BYD T3 Service Manual, Wiring Diagrams & Fault Codes Online

What is available for the BYD T3

Edition	Steering	Manuals	Updated
BYD T3 RHD	Right-hand drive (RHD)	Workshop Service Manual Wiring Diagrams Diagnostic Service Manual	September 2026

Last updated: September 2026

What's inside the BYD T3 manuals

Workshop Service Manual

809 procedures · 8 chapters

Manual Name and General Table of Contents1ETP3 Service Manual - hide · Table of Contents booklists - hide
Overview30Introduction · General Repair Information · Vehicle Information
Maintenance65Maintenance information
Power61High-voltage System · Thermal management system · Acceleration System · Vehicle Control · Power Accessories
Chassis147Suspension System · Drive System · Brake System · Steering System
Vehicle Body148Front and Rear Sheet Metal Parts · Windshield · Wiping and Washing · Door
Interior & Exterior Trims167Bumper · Instrument Panel System · Side Mirror · Seat · Door Trims · Other Trims
Electrical190Supplemental Restraint System · Entry and Immobilizer System · Low-voltage Power Supply and Distribution · Instrument and Warning System · Driver Assistance · Comfort and Convenience System · IVI · Network and Communication · Interior Light System · Exterior Light System · A/C · Switch, Wiring Harness and Panel

Wiring Diagrams

326 diagrams · 6 chapters

Overview6Drawing Description · Terms and Abbreviations · Common Electrical Symbols · Common Connector Disconnection Method · Common Connector Clamping Structures · Circuit Testing
Distribution and Description of Distribution Box6Front Compartment Distribution Box · Instrument Distribution Box
Power - Circuit Diagram2Front Compartment Power - Circuit Diagram · Instrument Power - Circuit Diagram
Ground Point - Circuit Diagram4Front Compartment Ground Point - Circuit Diagram · Instrument Ground Point - Circuit Diagram · Body (Floor) Ground Point - Circuit Diagram · Tailgate Ground Point - Circuit Diagram
Wiring Harness Layout267Connector · Ground Point · Terminal Definition (Front Compartment Wiring Harness) · Terminal Definition (Floor Wiring Harness) · Terminal Definition (Instrument Panel Wiring Harness) · Terminal Definition (Tailgate Wiring Harness) · Terminal Definition (Ceiling Wiring Harness) · Terminal Definition (Four-Door Wiring Harnesses) · Terminal Definition (Rear Bumper Wiring Harness) · Front Compartment Wiring Harness · Instrument Panel Wiring Harness · Floor Wiring Harness · Tailgate Wiring Harness · Ceiling Wiring Harness · Rear Bumper Wiring Harness · Right front door wiring harness · Left front door wiring harness · BJG04 · GJB04A · GJB04B · GJB01 · BJG01 · GJB02 · BJG02 · GJB03 · BJG03 · GJP01 · PJG01 · KJB05 · BJK05 · KJG01 · GJK01A · GJK01B · KJG02 · GJK02 · KJYa01 · YaJK01 · RJK01 · KJR01 · TJG01 · GJT01 · UJG01 · GJU01 · UJG02 · GJU02 · VJK01 · KJV01 · WJK01 · KJW01 · YJYa01 · YaJY01 · YJYa02 · YaJY02 · Eb01 · Eb02 · Eb03 · Eb04 · Eb05 · Eb06 · Eb07 · Eb08 · Eb09 · Eg02 · Eg03 · Eg04 · Eg05 · Eg06 · Eg07 · Eg08 · Eg09 · Eg10 · Ek01 · Ek02 · Ek03 · Ek04 · Ek05 · Ey01 · Eya01 · Y12 · B01(A) · B01(B) · B02(A) · B02(B) · B03 · B04 · B05(A) · B05(C) · B05(D) · B05(E) · B06(A) · B06(C) · B06(D) · B06(E) · B07(A) · B07(B) · B08 · B09(A) · B09(B) · B10(A) · B10(B) · B12 · B13 · B14(A) · B14(B) · B16(A) · B16(B) · B17 · B20(A) · B20(B) · B23 · B28 · B29 · B32 · B34 · B43 · B44 · B46 · B49 · B51 · B53 · B53(A) · B53(B) · B54 · B55 · B66 · B67 · B74 · B77 · BA17 · BA22 · BA31 · BA35 · BG64 · BK49 · BK51 · BG44 · BG82 · BG28 · BG84 · K01(C) · K01 · K02(A) · K02(B) · K02(C) · K05(A) · K05(B) · K05(C) · K05(D) · K08(A) · K08(B) · K09(A) · K09(B) · K17 · K18 · K25(A) · K25(B) · K31 · K56 · K57(A) · K57(B) · KG10 · KG33 · KG56 · KG87 · K02(D) · K02(F) · K02(G) · K02(E) · K02(H) · K13 · K20 · K45(A) · K45(B) · K51 · KB34 · KG48 · G01(A) · G01(B) · G02(A) · G02(B) · G03 · G04 · G05 · G06 · G07(A) · G07(B) · G07(C) · G09(A) · G09(B) · G10 · G11 · G13 · G14 · G15 · G16 · G18 · G19 · G21(A) · G21(B) · G21(C) · G22 · G24 · G25(A) · G25(B) · G28 · G31 · G32 · G34 · G36 · G39 · G41 · G47 · G64(A) · G64(B) · G64(C) · G65 · G76(A) · G76(B) · G79 · G82 · G83 · G84 · G86 · G87(C) · G87 · G87(A) · G88(A) · G89 · GK14 · GK32 · GK35 · G23 · G30 · G07 · GK33 · YaK20 · YaK22 · YK16 · YK21(A) · YK21(B) · YK23 · YK24 · YK25 · YK27 · YK30(A) · YK30(B) · YK36 · P01(A) · P01(B) · P01(B)_1 · P12 · PK12 · T01 · T02 · T03 · U05 · T06 · U08 · U01 · U02 · U03 · T05 · U06 · R02(A) · R02(B) · R03(A) · R03(B)
System circuit diagram41Power Battery · High Voltage Drive System · High Voltage Cable and Charging Port · Shift Control · Steering System · Brake System · Assisted Driving · Door Lock · Exterior Lighting System · Interior Lighting System · Instrumentation and Warning Systems · Multimedia System · Networking and Communication · Air Conditioning System · Supplemental Restraint System · Low Voltage Power and Distribution · Wiper and Washer · Window Lift System · Rearview Mirror · Seat

