Toyota Sienna Service Manual: Installation
1. INSTALL FRONT PASSENGER AIRBAG ASSEMBLY
- Install the front passenger airbag assembly with the 2 screws.
2. INSTALL INSTRUMENT PANEL SUB-ASSEMBLY
3. CONNECT FRONT PASSENGER AIRBAG ASSEMBLY CONNECTOR
- Connect the connector to the front passenger airbag assembly.
NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.
4. INSTALL INSTRUMENT PANEL BOX NO.2
5. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
6. INSTALL STEERING COLUMN COVER
7. INSTALL STEERING WHEEL ASSEMBLY
8. INSPECT STEERING WHEEL CENTER POINT
9. INSTALL STEERING PAD
10. INSTALL STEERING WHEEL NO.2 COVER LOWER
11. INSTALL STEERING WHEEL NO.3 COVER LOWER
12. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
13. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
14. PERFORM INITIALIZATION
- Perform initialization.
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
15. 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 ...
Disposal
HINT:
When scrapping a vehicle equipped with the SRS or
disposing of the front passenger airbag assembly, be sure to
deploy the airbag first in accordance with the procedure
described below. If an ...
Other materials:
Problem symptoms table
Use the table below to find the cause of the problem. The
numbers indicate the priority of the likely cause of the
problem. Check each part in order. If necessary, replace
these parts.
Front A/C:
Rear A/C:
...
Reassembly
1. INSTALL REAR DISC
(a) Aligning the matchmarks, install the rear disc.
HINT:
Select the installation position where the disc has
the minimum runout.
2. INSPECT DISC RUNOUT
(a) Temporarily fasten the disc with the hub nuts.
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
(b) Using a di ...
Center Airbag Sensor Assembly Communication
Circuit Malfunction
DTC B1790 Center Airbag Sensor Assembly Communication
Circuit Malfunction
DESCRIPTION
The center airbag sensor assembly communication circuit consists of the
occupant classification ECU and
the center airbag sensor assembly.
DTC B1790 is recorded when a malfunction is detected in the center ...
