🏷️ Basic Information

Make:

Toyota

Model:

Yaris

Product Name:

Toyota Yaris 2012-2017 EWD Electrical Wiring Diagrams

Part Number:

EM1777E

Model Generation:

XP90 (facelifted) / XP130 (third generation)

Chassis Codes Covered:

KSP130, NLP130, NSP130, NSP131

👋 Introduction

Segment:

Subcompact Hatchback / Sedan

Target Audience:

Automotive technicians, DIY mechanics, fleet maintenance personnel, automotive enthusiasts with electrical diagnostic needs.

Competitors:

Honda Fit, Ford Fiesta, Chevrolet Sonic, Hyundai Accent, Kia Rio, Volkswagen Polo.

Vehicle Strengths:

Fuel efficiency, reliability, compact size, maneuverability, affordable ownership.

Manual Value Proposition:

Essential for accurate electrical diagnosis and repair, significantly reducing troubleshooting time and ensuring correct component functionality. Crucial for advanced repairs and modifications.

📋 Manual Details

Years Covered:

2012, 2013, 2014, 2015, 2016, 2017

Regions Covered:

Global (specific to models equipped with relevant electrical systems)

Estimated Page Count:

Varies based on specific model/engine/trim, typically 300-600 pages for comprehensive EWDs.

Type:

Electrical Wiring Diagram (EWD) Manual / Service Manual Supplement

Language:

English

Format:

Digital (likely PDF, often provided on CD/DVD or downloadable link)

📖 Manual Coverage

Electrical Systems:

Engine Control System (ECU), Fuel System, Ignition System, ABS, Airbag System (SRS), Power Steering, HVAC, Lighting (Headlights, Tail Lights, Interior), Audio System, Power Windows/Locks, Wiper/Washer System, Meter/Gauge System, Starting System, Charging System, Body Control Module (BCM), Immobilizer System, Keyless Entry, Cruise Control, Power Mirrors, Rear Defogger, Horn, Fuse/Relay Boxes.

Diagnostic Procedures:

Troubleshooting electrical faults, identifying component locations, tracing wire harnesses, understanding circuit operation, interpreting diagnostic trouble codes (DTCs) related to electrical systems.

Repair Procedures:

Wiring harness repair, connector diagnosis and repair, component replacement wiring checks, fuse and relay function testing.

Depth:

Highly detailed, focusing exclusively on electrical circuits. Includes power distribution, ground points, signal flow, wire colors, connector pinouts, and component identification within the electrical system architecture.

📊 Manual Specifications

Digital Format:

Likely PDF, optimized for searchability and clarity of diagrams.

Diagram Clarity:

High resolution, ensuring readability of complex wiring diagrams, wire colors, and component labels.

Binding:

Not Applicable (digital format)

Paper Quality:

Not Applicable (digital format)

⚙️ Engine Specifications

Engine Code Ksp130:

1KR-FE (1.0L 3-cylinder, naturally aspirated)

Engine Code Nlp130:

1ND-TV (1.4L 4-cylinder Turbo Diesel - primarily European/Asian markets)

Engine Code Nsp130/Nsp131:

1NR-FE (1.3L 4-cylinder, naturally aspirated)

Engine Code Nsp130 Variant:

1NZ-FXE (1.5L Hybrid Synergy Drive - Japan/select markets)

1Kr-Fe Horsepower:

Approx. 69 HP (51 kW)

1Kr-Fe Torque:

Approx. 94 Nm (69 lb-ft)

1Nr-Fe Horsepower:

Approx. 99 HP (73 kW)

1Nr-Fe Torque:

Approx. 125 Nm (92 lb-ft)

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline (for petrol engines), Diesel (for diesel engine)

🔧 Transmission

Transmission Type Base:

5-speed Manual Transmission (MT)

Transmission Type Optional:

Continuously Variable Transmission (CVT) - 'Super CVT-i'

Transmission Type Hybrid:

Hybrid System Transmission (eCVT)

Cvts Features:

Smooth acceleration, fuel economy optimization, often includes 'Sport' or 'Eco' modes.

