How to do self test of GM tech 2 scanner GM diagnostic Tool ?

GM tech 2 Scanner Self Test

If you want to self test your GM tech 2 scanner , please follow these steps:

1. Insert GM card into card slot of Tech 2
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2. Insert the self test adapter with the main unit and start the main unit.
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3. Enter the menu, and choose “F4 tool options”
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4. Choose “F3 self test”
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5. Screen prompt you to exit
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6. Choose self test function
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7. VCI self test
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8. VCI self test result shown
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For more information about GM tech 2 scanner, please link to http://www.obd2tool.com/goods-1568-GM+Tech2+GM+Scanner+-CANdi++TIS+(Works+for+GMSAABOPELSUZUKIISUZUHolden).html