2016 Toyota Sienna service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications, torque values, and reference data
- Electrical diagnostics with full wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
- Diagnostic trouble codes and troubleshooting flow
- Maintenance schedules and fluid capacities
Trims covered
- L, Van Cargo
- L, Van Passenger
- LE
- Limited
- SE
- XLE
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Maintenance & Lubrication
- Specifications
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Diagnostic Trouble Codes
- Technical Service Bulletins
- Wiring Diagrams
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2011-2016 Toyota Sienna minivans manufactured January 4, 2010, to August 12, 2016. If the power sliding door is unabl
If door opens while the vehicle is moving, there would be an increased risk of injury to the vehicle
Toyota will notify owners, and dealers will replace the junction block, rear sliding door wire harne
Vantage Mobility International, LLC (Vantage) is recalling certain 2012-2018 AMS Genesis wheelchair vans, built on a Toyota Sienna vehicles. The rubber brake hoses that attach to the rear wheel assem
The contact may cause failure of the rear brake hoses, resulting in a loss of vehicle control and re
Vantage will notify owners, and dealers will install a set of rear brake hoses that will provide the
Rollx Vans (Rollx) is recalling certain GMC Yukon, Sierra, Chevrolet Express 2500, Ford Transit, E-250, Toyota Sienna, Sienna Hybrid, Honda Odyssey, Chrysler Town and Country, Voyager, Pacifica, Dodge
An unsecured wheelchair can move during transit, increasing the risk of injury.
Rollx will work with Q'Straint to inspect and replace the retractors as necessary, free of charge. O
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2016 Toyota Sienna vehicles manufactured February 15, 2016, to February 19, 2016. In the affected vehicles, incorrect
Failure and detachment of seat belt height adjuster would result in the occupant not being properly
Toyota will notify owners, and dealers will replace the front seat belt height adjusters, free of ch
Braun Corporation (Braun) is recalling certain 2014-2019 Toyota Sienna mobility van conversions. The brake lines may have incorrect tube nut fittings installed, which may cause a pressure drop within
The reduction in the braking system pressure may cause a loss of braking power in the rear braking s
Braun has notified owners, and dealers will install an adaptor to correct the issue, free of charge.
Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic
Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Free volume being too low.
The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl
To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and in
Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood
Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure i
Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the
Showing the 8 most recent of 122 technical service bulletins on file with NHTSA.
I HAD CAR ACCIDENT TODAY AND GOT HI MY LEFT FRONT WND REALLY GOOD AND THE POLICE SEEN MY CAR'S AIR BAG DID NOT GO OFF-IT DIDN'T SHOWS UP.MY FACE GOT HITTED BY STEERING WHEEL.I WAS DRIVING ON CITY OF P
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING APPROXIMATELY 65 MPH, THE CONTACT LOST CONTROL OF THE STEERING WHEEL. THE CONTACT WAS NOT ABLE TO STOP THE VEHICLE AND THE ELECTRONIC BRAKE WAR
TL* THE CONTACT OWNS A 2016 TOYOTA SIENNA. WHILE DRIVING APPROXIMATELY 65 MPH, THE CONTACT LOST CONTROL OF THE STEERING WHEEL. THE CONTACT WAS NOT ABLE TO STOP THE VEHICLE AND THE ELECTRONIC BRAKE WAR
A deer was struck on the driver to middle of the front of the van while traveling 75 mph on the highway. Caused significant enough damage that van was inoperable. What was concerning was the airbags
TL* THE CONTACT OWNED A 2016 TOYOTA SIENNA. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, THE STEERING WHEEL STIFFENED, WHICH RESULTED IN HER CRASHING THE VEHICLE INTO THE HIGHWAY SIDE BARRIER AND
Showing the 5 most serious of 98 complaints filed with NHTSA.
