With Scan Tool

- After attaching the Super Star II tester or equivalent and turning on its power switch, the tester will run a display check and the numerals 888 will begin to flash in the display window.

- A steady 00 will then appear when center button is unlatched to signify that the Super Star II tester is ready to start the self test and receive service codes. The EEC system does not transmit a Pass code. A blank screen will appear continuously.

- To receive input or output service codes, latch the center button in the test position at the front of the Super Star II tester, turn ignition key to ON position, turn the Super Star tester II ON, unlatch then relatch the center button. If for any reason the technician wants to clear the display window during the self-test, turn ignition switch OFF, press the tester push button once to latch down the button.

- Every time the Super Star II tester is turned OFF, the low battery indicator (LO BAT) should show briefly at the upper left corner of the tester display window. If the LO BAT indicator shows steadily at any other time during the operation of the Super Star II tester with any service code, turn its power switch to OFF and replace the 9 volt battery in the tester.

- The Super Star II tester will display the last service code received, even after disconnecting it from the vehicle. It will hold the service code on the display until the power is turned off or the push button is unlatched and relatched.