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Scanner Operations Scanner Operation
4.3.4 Vehicle Test Selection
z Selecting a vehicle test:
1. After a system is selected and the Scanner establishes communication with the vehicle, the
Scanner Main menu displays available tests. Select a menu item to continue.
Figure 4-22 Scanner Main menu
Main menu options vary slightly by year, make, and model. The main menu may include:
• Data Display— displays data parameter information from the vehicle electronic control
module. Selecting may open a submenu of viewing options.
• 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.
• Functional Tests—provides specific subsystem and Guided Component 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 parameter data and
retrieving trouble codes when appropriate, for specific symptoms of the identified vehicle.