Diagnostic Commands

1. Perform New Generation Star Tester Hookup and Vehicle Selection.

NOTE: This test is used to verify the operation of the output circuitry of the module being tested. The ignition switch must be in RUN position or test will fail.

2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. Select module by rotating dial to highlight module and press trigger.
4. Rotate dial to highlight menu item "Active/Command Modes", press trigger.
5. Rotate dial to selected command and press trigger. Command the output by rotating dial and pressing trigger as needed.