Toyota Sienna Service Manual: Body
GENERAL MAINTENANCE
1. TIGHTEN BOLTS AND NUTS ON CHASSIS AND BODY
(a) Tighten all the parts of the chassis when necessary.
- Steering system
- Drive train
- Suspension
- Brake system
- Engine mounting, etc.
(b) Tighten all the parts of the body when necessary.
- Seat belts
- Seats
- Doors and hood
- Body mountings
- Fuel tank
- Exhaust pipe system, etc.
2. REPLACE AIR CONDITIONING FILTER
(a) Remove the glove compartment assembly.
(b) Remove the filter case by holding both sides.
(c) Remove the filter from the filter case.
(d) Replace the filter with a new one.
(e) The installation is in the reverse order of the removal.
Chassis
GENERAL MAINTENANCE
1. INSPECT STEERING LINKAGE
(a) Check the steering linkage for looseness or
damage.
Check that:
Tie rod ends do not have excessive play.
Dust seals and boots are not da ...
Other materials:
Installation
1. INSTALL REAR NO. 1 SEAT ASSEMBLY CENTER
Place the seat in the cabin.
NOTICE:
Be careful not to damage the body.
Install the rear seat.
Install the seat belt anchor plate with the bolt.
Torque: 42 N*m (428 kgf*cm, 31 ft.*lbf)
Install the headrest.
...
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to the ON position, the battery voltage is
applied to terminal IGSW of
the ECM. The ECM MREL output signal causes a current to flow to the coil,
closing the contacts of the EFI
relay and supplying power to terminal +B of the ECM.
If the igniti ...
Open in Occupant Classification ECU Battery
Positive Line
DTC B1794 Open in Occupant Classification ECU Battery
Positive Line
DESCRIPTION
This circuit consists of the occupant classification ECU and the power source
circuit (battery, fuse, wire
harness).
DTC B1794 is recorded when a malfunction is detected in the occupant
classification ECU or t ...
