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Pre-Interview Cheatsheet

EV / Hybrid Vehicle Specialist — Confidence Cheatsheet

A printable, focused refresher tuned for EV / Hybrid Vehicle Specialist. Open the sections that matter to you and walk in confident.

Tuned for EV / Hybrid Vehicle Specialist · Licensed & Regulated Roles > EV & Automotive
  • Know high-voltage safety, battery systems, inverters, motors, regenerative braking, charging and thermal management.
  • Understand lockout/tagout, PPE, isolation checks and diagnostic scan tools.
  • Refresh BMS, state of charge, state of health, DC/AC charging and insulation resistance.
  • Strong EV answers emphasize safety before diagnostics.
  • Be ready to explain how hybrid/EV systems differ from ICE vehicles.
  • BMS: battery management system.
  • SOC: state of charge.
  • SOH: state of health.
  • Inverter: converts DC battery power to AC motor power.
  • Regenerative braking: recovers energy during deceleration.
  • HV safety: identify system, isolate, verify zero energy, use PPE, follow manufacturer procedure.
  • EV diagnostic: scan codes, check service data, inspect connectors/cooling, measure safely, validate repair.
  • Battery issue: temperature, balance, SOC/SOH, cooling, charging behavior.
  • Charging: supply, onboard charger, connector, communication, battery acceptance.
  • What safety steps are required for EV work?
  • Explain BMS.
  • How does regenerative braking work?
  • What is the role of an inverter?
  • How do you diagnose charging issues?
  • Casual attitude to high voltage.
  • No isolation verification.
  • Treating EV like ordinary 12V system.
  • Replacing expensive parts without diagnosis.
  • Ignoring thermal management.
  • Safety-certified mindset.
  • Understands electrical and mechanical integration.
  • Uses manufacturer procedures.
  • Explains EV concepts clearly.
EV work starts with safety: isolate high voltage, verify, diagnose systematically, and respect battery/thermal systems.