BYD ATTO 3 Workshop Repair and Service Manual 2022-2023 PDF Download

BYD ATTO 3 Workshop Repair and Service Manual 2022-2023

BYD ATTO 3 (Yuan Plus) Workshop Manual PDF — English language, RHD version. 3,211 pages of factory-level EV diagnostic and electrical troubleshooting content covering 644 unique diagnostic trouble codes with complete flowcharts, circuit diagrams, and pin-out specifications. Built on BYD’s e-Platform 3.0 with Blade Battery technology.

Diagnostic manual used by BYD-approved garages and dealer technicians.

IMPORTANT — What This Manual IS:
This is a comprehensive EV diagnostic and electrical troubleshooting manual — the type used by BYD dealer technicians for fault-finding, DTC diagnosis, and electrical system troubleshooting. Every system follows a structured approach: DTC description with symptoms and fault conditions, step-by-step diagnostic flowcharts with decision trees, circuit diagrams with terminal/pin definitions, voltage/resistance/continuity test specifications, connector locations, VDS scan tool procedures, and repair/replace decision trees.

IMPORTANT — What This Workshop Manual Does Not Cover:
This is NOT a full mechanical workshop/service manual. It does not include step-by-step mechanical removal/installation procedures, torque specifications, body repair methods, routine service schedules, fluid capacities, or exploded-view assembly diagrams. If you need mechanical tear-down procedures, this manual should be used alongside a mechanical workshop manual.

Vehicle:
BYD ATTO 3 (export name) / Yuan Plus (Chinese market name)
e-Platform 3.0 with Blade Battery
Pre-facelift model (does not cover the 2024+ ATTO 3 EVO)

Drive Configuration:
RHD (Right-Hand Drive) version — for markets including Australia, UK, Japan, Thailand, New Zealand. Some wiring paths and component locations may differ on LHD models.

Powertrain:
Full Electric Vehicle (BEV)
Front permanent magnet synchronous motor
Blade Battery (LFP) high-voltage system
On-Board Charger (OBC) for AC charging
DC fast charging capability
DC-DC converter
Vehicle Control Unit (VCU)
Battery Management System (BMS)

Years: 2023, 2022

Languages: English

Format: PDF (3,211 pages, ~120 MB, searchable text)

Compatibility:
Windows 11, 10, 8. 7. Vista, XP. Mac, Linux, Android, IOS + All Tablets & Phones

DTC FAULT CODE COVERAGE — 644 Unique Codes:
B-Codes (Body) — 258 codes: Airbag system, seat occupancy sensors, door locks, mirrors, wipers, panoramic sunroof, all lighting systems, HVAC controls, steering wheel switches, instrument cluster, multimedia.
P-Codes (Powertrain) — 216 codes: Battery leakage detection, HV contactor faults, voltage/temperature cell sampling, overcharge/overdischarge protection, BMS communication, OBC faults, DC/AC charging system, motor overcurrent/overtemperature, HV interlock circuit, DC-DC converter, VCU faults.
C-Codes (Chassis) — 106 codes: ABS/ESC/TCS, wheel speed sensors, brake pressure sensors, EPS torque/angle faults, electronic parking brake.
U-Codes (Network) — 64 codes: CAN bus communication faults, gateway errors, module timeout, LIN bus faults.