📐 Dimensions

Length:

Approx. 3,950 mm (155.5 in) for Hatchback, slightly longer for Sedan variants.

Width:

Approx. 1,695 mm (66.7 in)

Height:

Approx. 1,510 mm (59.4 in) for Hatchback, 1,455 mm (57.3 in) for Sedan.

Wheelbase:

Approx. 2,510 mm (98.8 in)

Passenger Capacity:

5

Cargo Volume Hatchback:

Approx. 286 liters (10.1 cu ft) with rear seats up.

Curb Weight Min:

Approx. 900 kg (1984 lbs) for 1.0L MT model.

Curb Weight Max:

Approx. 1150 kg (2535 lbs) for Hybrid models.

🛡️ Safety Features

Euro Ncap Rating:

Typically 5 Stars for models tested within this generation (e.g., 2012 assessment).

Active Safety:

Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), Brake Assist (BA), Traction Control (TRC), Vehicle Stability Control (VSC) - availability varies by market and trim.

Passive Safety:

Front airbags (driver/passenger), side airbags, curtain shield airbags (optional/market dependent), front seatbelt pretensioners with force limiters, ISOFIX child seat anchors.

💡 Technology Features

Infotainment System:

Toyota Touch & Go infotainment system available on higher trims, featuring touchscreen, Bluetooth connectivity, USB integration, navigation (optional). Base models often have simpler audio systems.

Driver Assistance Features:

Rearview camera, parking sensors (optional/market dependent), cruise control. Advanced driver assistance systems (ADAS) like adaptive cruise control or lane keeping assist were generally not available on this generation Yaris.

Connectivity Options:

Bluetooth for hands-free calling and audio streaming, USB port for media playback and device charging.

🔧 Maintenance

Oil Change Interval:

Typically every 10,000 km (6,200 miles) or 12 months, whichever comes first. Check owner's manual for specific engine/oil type recommendations.

Air Filter Replacement:

Every 40,000 km (25,000 miles) or as needed based on driving conditions.

Spark Plug Replacement:

Iridium type spark plugs typically have longer intervals, e.g., 100,000-120,000 km (60,000-75,000 miles).

Engine Oil Type 1Nr-Fe:

SAE 0W-20, API SN/SN+ or ILSAC GF-5 certified.

Engine Oil Capacity 1Nr-Fe:

Approx. 3.7 Liters (3.9 US Quarts) with filter change.

Transmission Fluid Cvt:

Toyota Genuine CVTF FE

Coolant Type:

Toyota Super Long Life Coolant (SLLC) - Pink

Common Electrical Issues:

Intermittent power window malfunctions, issues with door lock actuators, occasional issues with infotainment system responsiveness, potential for minor sensor faults (e.g., ambient temperature sensor).

Common Mechanical Issues:

Minor oil consumption in high-mileage engines, potential clutch wear on manual transmissions, some reports of water pump leaks.

📚 Vehicle History

Toyota Reputation:

Renowned for reliability, durability, and quality (Toyota Production System).

Yaris Heritage:

Successor to the Toyota Starlet, first launched in 1999. Known for its practicality and fuel efficiency in the small car segment.

Manufacturing Locations:

Primary plants include Japan, Thailand, France, and others depending on regional market.

Generation Transition:

The 2012 model year marks the introduction of the third generation (XP130), replacing the previous generation (XP90, which received a facelift for its later years).

🏆 Awards & Recognition

Safety Awards:

Consistent strong performance in safety tests like Euro NCAP, contributing to its reputation as a safe small car.

Reliability Ratings:

Consistently rated highly for reliability by consumer reporting agencies (e.g., JD Power, Consumer Reports) due to Toyota's engineering and manufacturing quality.

Emissions Certifications:

Meets various regional emissions standards (e.g., Euro 5, EPA standards) depending on market of sale.