Toyota Sienna 2010-2021 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:
On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT SEAT POSITION SENSOR (VEHICLE
INVOLVED IN COLLISION)
Perform a diagnostic system check.
Even if the airbag was not deployed, check if there
is any dama ...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected Area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
Basic inspection
When a malfunction is not confirmed by the DTC check,
troubleshooting should be carried out in all circuits
considered to be possible causes of the problem. In many
cases, by carrying out the basic engine check shown in the
following flowchart, the location of the problem can be found
quickly a ...