Toyota Sienna 2010-2026 Owners Manual: 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 models: 8990 lb. (4078 kg)
TWR*
3500 lb. (1588 kg)
Unbraked TWR*
1000 lb. (454 kg)
*: These models meet the tow-vehicle trailering requirement of SAE International per SAE J2807.
The towing package is required.
Toyota does not recommend towing with this vehicle without the towing package.
Weight limits
The gross trailer weight must never exceed 3500 lb. (1588 kg).*
The gross combination weight must never exceed the GCWR
described below.
2WD models: 8900 lb. (4037 kg)*
AWD models: 89 ...
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 ...
Other materials:
Problem symptoms table
HINT:
Proceed to the troubleshooting for each circuit in the table
below.
Occupant Classification System
Symptom
Suspected area
The front passenger seat condition differs from the
indication by the passenger airbag ON/OFF indicator
(DTC is not output).
Trouble ...
Vehicle Speed Signal Circuit between Radio and Navigation Assembly
and Combination Meter
DESCRIPTION
The radio and navigation assembly receives a vehicle speed signal from the
combination meter and
information about the GPS antenna, and then adjusts vehicle position.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to
the combination meter. The sig ...
Power slide door control motor and clutch
INSPECTION
1. INSPECT SLIDE DOOR CONTROL MOTOR AND CLUTCH ASSEMBLY LH
Remove the motor and clutch.
Connect the battery positive (+) lead to terminal 3
and the battery negative (-) lead to terminal 2.
Apply battery voltage to the terminals and check the
motor operation.
OK
If ...
