Toyota Sienna Service Manual: Removal
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.
3. REMOVE FRONT SEAT ASSEMBLY (for Manual Seat)
4. REMOVE FRONT SEAT ASSEMBLY (for Power Seat)
5. REMOVE RECLINING ADJUSTER RELEASE HANDLE LH (for Manual Seat)
6. REMOVE VERTICAL SEAT ADJUSTER KNOB CAP (for Manual Seat)
7. REMOVE VERTICAL ADJUSTING HANDLE NO.2 (for Manual Seat)
8. REMOVE FRONT SEAT CUSHION SHIELD LH (for Manual Seat)
9. REMOVE SLIDE AND VERTICAL POWER SEAT SWITCH KNOB (for Power Seat)
10. REMOVE RECLINING POWER SEAT SWITCH KNOB (for Power Seat)
11. REMOVE FRONT SEAT CUSHION SHIELD ASSEMBLY
- Remove the 5 screws and the front seat cushion shield assembly.
12. REMOVE SEAT SLIDE POSITION SENSOR PROTECTOR
- Remove the seat slide position sensor protector from the seat position sensor.
13. REMOVE SEAT POSITION SENSOR
- Disconnect the connector from the seat position sensor.
- Using a "torx" socket wrench (T30), remove the "torx" screw and the seat position sensor.
On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE
INVOLVED IN COLLISION)
Perform ...
Installation
1. INSTALL SEAT POSITION AIRBAG SENSOR
Check that the ignition switch is off.
Check that the negative battery (-) terminal is
disconnected.
CAUTION:
After disconnecting the ...
Other materials:
How to proceed with
troubleshooting
HINT:
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
Confirm problem symptoms
3 CHECK MULTIPLEX COMMUNICATION SYSTEM*
Check if the multiplex communication system DTC is
output.
HINT:
The center airbag sensor assembly of this system is
co ...
Check mode procedure
HINT:
Check mode has a higher sensitivity to malfunctions and can
detect malfunction that normal mode cannot detect. Check
mode can also detect all the malfunctions that normal mode
can detect. In check mode, DTCs are detected with 1-trip
detection logic.
Dtc check (check mode)
HINT:
I ...
Sliding roof switch assembly
ON-VEHICLE INSPECTION
1. INSPECT SLIDING ROOF SWITCH ASSEMBLY
Remove the switch.
Check the resistance between the terminals when
operating the switch.
Resistance
If the result is not as specified, replace the switch
set. ...
