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Scanner Scanner Operation
Main menu options vary slightly by the year, make, and model of the test vehicle. The main menu
may include:
• Codes Menu—displays diagnostic trouble code (DTC) records from the vehicle electronic
control module. Selecting may open a submenu of viewing options.
• Clear Codes—erases DTC records and other data from the ECM. This selection is found on
a Codes submenu for some models.
• Data Display— displays PID data from the vehicle electronic control module. Selecting may
open a submenu of viewing options.
• Functional Tests—provides specific subsystem tests. The tests vary depending on the
manufacturer and model.
• Actuator Tests—similar to functional tests, checks the operation of certain actuators, such as
solenoid valves and relays.
• Memory Resets—allows you to reprogram adaptive values for certain components after
making repairs. Selecting opens a submenu. These options are found on the Functional Tests
Menu for some models.
• System Tests—provides specific subsystem testing. Performing these tests is similar to
functional tests.
• Generic Functions—lets you access certain available Generic OBD II functions from a
proprietary menu (1996 and newer vehicles only).
• Troubleshooter—provides step-by-step procedures, integrating PIDs and retrieving trouble
codes when appropriate, for specific symptoms of the identified vehicle.
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