clip and No. 2 engine coolant temperature sensor from the radiator pipe.

NOTICE:

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

5. REMOVE CONVERTER WITH INVERTER ASSEMBLY

Click here

6. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

(a) Disconnect the engine coolant temperature sensor connector.

(b) Remove the clip and engine coolant temperature sensor from the water outlet.

NOTICE:

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

    Installation

    Engine Oil Temperature Sensor

    See More:

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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