SECTION BREAKDOWN (21 Sections, 3,211 Pages):
General Service Information (30 pages): Overview and general diagnostic procedures.- High Voltage System (882 pages — 27% of manual): Power battery diagnostics, HV electronic control, Vehicle Control Unit (VCU), DC-DC converter, On-Board Charger (OBC), front motor diagnostics, Battery Management System (BMS), HV interlock, cell voltage/temperature monitoring, contactor control, insulation monitoring, charging fault diagnosis.- Suspension System (8 pages): Suspension diagnostic procedures.- Drive System (6 pages): Drive system diagnostics.- Brake System (395 pages): Intelligent Power Braking system, ABS/ESC/TCS diagnostics, wheel speed sensor diagnosis, brake pressure fault codes, electronic parking brake.- Steering System (112 pages): Electric Power Steering (EPS) diagnostics, torque and angle sensor diagnosis, EPS motor faults.- Wiper and Washer (74 pages): Wiper motor, washer pump, rain sensor diagnostics.- Roof — Panoramic Sunroof (59 pages): Sunroof motor, position sensor, anti-pinch diagnostics.- Rearview Mirror (115 pages): Electric folding, heating, auto-dimming mirror diagnostics.- Safety and Protection — SRS (266 pages): Airbag system, crash sensors, seat occupancy, seatbelt pretensioners, SRS ECU diagnostics.- Access and Anti-theft (53 pages): Keyless entry, immobiliser, remote key diagnostics.- Charging Port Cap Control (55 pages): Charging port actuator, locking mechanism diagnostics.- Low-voltage Power Supply (46 pages): 12V system, fuse/relay diagnostics, power distribution.- Instrumentation and Alarm (59 pages): Instrument cluster, warning lamps, driver information diagnostics.- Driver Assistance — ADAS (89 pages): Forward camera, radar sensors, lane departure, emergency braking, adaptive cruise control diagnostics.- Networking and Communication (56 pages): CAN bus, LIN bus, gateway module, inter-module communication diagnostics.- Exterior Lighting (217 pages): Headlamps, DRL, turn signals, tail lamps, fog lamps, complete lighting circuit diagnostics.- Interior Lighting (257 pages): Ambient lighting, dome lights, reading lights, footwell lighting diagnostics.- A/C — HVAC (365 pages): Heat pump system, compressor, condenser, evaporator, cabin temperature control, PTC heater, refrigerant circuit diagnostics.- Horn (32 pages): Horn circuit diagnostics.- Switch and Harness (81 pages): Steering column switches, door switches, wiring harness diagnostics.

Special Features:
3,211 Pages of Factory Diagnostic Content
644 Unique DTC Fault Codes with Full Flowcharts
882 Pages of High-Voltage EV System Diagnostics
Estimated 1,460+ Pages with Circuit Diagrams
Complete Pin-Out and Connector Location Data
VDS (Vehicle Diagnostic System) Scan Tool Procedures
Voltage, Resistance, and Continuity Test Specs

BYD ATTO 3 2022-2023 Workshop Manual PDF

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Frequently Asked Questions

What BYD ATTO 3 model does this workshop manual cover?

This workshop manual covers the BYD ATTO 3 (known as Yuan Plus in China) built on the e-Platform 3.0 with Blade Battery technology. This is the RHD (right-hand drive) English-language version covering the pre-facelift model sold from 2022 in markets including Australia, UK, Japan, Thailand, and New Zealand. The manual was compiled in February 2023 during the first-generation production run. It does not cover the 2024 ATTO 3 EVO facelift model. The manual totals 3,211 pages with 644 unique diagnostic trouble codes.

What high-voltage EV systems are covered in this manual?

The high-voltage system section is the largest in the manual at 882 pages (27% of total content). It covers power battery diagnostics with cell voltage and temperature monitoring, HV electronic control with contactor and interlock circuit diagnosis, Vehicle Control Unit (VCU) faults, DC-DC converter diagnostics, On-Board Charger (OBC) for AC charging faults, DC fast charging diagnosis, front permanent magnet synchronous motor diagnostics including overcurrent and overtemperature faults, Battery Management System (BMS) communication, and insulation monitoring. This section contains 216 powertrain DTC codes with complete diagnostic flowcharts.

Is this a full workshop manual or a workshop manual?

This is a diagnostic and electrical troubleshooting manual, not a full mechanical workshop service manual. It excels at fault-finding with 644 DTC codes, diagnostic flowcharts, circuit diagrams, pin-out specifications, and voltage/resistance test values. It does NOT include step-by-step mechanical removal and installation procedures, torque specifications, body repair methods, routine service schedules, or fluid capacities. For comprehensive coverage, this workshop manual is best used alongside a mechanical service manual. For electrical fault diagnosis and DTC troubleshooting, this manual is exceptionally detailed and comprehensive.

Does this cover ADAS driver assistance and brake diagnostics?

Yes. The ADAS section (89 pages) covers forward camera, radar sensor, lane departure warning, autonomous emergency braking, and adaptive cruise control diagnostics. The brake system section is one of the largest at 395 pages, covering the Intelligent Power Braking system with ABS, ESC, and TCS diagnostics, wheel speed sensor fault codes, brake pressure sensor diagnosis, and electronic parking brake. The steering section (112 pages) covers Electric Power Steering with torque and angle sensor diagnosis.

What format is this BYD ATTO 3 workshop manual provided in?

This manual is delivered as a searchable PDF document (3,211 pages, approximately 120 MB) available for instant download. The text is fully searchable — not scanned images — so you can search for any DTC code, component name, or procedure instantly. The PDF works on all devices including Windows, Mac, Linux, Android, iOS, tablets, and phones. No installation required. An estimated 1,460 pages contain circuit diagrams and technical illustrations.