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 camshaft timing oil control solenoid 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

Gas leak from exhaust system is repaired

Inspection after repair

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

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
  • Large shift shock
  • Deterioration of fuel efficiency

for Initialization

for Registration

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 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 V-BANK COVER SUB-ASSEMBLY

Click here

2. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)

(a) Disconnect the camshaft timing oil control solenoid assembly connector.

(b) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the timing chain cover assembly.

NOTICE:

If the camshaft timing oil control solenoid assembly has been struck or dropped, replace it.

(c) Remove the O-ring from the camshaft timing oil control solenoid assembly.

NOTICE:

  • If the O-ring comes off in the timing chain cover assembly, make sure to remove it.
  • Do not drop the O-ring into the timing chain cover assembly.

3. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)

(a) Disconnect the camshaft timing oil control solenoid assembly connector.

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

(c) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the timing chain cover assembly.

NOTICE:

If the camshaft timing oil control solenoid assembly has been struck or dropped, replace it.

(d) Remove the O-ring from the camshaft timing oil control solenoid assembly.

NOTICE:

  • If the O-ring comes off in the timing chain cover assembly, make sure to remove it.
  • Do not drop the O-ring into the timing chain cover assembly.

4. REMOVE FRONT FENDER APRON SEAL RH

Click here

5. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)

(a) Disconnect the camshaft timing oil control solenoid assembly connector.

(b) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the timing chain cover assembly.

NOTICE:

If the camshaft timing oil control solenoid assembly has been struck or dropped, replace it.

(c) Remove the O-ring from the camshaft timing oil control solenoid assembly.

NOTICE:

  • If the O-ring comes off in the timing chain cover assembly, make sure to remove it.
  • Do not drop the O-ring into the timing chain cover assembly.

6. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

Click here

7. REMOVE CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)

(a) Disconnect the camshaft timing oil control solenoid assembly connector.

(b) Remove the 2 bolts and camshaft timing oil control solenoid assembly from the timing chain cover assembly.

NOTICE:

If the camshaft timing oil control solenoid assembly has been struck or dropped, replace it.

(c) Remove the O-ring from the camshaft timing oil control solenoid assembly.

NOTICE:

  • If the O-ring comes off in the timing chain cover assembly, make sure to remove it.
  • Do not drop the O-ring into the timing chain cover assembly.
    On-vehicle Inspection

    Camshaft Oil Control Valve(for Exhaust Side Of Bank 1)

    See More:

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