Toyota Avalon (XX50): Rear Airbag Sensor

Components

COMPONENTS

ILLUSTRATION

ILLUSTRATION

*A	for Gasoline Model	*B	for HV Model
*1	REAR CENTER SEAT OUTER BELT ASSEMBLY	*2	REAR DOOR OPENING TRIM WEATHERSTRIP
*3	REAR SEAT CUSHION ASSEMBLY	*4	REAR SEAT CUSHION LOCK HOOK
*5	REAR SIDE SEATBACK ASSEMBLY	*6	SIDE NO. 2 AIRBAG SENSOR
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)	●	Non-reusable part

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

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

PROCEDURE

1. INSTALL SIDE NO. 2 AIRBAG SENSOR

(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) Before connecting the connector, check that the position of the white housing lock is as shown in the illustration.

(d) Engage the claw and install the side No. 2 airbag sensor with the bolt.

Torque:

9.0 N·m {92 kgf·cm, 80 in·lbf}

NOTICE:

• If the side No. 2 airbag sensor has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
• When installing the side No. 2 airbag sensor, make sure that the wire harness does not interfere with other parts and is not pinched.
• Make sure that the side No. 2 airbag sensor claw is securely inserted into the body hole.

(e) Connect the connector to the side No. 2 airbag sensor.

*a	White Housing Lock	-	-
	Connect in this Direction	-	-

NOTICE:

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

HINT:

• Be sure to connect the connector until it is locked (when locking, make sure that a click sound can be heard).
• When the connector is locked, the white housing lock will slide. Do not hold the white housing lock or the part (A) as it may result in an insecure connection.

(f) Check that there is no looseness in the installed parts of the side No. 2 airbag sensor.

2. INSTALL REAR SIDE SEATBACK ASSEMBLY

Click here

3. CONNECT REAR DOOR OPENING TRIM WEATHERSTRIP

4. INSTALL REAR SEAT CUSHION LOCK HOOK

Click here

5. INSTALL REAR SEAT CUSHION ASSEMBLY

Click here

6. CONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY

Click here

7. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

for Gasoline Model: Click here

for HV Model: Click here

NOTICE:

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

Click here

8. INSTALL LUGGAGE TRIM SERVICE HOLE COVER (for HV Model)

Click here

9. PERFORM DIAGNOSTIC SYSTEM CHECK

for Gasoline Model: Click here

for HV Model: Click here

10. INSPECT SRS WARNING LIGHT

for Gasoline Model: Click here

for HV Model: Click here

On-vehicle Inspection

ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

CAUTION:

Be sure to correctly follow the removal and installation procedures for the side No. 2 airbag sensors.

PROCEDURE

1. INSPECT SIDE NO. 2 AIRBAG SENSOR (for Vehicle not Involved in Collision)

(a) Perform a diagnostic system check.

for Gasoline Model: Click here

for HV Model: Click here

2. INSPECT SIDE NO. 2 AIRBAG SENSOR (for Vehicle Involved in Collision and Airbag not Deployed)

(a) Perform a diagnostic system check.

for Gasoline Model: Click here

for HV Model: Click here

(b) Visually check the side No. 2 airbag sensors for defects if a quarter panel of the vehicle or the area around a quarter panel is damaged.

HINT:

The defects are as follows:

• Cracks in the sensor housing
• Dents in the sensor housing
• Chips in the sensor housing
• Cracks or other damage to the connector
• Damage to the serial number

OK:

No defects are found.

If any defects are found, replace the side No. 2 airbag sensor with a new one.

3. INSPECT SIDE NO. 2 AIRBAG SENSOR (for Vehicle Involved in Collision and Airbag is Deployed)

(a) When airbags have deployed as the result of a collision, be sure to replace all side No. 2 airbag sensors in the damaged areas (anywhere in need of repair).

(b) Visually check the side No. 2 airbag sensors in undamaged areas for defects.

HINT:

The defects are as follows:

• Cracks in the sensor housing
• Dents in the sensor housing
• Chips in the sensor housing
• Cracks or other damage to the connector
• Damage to the serial number

OK:

No defects are found.

If any defects are found or a side No. 2 airbag sensor has detected a major collision, replace the side No. 2 airbag sensor with a new one.

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 side No. 2 airbag sensor removal/installation are shown below.

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 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. DISCONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY

Click here

5. REMOVE REAR SEAT CUSHION ASSEMBLY

Click here

6. REMOVE REAR SEAT CUSHION LOCK HOOK

Click here

7. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP

HINT:

Disconnect the rear door opening trim weatherstrip to the extent that allows the removal of the rear side seatback assembly.

8. REMOVE REAR SIDE SEATBACK ASSEMBLY

Click here

9. REMOVE SIDE NO. 2 AIRBAG SENSOR

(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) Disconnect the connector from the side No. 2 airbag sensor.

NOTICE:

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

(1) Push down the white housing lock and slide the yellow CPA. (At this time, the connector cannot be disconnected yet.)

*a	White Housing Lock	*b	Yellow CPA
	Push in this Direction		Slide in this Direction

(2) Push down the white housing lock again and disconnect the connector.

NOTICE:

Do not push down the part (A) shown in the illustration when disconnecting the connector.

(d) Remove the bolt and disengage the claw to remove the side No. 2 airbag sensor.

(e) Check that the position of the white housing lock is as shown in the illustration.