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 curtain shield 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

Front passenger seat

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

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

Front passenger seat

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

HINT:

  • Use the same procedure for the RH side and LH side.
  • The following procedure is for the LH side.

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 ROOF HEADLINING ASSEMBLY

Click here

3. REMOVE CURTAIN SHIELD AIRBAG ASSEMBLY

CAUTION:

When storing the curtain shield airbag assembly, keep the airbag deployment side facing upward.

Deployment Side

NOTICE:

When removing the curtain shield airbag assembly, have assistants hold it to prevent it from bending.

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

*a

Airbag Connector

*b

Airbag Connector Locking Button

*c

Protective Tape

Release in this Direction

NOTICE:

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

(d) w/ Sliding Roof:

(1) Disengage the clamp.

*A

w/ Sliding Roof

-

-

*1

Pin

*2

Spacer

*a

Clip (A)

*b

Clip (B)

*c

Clip (C)

*d

Spacer Location

Remove in this Direction

-

-

(e) Using needle nose pliers, remove the 5 pins from the 4 clips (A) and clip (B).

NOTICE:

Do not damage the pins.

(f) Using 2 screwdrivers, disengage the 2 claws of each clip (A) and (B), and separate the 4 clips (A) and clip (B) from the vehicle body as shown in the illustration.

HINT:

Separate the 4 clips (A), clip (B) and curtain shield airbag assembly from the vehicle body as a unit.

(g) Disengage the 4 clips (C).

(h) While holding the curtain shield airbag assembly, remove the 4 bolts and curtain shield airbag assembly.

(i) Remove the 4 clips (A), clip (B) and the spacer from the curtain shield airbag assembly.

    On-vehicle Inspection

    Front Airbag Sensor

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