Toyota Prius: Front Seatback Heater (for Power Seat)
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 seatback heater 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. | |||
| Initialize position control ECU | Front Power Seat Control System (w/ Memory) |
|
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
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.
-
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 1 | PRECAUTION | - |
| - | - |
| 2 | FRONT SEAT ASSEMBLY | - | - | - | - |
| 3 | DISCONNECT SEPARATE TYPE FRONT SEATBACK COVER | 71074S | - | - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 4 | FRONT SEAT FRONT CUSHION SHIELD | 71868N |
| - | - |
| 5 | FRONT SEAT CUSHION SHIELD | 71812D |
| - | - |
| 6 | FRONT SEAT INNER CUSHION SHIELD | 71862 |
| - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 7 | SEPARATE TYPE FRONT SEATBACK ASSEMBLY | - | - | - | - |
| *1 | SEPARATE TYPE FRONT SEAT CUSHION ASSEMBLY | - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 8 | FRONT SEAT HEADREST SUPPORT | 71931 | - | - | - |
| 9 | SEPARATE TYPE FRONT SEATBACK COVER WITH PAD | - |
| - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 10 | SEPARATE TYPE FRONT SEATBACK COVER | 71074S |
| - | - |
| 11 | FRONT SEATBACK HEATER ASSEMBLY | 87510N |
| - | - |
| *1 | SEPARATE TYPE FRONT SEATBACK PAD | - | - |
| ● | Non-reusable part | - | - |
PROCEDURE
1. PRECAUTION
| NOTICE: After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here
|
2. REMOVE FRONT SEAT ASSEMBLY
Click here
3. DISCONNECT SEPARATE TYPE FRONT SEATBACK COVER
Click here
4. REMOVE FRONT SEAT FRONT CUSHION SHIELD
| Click here
|
5. REMOVE FRONT SEAT CUSHION SHIELD
| Click here
|
6. REMOVE FRONT SEAT INNER CUSHION SHIELD
| Click here
|
7. REMOVE SEPARATE TYPE FRONT SEATBACK ASSEMBLY
Click here
8. REMOVE FRONT SEAT HEADREST SUPPORT
Click here
9. REMOVE SEPARATE TYPE FRONT SEATBACK COVER WITH PAD
| Click here
|
10. REMOVE SEPARATE TYPE FRONT SEATBACK COVER
| Click here
|
11. REMOVE FRONT SEATBACK HEATER ASSEMBLY
| NOTICE: Replace the front seatback heater assembly and separate type front seatback pad as a set. |
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEATBACK HEATER ASSEMBLY LH
| (a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the front seatback heater assembly LH. |
|
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 SEATBACK HEATER ASSEMBLY | 87510N |
| - | - |
| 2 | SEPARATE TYPE FRONT SEATBACK COVER | 71074S |
| - | - |
| *1 | SEPARATE TYPE FRONT SEATBACK PAD | - | - |
| ● | Non-reusable part | - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 3 | SEPARATE TYPE FRONT SEATBACK COVER WITH PAD | - | - | - | - |
| 4 | FRONT SEAT HEADREST SUPPORT | 71931 | - | - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 5 | SEPARATE TYPE FRONT SEATBACK ASSEMBLY | - | - | - | - |
| *1 | SEPARATE TYPE FRONT SEAT CUSHION ASSEMBLY | - | - |
| 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 |
|
|
| |
|---|---|---|---|---|---|
| 6 | FRONT SEAT INNER CUSHION SHIELD | 71862 | - | - | - |
| 7 | FRONT SEAT CUSHION SHIELD | 71812D | - | - | - |
| 8 | FRONT SEAT FRONT CUSHION SHIELD | 71868N | - | - | - |
| Procedure | Part Name Code |
|
|
| |
|---|---|---|---|---|---|
| 9 | CONNECT SEPARATE TYPE FRONT SEATBACK COVER | 71074S | - | - | - |
| 10 | FRONT SEAT ASSEMBLY | - | - | - | - |
PROCEDURE
1. INSTALL FRONT SEATBACK HEATER ASSEMBLY
| NOTICE: Replace the front seatback heater assembly and separate type front seatback pad as a set. |
| *a | Cutout | - | - |
| Double-sided Tape | - | - |
(1) Remove the release paper from a new front seatback heater assembly.
(2) Install the new front seatback heater assembly while aligning with the cutouts as shown in the illustration.
NOTICE:
Press the front seatback heater assembly firmly to install it.
2. INSTALL SEPARATE TYPE FRONT SEATBACK COVER
| Click here
|
3. INSTALL SEPARATE TYPE FRONT SEATBACK COVER WITH PAD
4. INSTALL FRONT SEAT HEADREST SUPPORT
5. INSTALL SEPARATE TYPE FRONT SEATBACK ASSEMBLY
Click here
6. INSTALL FRONT SEAT INNER CUSHION SHIELD
7. INSTALL FRONT SEAT CUSHION SHIELD
8. INSTALL FRONT SEAT FRONT CUSHION SHIELD
9. CONNECT SEPARATE TYPE FRONT SEATBACK COVER
10. INSTALL FRONT SEAT ASSEMBLY
Click here
Toyota Prius (XW60) 2023-2025 Service Manual
Front Seatback Heater (for Power Seat)
Actual pages
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