Description
Factory BYD ATTO 3 Workshop Diagnostic Manual (2022-2023, e-Platform 3.0)
The BYD ATTO 3 (sold as Yuan Plus in China) is one of the most important electric vehicles launched in 2022 – BYD’s global-market compact EV built on the e-Platform 3.0 with the Blade Battery. This is the factory diagnostic manual used by BYD-authorized technicians for fault-finding, DTC diagnosis, and electrical troubleshooting across the entire vehicle.
Important – What This Manual Is and Isn’t
| What’s Inside | What’s NOT Inside |
|---|---|
| 644 DTC codes with diagnostic flowcharts, circuit diagrams with pin-outs, voltage/resistance test specs, connector locations, VDS scan-tool procedures, repair-decision trees | Mechanical tear-down steps, torque tables, body repair, service schedules, fluid capacities (this is a diagnostic manual, not a mechanical service manual) |
Vehicle Coverage
| Attribute | Detail |
|---|---|
| Vehicle | BYD ATTO 3 (export name) / Yuan Plus (China) |
| Platform | BYD e-Platform 3.0 with Blade Battery (LFP) |
| Drive | BEV – front permanent-magnet synchronous motor, FWD |
| Charging | AC via OBC, DC fast charging, DC-DC converter |
| Version | RHD – Australia, UK, Japan, Thailand, New Zealand markets |
| Years | 2022, 2023 (pre-facelift only – does not cover 2024+ ATTO 3 EVO) |
DTC Fault-Code Coverage (644 Unique Codes)
| Code Family | Count | Coverage |
|---|---|---|
| B-Codes (Body) | 258 | SRS airbag, seat occupancy, doors, mirrors, wipers, sunroof, lighting, HVAC, multimedia |
| P-Codes (Powertrain) | 216 | Battery leakage, HV contactors, cell voltage/temp, BMS comms, OBC, DC/AC charging, motor over-current/temp, HV interlock, DC-DC, VCU |
| C-Codes (Chassis) | 106 | ABS, ESC, TCS, wheel speed sensors, brake pressure, EPS torque/angle, electronic parking brake |
| U-Codes (Network) | 64 | CAN bus faults, gateway errors, module timeout, LIN bus |
High-Voltage EV System (882 pages – 27% of manual)
The high-voltage section is the single largest in the manual and what makes it valuable for EV-specific work: Blade Battery cell voltage/temperature monitoring and leakage detection, HV contactor and interlock diagnostics, Vehicle Control Unit (VCU) faults, DC-DC converter, On-Board Charger (OBC) AC charging faults, DC fast charging diagnosis, front permanent-magnet motor over-current/temperature, BMS communication, and insulation monitoring.
Section Breakdown (21 Sections, 3,211 Pages)
| Section | Pages |
|---|---|
| High Voltage System (battery, VCU, OBC, motor, BMS) | 882 |
| Brake System (Intelligent Power Braking, ABS/ESC/TCS) | 395 |
| A/C HVAC (heat pump, compressor, PTC heater) | 365 |
| SRS Airbag and Safety | 266 |
| Interior Lighting | 257 |
| Exterior Lighting | 217 |
| Rearview Mirror | 115 |
| Steering System (EPS) | 112 |
| ADAS (forward camera, radar, LDW, AEB, ACC) | 89 |
| Switch and Harness | 81 |
| Wiper and Washer | 74 |
| Instrumentation and Alarm | 59 |
| Roof (panoramic sunroof) | 59 |
| Networking (CAN, LIN, gateway) | 56 |
| Charging Port Cap Control | 55 |
| Access and Anti-theft | 53 |
| Low-voltage Power Supply (12V) | 46 |
| Horn, General Info, Suspension, Drive System | ~76 |
Format & Delivery
PDF, approximately 120 MB, fully searchable text (not scanned images). An estimated 1,460+ pages contain circuit diagrams and technical illustrations. Compatible with Windows, macOS, Linux, iOS, and Android. Instant download after checkout; lifetime re-downloads.
Frequently Asked Questions
Is this a full mechanical workshop manual?
No – this is an EV diagnostic and electrical troubleshooting manual. It excels at fault-finding (644 DTCs with flowcharts, circuit diagrams, pin-outs, test specs). It does not include mechanical tear-down procedures, torque specs, or body repair. For mechanical work, pair this with a mechanical service reference.
Does this cover the 2024 ATTO 3 EVO?
No. This manual is for the pre-facelift 2022-2023 ATTO 3 only. The 2024+ EVO is a separate generation with revised hardware.
Is LHD covered?
This manual is the RHD version. Some wiring paths and component locations may differ on LHD models. Core DTC flowcharts and circuit logic still apply.
What language?
English. Searchable text – you can find any DTC code, component, or procedure via keyword.
What format is delivered?
PDF (~120 MB, searchable). Instant download.
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