2016 Toyota Sienna Service and Repair Manual

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Factory-Grade Data

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

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Vehicle Safety Data

2016 Toyota Sienna Recalls & Complaints

NHTSA #16V85800029/11/2016Component: STRUCTURE:BODY:DOOR

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

Consequence

If door opens while the vehicle is moving, there would be an increased risk of injury to the vehicle

Remedy

Toyota will notify owners, and dealers will replace the junction block, rear sliding door wire harne

NHTSA #19V55300025/07/2019Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

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

Consequence

The contact may cause failure of the rear brake hoses, resulting in a loss of vehicle control and re

Remedy

Vantage will notify owners, and dealers will install a set of rear brake hoses that will provide the

NHTSA #25V87600017/12/2025Component: EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANC

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

Consequence

An unsecured wheelchair can move during transit, increasing the risk of injury.

Remedy

Rollx will work with Q'Straint to inspect and replace the retractors as necessary, free of charge. O

NHTSA #16V19700007/04/2016Component: SEAT BELTS:FRONT

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

Consequence

Failure and detachment of seat belt height adjuster would result in the occupant not being properly

Remedy

Toyota will notify owners, and dealers will replace the front seat belt height adjusters, free of ch

NHTSA #19V41000004/06/2019Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, A

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

Consequence

The reduction in the braking system pressure may cause a loss of braking power in the rear braking s

Remedy

Braun has notified owners, and dealers will install an adaptor to correct the issue, free of charge.

TSB #11028712

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

TSB #11022964

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.

TSB #11020657

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

TSB #11012744

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

TSB #11012743

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

TSB #11012742

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

TSB #11012735

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

TSB #11012727

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 291 technical service bulletins on file with NHTSA.

20181206Component: AIR BAGSCrash reported1 injured

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

20160928Component: AIR BAGSCrash reported1 injured

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

20160928Component: STEERINGCrash reported1 injured

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

20230618Component: AIR BAGSCrash reported

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

20210319Component: STEERINGCrash reported

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.

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