Toyota Prius: Side Airbag Sensor (for Center Pillar)

Toyota Prius (XW60) 2023-2025 Service Manual / Vehicle Interior / Supplemental Restraint Systems / Side Airbag Sensor (for Center Pillar)

Removal
Installation

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 floor side airbag sensor removal/installation are shown below.

CAUTION / NOTICE / HINT

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when Toyota Prius vehicle is driven

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Front Camera System	Drive the Toyota Prius vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.

Learning completes when vehicle is operated normally

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
1: w/o Power Back Door System 2: w/ Power Back Door System
Power Door Lock Control System*1 Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
Power Back Door System*2	Reset back door close position
Air Conditioning System	for HEV Model: After the ignition switch is turned to ON, the servo motor standard position is recognized. for PHEV Model: After the ignition switch is turned to ON, the servo motor and expansion valve standard position is recognized.	-

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

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	PRECAUTION	-		-	-
2	DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL	-		-	-
3	FRONT DOOR SCUFF PLATE	67914	-	-	-
4	FRONT DOOR OPENING TRIM WEATHERSTRIP	62312B	-	-	-
5	REAR DOOR SCUFF PLATE INSIDE	67918F	-	-	-
6	REAR DOOR OPENING TRIM WEATHERSTRIP	62332A	-	-	-
7	CENTER PILLAR LOWER GARNISH	62414A	-	-	-
8	FRONT SEAT OUTER BELT ASSEMBLY	73220		-	-
9	FLOOR SIDE AIRBAG SENSOR	89831E		-	-

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read Precaution thoroughly before servicing.

Click here

NOTICE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

Click here

2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

for M20A-FXS:
Click here
for 2ZR-FXE:
Click here

3. REMOVE FRONT DOOR SCUFF PLATE

Click here

4. SEPARATE FRONT DOOR OPENING TRIM WEATHERSTRIP

5. REMOVE REAR DOOR SCUFF PLATE INSIDE

Click here

6. SEPARATE REAR DOOR OPENING TRIM WEATHERSTRIP

7. REMOVE CENTER PILLAR LOWER GARNISH

Click here

8. DISCONNECT FRONT SEAT OUTER BELT ASSEMBLY

(1) Using a screwdriver with its tip wrapped with protective tape, pull out the locking button as shown in the illustration to release the lock and disconnect the pretensioner connector.

(2) Remove the 2 bolts.

(3) Disengage the 2 guides to disconnect the front seat outer belt assembly.

9. REMOVE FLOOR SIDE AIRBAG SENSOR

Illumination off

(1) Check that the ignition switch is off.

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

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(1) Disconnect the connector from the floor side airbag sensor.

NOTICE:

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

HINT:

Refer to How to Connect or Disconnect Airbag Connector.

Click here

(2) Remove the nut and disengage the claw to remove the floor side airbag sensor.

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.

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	FLOOR SIDE AIRBAG SENSOR	89831E		-	-
2	FRONT SEAT OUTER BELT ASSEMBLY	73220		-	-
3	CENTER PILLAR LOWER GARNISH	62414A	-	-	-
4	REAR DOOR OPENING TRIM WEATHERSTRIP	62332A	-	-	-
5	REAR DOOR SCUFF PLATE INSIDE	67918F	-	-	-
6	FRONT DOOR OPENING TRIM WEATHERSTRIP	62312B	-	-	-
7	FRONT DOOR SCUFF PLATE	67914	-	-	-
8	CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL	-		-	-
9	INSPECT SRS WARNING LIGHT	-	-	-
10	INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL	-	-	-

Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

N*m (kgf*cm, ft.*lbf): Specified torque

PROCEDURE

1. INSTALL FLOOR SIDE AIRBAG SENSOR

Illumination off

(1) Check that the ignition switch is off.

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

CAUTION:

Wait at least 60 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(1) Engage the claw and install the floor side airbag sensor with the nut.

Torque:

7.8 N·m {80 kgf·cm, 69 in·lbf}

NOTICE:

If the floor side 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 floor side airbag sensor, make sure that the SRS wiring does not interfere with or is not pinched between other parts.
Make sure that the floor side airbag sensor claw is securely inserted into the body hole.

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

(3) Connect the connector to the floor side airbag sensor.

NOTICE:

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

HINT:

Refer to How to Connect or Disconnect Airbag Connector.

Click here

2. CONNECT FRONT SEAT OUTER BELT ASSEMBLY

(1) Engage the 2 guides and install the front seat outer belt assembly with the bolt.

Torque:

12.5 N·m {127 kgf·cm, 9 ft·lbf}

(2) Connect the pretensioner connector and lock the locking button as shown in the illustration.

NOTICE:

Securely lock the locking button.

(1) Install the front seat outer belt assembly with the bolt.

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

(2) Check that the ELR locks.

NOTICE:

This check should be performed with the front seat outer belt assembly installed to the Toyota Prius vehicle.

1. With the front seat outer belt assembly installed to the vehicle, check that the belt locks when it is pulled out quickly.

3. INSTALL CENTER PILLAR LOWER GARNISH

4. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP

5. INSTALL REAR DOOR SCUFF PLATE INSIDE

6. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP

7. INSTALL FRONT DOOR SCUFF PLATE

8. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

for M20A-FXS:
Click here
for 2ZR-FXE:
Click here

9. INSPECT SRS WARNING LIGHT

Click here

10. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

Click here