Toyota Sienna 2010-2026 Owners Manual: 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: 8990 lb. (4078 kg)*
- The gross vehicle weight must never exceed the GVWR indicated on the Certification Label.
- The gross axle weight on each axle must never exceed the GAWR indicated on the Certification Label.
- If the gross trailer weight is over the unbraked TWR, trailer service brakes are required.
- If the gross trailer weight is over 2000 lbs. (907 kg), a sway control device with sufficient capacity is required.
*: The towing package is required.
Toyota does not recommend towing with this vehicle without the towing package.
Towing related terms
GCWR (Gross Combination Weight Rating)
The maximum allowable gross
combination weight. The gross
combination weight is the sum
of the total vehicle weight
(including the occupants, cargo
and ...
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 ...
Other materials:
Bluetooth® phone
message function
Received messages can be forwarded from the connected
Bluetooth® phone, enabling checking and replying using the
audio system.
Depending on the type of Bluetooth® phone connected, received
messages may not be transferred to the message inbox.
If the phone does not support the message func ...
Data list / active test
1. DATA LIST
HINT:
Using the intelligent tester to read the DATA LIST allows
the values or states of switches, sensor, actuators and
other items to be read without removing any parts. This
non-intrusive inspection can be very useful because
intermittent conditions or signals may be discovered
...
Back-up Power Source Circuit
DESCRIPTION
This is the back-up power source for the A/C amplifier. Power is supplied
even when the ignition switch is
off and is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
(a) Remove the ECU-B fuse from the engine room juncti ...
