Toyota Avalon (XX50): Rear Seatback Heater

Components

COMPONENTS

ILLUSTRATION

*1

SPARE WHEEL COVER ASSEMBLY

-

-

ILLUSTRATION

*A

for RH Side

*B

for LH Side

*1

LUGGAGE COMPARTMENT INNER TRIM PAD

*2

REAR CENTER SEAT OUTER BELT ASSEMBLY

*3

REAR SEAT HEADREST ASSEMBLY

*4

REAR SEATBACK ASSEMBLY LH

*5

REAR SEATBACK ASSEMBLY RH

-

-

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

-

-

ILLUSTRATION

*A

for LH Side

-

-

*1

REAR SEATBACK HEATER ASSEMBLY

*2

REAR SEATBACK UPPER LOCK BEZEL

*3

SEPARATE TYPE REAR SEATBACK COVER

*4

SEPARATE TYPE REAR SEATBACK COVER WITH PAD

*5

SEPARATE TYPE REAR SEATBACK PAD

*6

REAR SEAT HEADREST SUPPORT

*7

REAR SEATBACK FRAME SUB-ASSEMBLY LH

*8

HOG RING

*9

TAG PIN

-

-

Non-reusable part

-

-

ILLUSTRATION

*A

for RH Side

-

-

*1

REAR SEAT CENTER ARMREST ASSEMBLY

*2

REAR SEAT CENTER SHOULDER BELT GUIDE

*3

REAR SEATBACK HEATER ASSEMBLY

*4

REAR SEATBACK HINGE COVER

*5

REAR SEATBACK UPPER LOCK BEZEL

*6

SEPARATE TYPE REAR SEATBACK COVER

*7

SEPARATE TYPE REAR SEATBACK COVER WITH PAD

*8

REAR SEAT HEADREST SUPPORT

*9

REAR SEATBACK FRAME SUB-ASSEMBLY RH

*10

SEPARATE TYPE REAR SEATBACK PAD

*11

BUSH

*12

HOG RING

*13

TAG PIN

-

-

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

Non-reusable part

Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR SEATBACK HEATER ASSEMBLY (for LH Side)

(a) Check the rear seatback heater assembly.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Seat heater temperature 23 °C (73 °F)

5.05 to 6.18 Ω

If the result is not as specified, replace the rear seatback heater assembly.

*a

Component without harness connected

(Rear Seatback Heater Assembly)

2. INSPECT REAR SEATBACK HEATER ASSEMBLY (for RH Side)

(a) Check the rear seatback heater assembly.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 - 2

Seat heater temperature 23 °C (73 °F)

5.05 to 6.18 Ω

If the result is not as specified, replace the rear seatback heater assembly.

*a

Component without harness connected

(Rear Seatback Heater Assembly)

Installation

INSTALLATION

CAUTION / NOTICE / HINT

CAUTION:

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

PROCEDURE

1. INSTALL REAR SEATBACK HEATER ASSEMBLY (for RH Side)

(a) Install the rear seatback heater assembly to the separate type rear seatback cover with 15 new tag pins.

2. INSTALL SEPARATE TYPE REAR SEATBACK COVER (for RH Side)

Click here

3. INSTALL SEPARATE TYPE REAR SEATBACK COVER WITH PAD (for RH Side)

Click here

4. INSTALL REAR SEATBACK UPPER LOCK BEZEL (for RH Side)

Click here

5. INSTALL REAR SEAT CENTER SHOULDER BELT GUIDE (for RH Side)

Click here

6. INSTALL REAR SEAT CENTER ARMREST ASSEMBLY (for RH Side)

Click here

7. INSTALL REAR SEATBACK HINGE COVER (for RH Side)

Click here

8. CONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY (for RH Side)

Click here

9. INSTALL REAR SEATBACK ASSEMBLY RH (for RH Side)

Click here

10. INSTALL REAR SEAT HEADREST ASSEMBLY (for RH Side)

Click here

11. INSTALL REAR SEATBACK HEATER ASSEMBLY (for LH Side)

HINT:

Use the same procedure as for the RH side.

12. INSTALL SEPARATE TYPE REAR SEATBACK COVER (for LH Side)

Click here

13. INSTALL SEPARATE TYPE REAR SEATBACK COVER WITH PAD (for LH Side)

Click here

14. INSTALL REAR SEATBACK UPPER LOCK BEZEL (for LH Side)

Click here

15. INSTALL REAR SEATBACK ASSEMBLY LH (for LH Side)

Click here

16. INSTALL REAR SEAT HEADREST ASSEMBLY (for LH Side)

Click here

17. INSTALL LUGGAGE COMPARTMENT INNER TRIM PAD

Click here

18. INSTALL SPARE WHEEL COVER ASSEMBLY

Click here

19. CHECK SEAT HEATER

for HV Model:

Click here

for Gasoline Model:

Click here

Removal

REMOVAL

CAUTION / NOTICE / HINT

CAUTION:

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

PROCEDURE

1. REMOVE SPARE WHEEL COVER ASSEMBLY

Click here

2. REMOVE LUGGAGE COMPARTMENT INNER TRIM PAD

Click here

3. REMOVE REAR SEAT HEADREST ASSEMBLY (for LH Side)

Click here

4. REMOVE REAR SEATBACK ASSEMBLY LH (for LH Side)

Click here

5. REMOVE REAR SEATBACK UPPER LOCK BEZEL (for LH Side)

Click here

6. REMOVE SEPARATE TYPE REAR SEATBACK COVER WITH PAD (for LH Side)

Click here

7. REMOVE SEPARATE TYPE REAR SEATBACK COVER (for LH Side)

Click here

8. REMOVE REAR SEATBACK HEATER ASSEMBLY (for LH Side)

(a) Remove the 15 tag pins and rear seatback heater assembly from the separate type rear seatback cover.

9. DISCONNECT REAR CENTER SEAT OUTER BELT ASSEMBLY (for RH Side)

Click here

10. REMOVE REAR SEAT HEADREST ASSEMBLY (for RH Side)

Click here

11. REMOVE REAR SEATBACK ASSEMBLY RH (for RH Side)

Click here

12. REMOVE REAR SEATBACK HINGE COVER (for RH Side)

Click here

13. REMOVE REAR SEAT CENTER ARMREST ASSEMBLY (for RH Side)

Click here

14. REMOVE REAR SEAT CENTER SHOULDER BELT GUIDE (for RH Side)

Click here

15. REMOVE REAR SEATBACK UPPER LOCK BEZEL (for RH Side)

Click here

16. REMOVE SEPARATE TYPE REAR SEATBACK COVER WITH PAD (for RH Side)

Click here

17. REMOVE SEPARATE TYPE REAR SEATBACK COVER (for RH Side)

Click here

18. REMOVE REAR SEATBACK HEATER ASSEMBLY (for RH Side)

HINT:

Use the same procedure as for the LH side.

Rear Seat Reclining Control Cable

Seat Heater Switch(for Rear Side)

See More:

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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