{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/kezarjg/etnga-obd/blob/817da3ec8ab83bf31f000b0d1c85716280ccd843/ecus/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "etnga-obd maps the OBD-II diagnostic surface of Toyota eTNGA vehicles, including the bZ4X, Subaru Solterra and Lexus RZ. It records UDS over ISO-TP addresses, gateway sub-targets, decoded telemetry formulas and selected broadcast CAN frames, with confidence levels for individual findings.",
  "description_zh": "etnga-obd 绘制 Toyota eTNGA 平台车辆的 OBD-II 诊断接口映射，涵盖 bZ4X、Subaru Solterra 和 Lexus RZ。资料记录 UDS over ISO-TP 地址、网关子目标、遥测计算公式及部分广播 CAN 帧，并为各项发现标注可信度。",
  "entry_url": "https://awesomerea.org/resources/etnga-obd-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/etnga-obd-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/kezarjg/etnga-obd/blob/817da3ec8ab83bf31f000b0d1c85716280ccd843/README.md",
  "group": "cases",
  "id": "etnga-obd-case",
  "json_url": "https://awesomerea.org/resources/etnga-obd-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/etnga-obd-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/etnga-obd-case/index.md",
  "name": "etnga-obd: mapping Toyota eTNGA vehicle diagnostics",
  "name_zh": "etnga-obd：绘制 Toyota eTNGA 车辆诊断协议映射",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "Access to an eTNGA vehicle's OBD-II diagnostic bus is needed for independent captures.",
    "Coverage is limited to read-only OBD-II diagnostics and visible broadcast frames; three standardized-range IDs remain unidentified.",
    "MIT license for bin/ code; CC BY 4.0 for documentation and decoded knowledge."
  ],
  "requirements_zh": [
    "自行采集数据需要接入 eTNGA 车辆的 OBD-II 诊断总线。",
    "范围限于只读 OBD-II 诊断及可见广播帧；三个标准地址范围内的 ID 尚未识别。",
    "bin/ 代码采用 MIT 许可证；文档和解码知识采用 CC BY 4.0。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/kezarjg/etnga-obd",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}