Diagnostic Service Manual

843 diagnostic topics · 6 chapters

Overview11General Service Information
Power247High Voltage System · Vehicle System
Chassis225Suspension System · Drive System · Brake System · Steering System
Body16Wiper and Washer
Interior and Exterior Trim7Electric Outside Rearview Mirror
Electrical337Safety and Protection System · Access and Anti-theft System · Instrumentation and Warning Systems · Driver Assistance · Comfort and Convenience System · Media Entertainment · Interior Lighting System · Exterior Lighting System · Air Conditioner · Switch and Wiring Harness · Networking and Communication

BYD T3 workshop service manual

Step-by-step repair instructions with pictures, specifications and tightening torques.

Remove and install parts in the right order
Look up torque values, fluids and capacities
Follow safety steps, e.g. high-voltage power-off

High-voltage safety steps for BYD EVs.

BYD T3 wiring diagrams

Drawings that show how every wire, connector, fuse, relay and control module in the car is connected.

Trace a wire from one part to another
Find which fuse or relay feeds a circuit
Check connector pin numbers and wire colours

In the diagram viewer every clickable component code is marked in blue: click it to see every linked diagram and where the part sits in the car. How to read BYD wiring diagrams.

BYD T3 diagnostic manual (fault codes)

Guides for finding faults: what each fault code (DTC) means and the tests that find the cause.

Look up a fault code (DTC) and its causes
Follow step-by-step tests with expected values
Diagnose a symptom when there is no code

Guide to BYD fault codes (DTC).

Right-hand drive or left-hand drive?

The electronics and mechanics are the same. What changes is where parts are, because the driver sits on the other side.

Who uses it

Independent workshopsRepair BYD cars without waiting for dealer information.

Auto electriciansTrace circuits, fuses, connectors and pin numbers in minutes.

Fleet & taxi mechanicsKeep BYD fleets on the road with the right procedures.

EV techniciansFollow high-voltage safety steps and battery system procedures.

Frequently asked questions

Is there a BYD T3 wiring diagram?

Yes. The BYD T3 wiring diagrams are online, with clickable fuses, relays, connectors and pin numbers.

Is the BYD T3 service manual a PDF?

No. The manuals open online in your browser, page by page, with search and links between topics, on a phone or a PC. There are no large files to download.

Which version should I use, RHD or LHD?

The BYD T3 is available in the RHD version. Use the version that matches the steering side when tracing wires or doing repairs; fault codes and tests are the same for both.

How much does BYD T3 manual access cost?

One plan opens every model and manual on the site: day $5.00 per day, Weekly $25.00 per week, Monthly $50.00 per month, yearly $220.00 per year, 2 year $320.00 per 2 years. No automatic renewal.

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BYD T3 workshop service manual, wiring diagrams & diagnostic manual (fault codes)