Key On Engine Off (KOEO) Self-Test Procedure
KEY ON ENGINE OFF SELF-TEST PROCEDURENOTE: 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 NGS tester hook-up procedure.
2. Perform the "Reading DTCs Procedure".
3. Move the cursor to KOEO ON-DEMAND SELF-TEST.
4. Press the trigger key to enter this selection.
5. Note any KOEO DTCs.
6. Press CANCEL. Perform KOER Self-Test.