Toyota Prius: Front Seat Inner Belt Assembly

Toyota Prius (XW60) 2023-2025 Service Manual / Vehicle Interior / Seat Belt / Front Seat Inner Belt Assembly

Removal
Inspection
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 front seat assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
*: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.
w/ Occupant Classification 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)

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.

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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.	-

CAUTION / NOTICE / HINT

COMPONENTS (REMOVAL)

Procedure		Part Name Code
1	FRONT SEAT ASSEMBLY	-	-	-	-
2	FRONT SEAT INNER BELT ASSEMBLY	73240	-	-	-
3	FRONT SEAT INNER BELT ASSEMBLY	73230	-	-	-

*A	for Driver Side	*B	for Front Passenger Side
*C	w/o Seat Position Memory System	*D	w/ Seat Position Memory System
*E	w/o Occupant Classification System	*F	w/ Occupant Classification System
*1	FRONT SEAT BELT ANCHOR PLATE	-	-

PROCEDURE

1. REMOVE FRONT SEAT ASSEMBLY

for Manual Seat:

Click here

for Power Seat:

Click here

2. REMOVE FRONT SEAT INNER BELT ASSEMBLY (for Driver Side)

(a) w/o Seat Position Memory System:

(b) w/ Seat Position Memory System:

3. REMOVE FRONT SEAT INNER BELT ASSEMBLY (for Front Passenger Side)

(a) w/o Occupant Classification System:

(b) w/ Occupant Classification System:

Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (for Driver Side without Seat Position Memory System)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Click Location & Routing(R64) Click Connector(R64)

Tester Connection	Condition	Specified Condition	Result
R64-3( ) - R64-2(E)	Driver side seat belt unfastened	Below 1 Ω	Ω
R64-3( ) - R64-2(E)	Driver side seat belt fastened	10 kΩ or higher	kΩ

If the result is not as specified, replace the front seat inner belt assembly LH.

*a	Component without harness connected (Front Seat Inner Belt Assembly LH)

2. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (for Driver Side with Seat Position Memory System)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Click Location & Routing(R64,b16) Click Connector(R64) Click Connector(b16)

Tester Connection	Condition	Specified Condition	Result
R64-3( ) - R64-2(E)	Driver side seat belt unfastened	Below 1 Ω	Ω
R64-3( ) - R64-2(E)	Driver side seat belt fastened	10 kΩ or higher	kΩ
b16-1 - R64-2(E)	Driver side seat belt unfastened	10 kΩ or higher	kΩ
b16-1 - R64-2(E)	Driver side seat belt fastened	Below 1 Ω	Ω

If the result is not as specified, replace the front seat inner belt assembly LH.

*a	Component without harness connected (Front Seat Inner Belt Assembly LH)

3. INSPECT FRONT SEAT INNER BELT ASSEMBLY RH (for Front Passenger Side)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Click Location & Routing(R51) Click Connector(R51)

Tester Connection	Condition	Specified Condition	Result
R51-3( ) - R51-2(E)	Front passenger side seat belt unfastened	Below 1 Ω	Ω
R51-3( ) - R51-2(E)	Front passenger side seat belt fastened	10 kΩ or higher	kΩ
R51-5( ) - A-1	Always	Below 1 Ω	Ω
R51-4(E) - A-3	Always	Below 1 Ω	Ω

If the result is not as specified, replace the front seat inner belt assembly RH.

*a	Component without harness connected (Front Seat Inner Belt Assembly RH)

Installation

INSTALLATION

CAUTION / NOTICE / HINT

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

CAUTION / NOTICE / HINT

COMPONENTS (INSTALLATION)

Procedure		Part Name Code
1	FRONT SEAT INNER BELT ASSEMBLY	73240		-	-
2	FRONT SEAT INNER BELT ASSEMBLY	73230		-	-
3	FRONT SEAT ASSEMBLY	-	-	-	-

*A	for Driver Side	*B	for Front Passenger Side
*C	w/o Seat Position Memory System	*D	w/ Seat Position Memory System
*E	w/o Occupant Classification System	*F	w/ Occupant Classification System
*1	FRONT SEAT BELT ANCHOR PLATE	-	-
	Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)	-	-

PROCEDURE

1. INSTALL FRONT SEAT INNER BELT ASSEMBLY (for Driver Side)

(a) w/o Seat Position Memory System:

Protruding Part

(1) Install the front seat belt anchor plate.

(2) Install the front seat inner belt assembly LH with the nut.

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

NOTICE:

Do not allow the anchor part of the front seat inner belt assembly LH to overlap the protruding part of the separate type front seat cushion spring assembly.

(3) Engage each clamp.

(b) w/ Seat Position Memory System:

Protruding Part

(1) Install the front seat belt anchor plate.

(2) Install the front seat inner belt assembly LH with the nut.

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

NOTICE:

Do not allow the anchor part of the front seat inner belt assembly LH to overlap the protruding part of the separate type front seat cushion spring assembly.

(3) Engage each clamp.

2. INSTALL FRONT SEAT INNER BELT ASSEMBLY (for Front Passenger Side)

(a) w/o Occupant Classification System:

Protruding Part

(1) Install the front seat belt anchor plate.

(2) Install the front seat inner belt assembly RH with the nut.

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

NOTICE:

Do not allow the anchor part of the front seat inner belt assembly RH to overlap the protruding part of the separate type front seat cushion spring assembly.

(3) Engage each clamp.

(b) w/ Occupant Classification System:

Protruding Part

(1) Install the front seat belt anchor plate.

(2) Install the front seat inner belt assembly RH with the nut.

Torque:

42 N·m {428 kgf·cm, 31 ft·lbf}

NOTICE:

Do not allow the anchor part of the front seat inner belt assembly RH to overlap the protruding part of the separate type front seat cushion spring assembly.

(3) Engage each clamp.

(4) Connect the connector.

3. INSTALL FRONT SEAT ASSEMBLY

for Manual Seat:

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