Toyota Sienna Service Manual: 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 negative battery terminal, wait for at least 90 seconds before starting the operation.
- Using a feeler gauge 1 mm (0.039 in.), install the seat position sensor.
NOTICE:
- If the seat position sensor has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
- When installing the seat position sensor, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.
HINT: Be sure that a clearance between the seat position sensor and the seat rail is within 0.6 mm (0.023 in.) to 1.4 mm (0.055 in.).
- Using a "torx" socket wrench (T30), tighten the
"torx" screw to install the seat position sensor.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
- Make sure that a clearance between the seat position sensor and the seat rail is within 0.6 mm (0.023 in.) to 1.4 mm (0.055 in.).
- Check that there is no looseness in the installation parts of the seat position sensor.
- Connect the connector to the seat position sensor.
2. INSTALL SEAT SLIDE POSITION SENSOR PROTECTOR
3. INSTALL FRONT SEAT CUSHION SHIELD ASSEMBLY (for Power Seat)
4. INSTALL SLIDE AND VERTICAL POWER SEAT SWITCH KNOB (for Power Seat)
5. INSTALL RECLINING POWER SEAT SWITCH KNOB (for Power Seat)
6. INSTALL FRONT SEAT CUSHION SHIELD LH (for Manual Seat)
7. INSTALL VERTICAL ADJUSTING HANDLE NO.2 (for Manual Seat)
8. INSTALL VERTICAL SEAT ADJUSTER KNOB CAP (for Manual Seat)
9. INSTALL RECLINING ADJUSTER RELEASE HANDLE LH (for Manual Seat)
10. INSTALL FRONT SEAT ASSEMBLY (for Manual Seat)
11. INSTALL FRONT SEAT ASSEMBLY (for Power Seat)
12. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
13. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
14. INSPECT SLIDE ADJUSTER LOCK (for Manual Seat)
15. INSPECT POWER SEAT OPERATION (for Power Seat)
16. INSPECT SEAT HEATER OPERATION (w/ Seat Heater System)
17. INSPECT SRS WARNING LIGHT
- Inspect the SRS warning light
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 th ...
Occupant classification ECU
COMPONENTS
...
Other materials:
Removal
HINT:
Remove the RH side by the same procedure as the LH side.
1. REMOVE FRONT WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surface.
3. REMOVE FRONT DISC BRAKE CYLINDER SUBASSEMBLY
(a) Remove the union bolt and 2 gaskets from the f ...
Rear Occupant Classification Sensor RH Collision
Detection
DTC B1788 Rear Occupant Classification Sensor RH Collision
Detection
DESCRIPTION
DTC B1788 is output when the occupant classification ECU receives a collision
detection signal sent by
the rear occupant classification sensor RH if an accident occurs.
DTC B1788 is also output when the front s ...
Lost Communication with Radar Sensor
DTC U1102 Lost Communication with Radar Sensor
DESCRIPTION
The laser sensor and distance control ECU transmit the data for general
vehicle control and diagnosis
function along the communication line. The distance control ECU determines the
curve radius information
based on signals from the s ...
