Key On Engine Off (KOEO) Self-Test Procedure

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 DTCs 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. Press CANCEL. Perform KOER Self-Test.