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 lower No. 2 instrument panel airbag assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary battery terminal

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

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read Precaution thoroughly before servicing.

for Gasoline Model: Click here

for HV Model: Click here

NOTICE:

After turning the engine switch (for Gasoline Model) or power switch (for HV Model) off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here

2. REMOVE LUGGAGE TRIM SERVICE HOLE COVER (for HV Model)

Click here

3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

for Gasoline Model: Click here

for HV Model: Click here

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here

4. REMOVE FRONT DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

Click here

5. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here

6. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH

HINT:

Disconnect the front door opening trim weatherstrip RH to the extent that allows the removal of the instrument side panel RH.

7. REMOVE GLOVE COMPARTMENT PLATE

Click here

8. REMOVE INSTRUMENT SIDE PANEL RH

Click here

9. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here

10. REMOVE INSTRUMENT PANEL FINISH PANEL END LH

Click here

11. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY

CAUTION:

When storing the lower No. 2 instrument panel airbag assembly, keep the airbag deployment side facing upward.

Deployment Side

(a) Check that the engine switch (for Gasoline Model) or power switch (for HV Model) is off.

(b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Remove the 3 bolts.

(d) Disengage the 3 claws to separate the lower No. 2 instrument panel airbag assembly.

NOTICE:

When separating the lower No. 2 instrument panel airbag assembly, do not pull the airbag wire harness.

*a

Protective Tape

*b

Airbag Connector

*c

Airbag Connector Locking Button

Release in this Direction

(e) Using a screwdriver with its tip wrapped with protective tape, release the airbag connector locking button.

(f) Disconnect the airbag connector to remove the lower No. 2 instrument panel airbag assembly.

NOTICE:

When disconnecting any airbag connector, take care not to damage the airbag wire harness.

    On-vehicle Inspection

    Occupant Classification Ecu

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