Toyota Sienna 2010-2025 Owners Manual: 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 trailer hitch, contact your Toyota dealer.
- Use only a hitch that conforms to the gross trailer weight requirement of your vehicle.
- Follow the directions supplied by the hitch manufacturer.
- Lubricate the hitch ball with a light coating of grease.
- Remove the trailer hitch whenever you are not towing a trailer. After removing the hitch, seal any mounting hole in the vehicle body to prevent entry of any substances into the vehicle.
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 ...
Selecting trailer ball
Use the correct trailer ball for your application.
Trailer ball load rating
Matches or exceeds the gross
trailer weight rating of the trailer.
Ball diameter
Matches the size of the tra ...
Other materials:
Diagnostic trouble code chart
HINT:
If a trouble code is displayed during the DTC check, check
the circuit indicated by the DTC. For details of each code,
turn to the page for the respective DTC Code. in the DTC
chart.
Inspect the fuse and relay before investigating the trouble
areas as shown in the table below.
...
Mobile Assistant
The Mobile Assistant feature will activate Apple’s Siri® Eyes Free mode via
the steering wheel switches. To operate the Mobile Assistant, a compatible
cellular phone must be registered and connected to this system via Bluetooth®.
Press and hold the until
you hear the beeps
...
Headlight Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls HEAD relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and ...
