Quick Test 3.0 - Key ON, Engine OFF (KOEO)
Quick Test 3.0 - Key On, Engine Off (KOEO)
CAUTION: Do not replace parts based on a code. Perform Pinpoint Test first.
Some special considerations for Key ON, Engine OFF Quick Test include the following:
- The KOEO test provides hard Diagnostic Trouble Codes (DTCs) present at the time of testing.
- Always service the hard DTCs first.
Performing KOEO
- Perform visual inspection and vehicle preparation as required.
- Select "Vehicle and Engine Selection" menu.
- Select year, engine, model with the appropriate qualifier if needed - for example, 49-State/California.
- Select "Diagnostic Data Link" menu.
- Select "Diagnostic Test Mode" menu.
- Select "KOEO On-Demand Self-Test."
- Follow operating instructions from the NGS menu screen.
- Record all DTCs displayed.
- Service NON-transaxle DTCs first as they can directly affect the operation of the transaxle. Road test and repeat Quick Test to verify the service.