Key On Engine Off (KOEO) Self-Test Procedure
NOTE: Make sure the A/C switch is OFF during KOEO Self-Test. If the A/C switch is ON during this test, DTC P1464 will be indicated on the NGS tester.1. Perform the "New Generation Star (NGS) tester hook-up procedure".
2. Perform the "Reading DTC Procedure".
3. Move the cursor to KOEO ON-DEMAND SELF-TEST. Press the trigger key to enter this selection.
4. Follow operating instruction from the menu.
5. NOTE: any KOEO DTCs.
6. Press CANCEL. Perform KOER Self-Test.