Toyota Avalon 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 water inlet with thermostat sub-assembly 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

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*1

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

ECU communication ID registration (Immobiliser system)

Engine start function

  • Replacement of engine assembly
  • Gas leak from exhaust system is repaired

Inspection after repair

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

Replacement of automatic transaxle assembly

  • Perform reset memory
  • Input transaxle compensation code into ECM
  • Perform road test to allow ECM to learn
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization

for Registration

Replacement of ECM

(If transaxle compensation code read from ECM)

  • Perform reset memory*2
  • Transfer transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of ECM

(If transaxle compensation code not read from ECM)

  • Perform reset memory*2
  • Reset transaxle compensation code
  • Perform road test to allow ECM to learn

Replacement of automatic transaxle fluid

ATF thermal degradation estimate reset

The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly

Replacement of ECM

Code registration (Smart Key System (for Start Function))

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

Suspension, tires, etc.

  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

Rear television camera assembly optical axis adjustment (Back camera position setting)

Parking Assist Monitor System

for Initialization

for Calibration

  • Parking assist ECU initialization
  • Adjust steering angle
  • Television camera assembly optical axis adjustment (Back camera position setting)

Panoramic View Monitor System

for Initialization

for Calibration

Perform headlight ECU sub-assembly LH initialization

Lighting system (for Gasoline Model with Cornering Light)

Front wheel alignment adjustment

Perform system variant learning and acceleration sensor zero point calibration.

  • VSC is disabled or malfunctions
  • DTCs are output
  • Slip indicator light illuminates
  • ABS warning light illuminates

  • *1: When performing learning using the Techstream.

    Click here

  • *2: Not necessary when ECM replaced with new one.

PROCEDURE

1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

Click here

2. REMOVE NO. 2 ENGINE MOUNTING STAY RH

(a) Remove the bolt and disconnect the wire harness clamp from the wire harness clamp bracket.

(b) Remove the bolt and separate the wire harness clamp bracket from the No. 2 engine mounting stay RH.

(c) Remove the bolt and No. 2 engine mounting stay RH from the intake manifold and front No. 1 engine mounting bracket LH.

3. DISCONNECT ENGINE WIRE

(a) Disconnect the water inlet with thermostat sub-assembly connector.

(b) Remove the bolt.

(c) Disengage the clamp to disconnect the engine wire.

4. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET LH

Click here

5. DISCONNECT WATER BY-PASS HOSE

(a) Slide the clip and disconnect the water by-pass hose.

6. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

(a) Remove the 2 bolts, 2 nuts and water inlet with thermostat sub-assembly.

(b) Remove the gasket from the water inlet with thermostat sub-assembly.

    Installation

    Water Pump

    See More:

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