Diagnostic Test Mode Description

Connect the New Generation Star (NGS) Tester to the Data Link Connector (DLC) under the dash. Turn OFF accessories.
- Perform the necessary vehicle preparation and visual inspection.
- Select Vehicle and Engine Selection menu.
- Select year, engine, model.
- Select DIAGNOSTIC DATA LINK.
- Select PCM - POWERTRAIN CONTROL MODULE.
- Select DIAGNOSTIC TEST MODES.
- Select RETRIEVE/CLEAR CONTINUOUS DTCs.
- Turn key ON.
- Follow operating instructions from the menu.
- Record DTCs and follow appropriate pinpoint test.
- Continuous DTCs must be cleared after repair is made.
- After tests, cycle key to OFF before running other tests or driving vehicle.

NOTE: Special instructions required to clear Injector Driver Module (IDM) trouble codes:
- Key ON
- Record IDM trouble codes stored in "KOEO ON DEMAND SELF TEST" mode
- Access "RETRIEVE/CLEAR CONTINUOUS DTCs"from NGS menu to clear IDM trouble codes from memory
- Push "CLEAR ALL" button on NGS tool
- IDM trouble codes are now cleared from memory