Toyota Sienna 2010-2026 Owners Manual: Trailer Tongue Weight
- A recommended tongue weight varies in accordance with the types of trailers or towing as described below.
- To ensure the recommended values shown below, the trailer must be loaded by referring to the following instructions.
- Tongue Weight
The gross trailer weight should be distributed so that the tongue weight is 9% to 11%.
(Tongue weight / Gross trailer weight x 100 = 9% to 11%)
- Gross trailer weight
- Tongue weight
The gross trailer weight, gross axle weight and tongue weight can be measured with platform scales found at a highway weighing station, building supply company, trucking company, junk yard, etc.
GCWR, TWR and Unbraked TWR
Confirm that the gross trailer weight, gross combination weight, gross
vehicle weight, gross axle weight and tongue weight are all within the
limits.
GCWR*
2WD models: 8900 lb. (4037 kg)
AWD mode ...
Hitch
Trailer hitch assemblies have different weight capacities. Toyota recommends
the use of Toyota hitch/bracket for your vehicle. For details,
contact your Toyota dealer.
If you wish to install a t ...
Other materials:
Terminals of ECU
1. CENTER AIRBAG SENSOR ASSEMBLY (w/ Side
Airbag)
2. CENTER AIRBAG SENSOR ASSEMBLY (w/o Side
Airbag)
...
When servicing full-time 4wd vehicles
The full-time 4WD SIENNA is equipped with the open
center differential system.
If incorrect preparations or test procedures are used, the
test will not only be unsuccessful, but may be dangerous
as well.
Therefore, before beginning any such servicing or test,
be sure to check the following ...
Brake Warning Light Remains ON
DESCRIPTION
If the ECU detects a trouble, it turns on the brake warning light at the same
time of prohibiting ABS
control.
At this time, the ECU records a DTC in memory.
Connect terminals TC and CG of the DLC3 to make the brake warning light blink
and output the DTC.
WIRING DIAGRAM
...
