Toyota Prius: Occupant Detection Sensor (for Front Passenger Side)

• 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 occupant detection sensor 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.

Click here

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	SEPARATE TYPE FRONT SEATBACK COVER	71073S	-	-	-
3	FRONT SEAT INNER BELT ASSEMBLY	73230	-	-	-
4	RECLINING HINGE COVER	72551B	-	-	-
5	RECLINING ADJUSTER RELEASE HANDLE	72525A	-	-	-
6	FRONT SEAT CUSHION SHIELD	71811D		-	-
7	FRONT SEAT INNER CUSHION SHIELD	71861		-	-

*1

FRONT SEAT ANCHOR PLATE

-

-

Procedure		Part Name Code
8	SEPARATE TYPE FRONT SEATBACK ASSEMBLY	-	-	-	-
9	SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD	-	-	-	-
10	CONNECTOR HOLDER	82667D	-	-	-
11	OCCUPANT DETECTION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION PAD)	71511S		-	-

*A	for Standard Seat Type	*B	for Sports Seat Type
*1	SEPARATE TYPE FRONT SEAT CUSHION COVER	-	-

PROCEDURE

1. REMOVE FRONT SEAT ASSEMBLY

(a) Use the same procedure as for the driver side.

Click here

2. DISCONNECT SEPARATE TYPE FRONT SEATBACK COVER

(a) Use the same procedure as for the driver side.

Click here

3. REMOVE FRONT SEAT INNER BELT ASSEMBLY

Click here

4. REMOVE RECLINING HINGE COVER

(a) Use the same procedure as for the driver side.

Click here

5. REMOVE RECLINING ADJUSTER RELEASE HANDLE

(a) Use the same procedure as for the driver side.

Click here

6. REMOVE FRONT SEAT CUSHION SHIELD

Use the same procedure as for the driver side. Click here

7. REMOVE FRONT SEAT INNER CUSHION SHIELD

Use the same procedure as for the driver side. Click here

8. REMOVE SEPARATE TYPE FRONT SEATBACK ASSEMBLY

(a) Use the same procedure as for the driver seat.

Click here

9. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD

Use the same procedure as for the driver side. Click here

10. REMOVE CONNECTOR HOLDER

Click here

11. REMOVE OCCUPANT DETECTION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION PAD)

(a) for Standard Seat Type:

*a

Screwdriver

-

-

(1) Using a screwdriver, disengage the 12 claws and remove the occupant detection sensor (separate type front seat cushion pad) from the separate type front seat cushion cover as shown in the illustration.

(b) for Sporty Seat Type:

*a

Screwdriver

-

-

(1) Using a screwdriver, disengage the 12 claws and remove the occupant detection sensor (separate type front seat cushion pad) from the separate type front seat cushion cover as shown in the illustration.

Inspection

INSPECTION

PROCEDURE

1. INSPECT OCCUPANT DETECTION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION PAD)

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition Result If the result is not as specified, replace the occupant detection sensor (separate type front seat cushion pad). A-1 - A-3 Front passenger side seat occupied Below 100 Ω Ω A-1 - A-3 Front passenger side seat not occupied 1 MΩ or higher MΩ

*a Component without harness connected (Occupant Detection Sensor (Separate Type Front Seat Cushion Pad))

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	OCCUPANT DETECTION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION PAD)	71511S		-	-
2	CONNECTOR HOLDER	82667D	-	-	-
3	SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD	-	-	-	-
4	SEPARATE TYPE FRONT SEATBACK ASSEMBLY	-	-	-	-

*1	SEPARATE TYPE FRONT SEAT CUSHION COVER	-	-
	Tightening torque for "Major areas involving basic Toyota Prius vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)	-	-

Procedure		Part Name Code
5	FRONT SEAT INNER CUSHION SHIELD	71861	-	-	-
6	FRONT SEAT CUSHION SHIELD	71811D	-	-	-
7	RECLINING ADJUSTER RELEASE HANDLE	72525A	-	-	-
8	RECLINING HINGE COVER	72551B	-	-	-
9	FRONT SEAT INNER BELT ASSEMBLY	73230		-	-
10	SEPARATE TYPE FRONT SEATBACK COVER	71073S	-	-	-
11	FRONT SEAT ASSEMBLY	-	-	-	-

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

PROCEDURE

1. INSTALL OCCUPANT DETECTION SENSOR (SEPARATE TYPE FRONT SEAT CUSHION PAD)

NOTICE: When installing a separate type front seat cushion cover, refer to Precaution in order to prevent wrinkles from forming. Click here

2. INSTALL CONNECTOR HOLDER

3. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD

4. INSTALL SEPARATE TYPE FRONT SEATBACK ASSEMBLY

(a) Use the same procedure as for the driver side.

Click here

5. INSTALL FRONT SEAT INNER CUSHION SHIELD

6. INSTALL FRONT SEAT CUSHION SHIELD

7. INSTALL RECLINING ADJUSTER RELEASE HANDLE

8. INSTALL RECLINING HINGE COVER

9. INSTALL FRONT SEAT INNER BELT ASSEMBLY

Click here

10. CONNECT SEPARATE TYPE FRONT SEATBACK COVER

11. INSTALL FRONT SEAT ASSEMBLY

Click here