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. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE STEERING WHEEL NO.3 COVER LOWER (24)
5. REMOVE STEERING WHEEL NO.2 COVER LOWER (24)
6. REMOVE STEERING PAD (24)
7. REMOVE STEERING WHEEL ASSEMBLY
8. REMOVE STEERING COLUMN COVER
9. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
10. REMOVE INSTRUMENT PANEL BOX NO.2
11. DISCONNECT FRONT PASSENGER AIRBAG ASSEMBLY CONNECTOR
- Disconnect the connector from the front passenger airbag assembly.
NOTICE: When handling the airbag connector, take care not to damage the airbag wire harness.
12. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY
13. REMOVE FRONT PASSENGER AIRBAG ASSEMBLY
- Remove the 2 screws.
- Release the front side wall of the airbag door from the hook by slightly deflecting it and roll the front passenger airbag assembly rearward.
- Release the rear side wall of the airbag door from the other hook and remove the front passenger airbag assembly.
On-vehicle inspection
1. INSPECT FRONT PASSENGER AIRBAG ASSEMBLY
(VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the front passenger airbag assembly installed
on the veh ...
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 ...
Other materials:
Disassembly
1. Remove oil filler cap sub-assembly
(A) remove the oil filler cap sub-assembly and oil filler
gasket.
2. REMOVE SPARK PLUG
(a) Remove the spark plugs.
3. REMOVE OIL PAN DRAIN PLUG
(a) Remove the oil pan drain plug and oil pan drain plug
gasket.
4. REMOVE VENTILATION VALVE SUB-ASSEMBLY
...
Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
Disconnect the 1C, 1J, 1L, 1K, 1P, B6, B7 and B9 J/
B connectors.
Measure the voltage and resistance according to
the value(s) in the table below.
Standard
HINT:
If the result is not as specified ...
Rear Airbag Sensor LH Circuit Malfunction
DTC B1155/39 Rear Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The rear airbag sensor LH circuit consists of the center airbag sensor
assembly and rear airbag sensor
LH.
If the center airbag sensor assembly receives signals from the rear airbag
sensor LH, it judges whether or
not the ...
