2020 Toyota Yaris 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, Automatic Trans
- L, Standard Trans
- LE, 4D Hatchback
- LE, 4D Sedan, Automatic Trans
- LE, 4D Sedan, Standard Trans
- XLE, 4D Hatchback
- XLE, 4D Sedan
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 2019-2020 Yaris, Yaris Hatchback, and Yaris Sedan vehicles. An impeller within the low-pressure fuel pump may crack and deform,
A fuel pump failure may cause an engine stall, increasing the risk of a crash.
Dealers will replace the low-pressure fuel pump assembly, free of charge. Owner notification letter
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
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
Some 2005 2024 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
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
Showing the 8 most recent of 66 technical service bulletins on file with NHTSA.
The vehicle do unnecessary abrupt breaking in the highway when the road are reduced due to reparation. In addition in two times, when I tried to park to my garage in the back of other vehicle the brea
The vehicle do unnecessary abrupt breaking in the highway when the road are reduced due to reparation. In addition in two times, when I tried to park to my garage in the back of other vehicle the brea
The vehicle do unnecessary abrupt breaking in the highway when the road are reduced due to reparation. In addition in two times, when I tried to park to my garage in the back of other vehicle the brea
This 2020 Yaris is registered to me but driven by my daughter to her workplace less that 3 miles away. The first incident involved the engine laboring to start and when she came home, the battery was
This 2020 Yaris is registered to me but driven by my daughter to her workplace less that 3 miles away. The first incident involved the engine laboring to start and when she came home, the battery was
Showing the 5 most serious of 16 complaints filed with NHTSA.
