Toyota Sienna Service Manual: Inspection
1. INSPECT UNDERDRIVE PLANETARY GEAR PRELOAD
(a) Using SST, fix the underdrive planetary gear assembly.
SST 09387-00050
(b) Using SST and a torque wrench, measure the turning torque of the underdrive planetary gear assembly while rotating the torque wrench at 60 rpm.
SST 09387-00050 Turning torque at 60 rpm.: 0.50 to 1.42 N*m (5.1 to 14.5 kgf*cm, 4.4 to 12.6 in.*lbf)
HINT: Use a torque wrench with a fulcrum length of 160 mm (6.3 in.).
Disassembly
1. INSPECT UNDERDRIVE PLANETARY GEAR
PRELOAD
HINT:
(See page AX-260)
2. REMOVE FRONT PLANETARY GEAR NUT
(a) Using SST, loosen the staked part of the lock nut.
SST 09930-00010 (09931-00010, ...
Reassembly
1. INSTALL UNDERDRIVE PLANETARY RING GEAR
HINT:
Use a torque wrench with a fulcrum length of 160
mm (6.3 in.).
(a) Install a new snap ring to the outer race of the radial
ball bearing rear.
...
Other materials:
Installation
1. INSTALL VENTILATION VALVE
(a) Install the ventilation valve.
(1) Apply adhesive to 2 or 3 threads.
Adhesive:
Part No. 08833-00070, Three Bond 1324 or
equivalent
(2) Install the ventilation valve.
Torque: 27 N*m (275 kgf*cm, 20 ft.*lbf)
2. CONNECT VENTILATION HOSE
(a) Connect ...
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 ...
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 vehicle, perform a visual check. If there are
any defects as mentioned below, replace the
instrumen ...
