08/17/2026 updated
100 % available
Automotive ECU Spec & Homologation Specialist | Technical Writing & Compliance（Japan）
Kanagawa, Japan
Worldwide
Master's degree in EngineeringAbout me
Former Japanese OEM ECU Engineer with 3+ years of experience in control logic, CARB/OBD compliance, and technical documentation. Experienced in global collaboration and cross-cultural communication to resolve complex spec alignment and compliance challenges for Japan market entry.
Automotive EngineeringComplianceEmbedded CTechnical WritingsECU-TEST
■ Core Expertise & Technical Skills
• Automotive Technical Writing & Spec Review: Reviewing, drafting, and localizing ECU control specifications and technical documentation to align with Japanese OEM standards.
• OBD & Compliance Documentation: Reviewing and checking documentation for J-OBD, CARB/OBD, and relevant vehicle diagnostic requirements.
• ECU & Control Logic Understanding: Background in control logic specification, diagnostic logic, and fail-safe design for automotive control systems.
• Spec Localization & Gap Analysis: Reviewing overseas technical specifications against Japanese OEM documentation styles and identifying engineering/terminology gaps.
■ Domain Knowledge & Standards
• Systems: ECU Specification, Powertrain/Vehicle Control Logic, On-Board Diagnostics (OBD/OBD-II/J-OBD), CARB Compliance.
• Documentation & Process: Technical Writing, Specification Review, Document Localization, Engineering Communication.
■ Languages & Cross-Border Collaboration
• Japanese: Native (Fluent in Japanese engineering terminology, OEM-style spec formatting, and business communication).
• English: Intermediate (Reading & Writing) — Strong capability in reading, analyzing, and drafting technical specifications and documentation. Preferred text-based communication.
Experience
Professional experience5 - 10 years
Freelancer since2017
Languages
EnglishGoodJapaneseNative speaker
Project history
• Engineered and reviewed ECU control logic specifications and diagnostic requirements for engine control systems.
• Managed and drafted technical documentation for CARB/OBD emissions compliance, ensuring full alignment with regulatory standards.
• Conducted vehicle/ECU diagnostic tests using ETAS INCA, verifying diagnostic logic, error handling, and fail-safe performance.
• Provided technical documentation support and specification alignment between internal engineering departments and external system suppliers.