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Automotive vocabulary · Diagnostics, Service and Repair

Scan tool

Meaning in automotive, with examples

nounCore term

In automotive, scan tool means: A handheld device or laptop software that connects to the vehicle's diagnostic port to read and clear fault codes, view live data and run tests on control units.

In Turkish: arıza tespit cihazı, diagnostik cihazı, test cihazı

How it is used

Also called a scanner or diagnostic tool. A generic OBD scanner reads basic engine data; a dealer-level or OEM scan tool can also code parts, update software and run bidirectional (actuator) tests.

Example sentences

  1. Connect the scan tool and check the live data for fuel trims.

  2. Our generic scan tool can't code the new battery, so we need the dealer software.

Common collocations

  • connect the scan tool
  • dealer scan tool
  • live data
  • bidirectional control
  • diagnostic trouble codeA standard code stored by a control unit when it detects a fault, such as P0300. The first letter shows the system: P for powertrain, B for body, C for chassis and U for network.
  • OBD-IIShort for On-Board Diagnostics, second generation: a standard self-diagnosis system with a 16-pin connector that lets any scan tool read emission-related fault codes and live data.
  • diagnoseTo find the cause of a fault by checking the symptoms, reading data and testing parts step by step, before any repair is made.
  • actuatorA component that turns an electrical command from a control unit into movement, for example a motor that opens the throttle, moves a valve or locks a door.

More terms: Diagnostics, Service and Repair

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