New Generation Star (NGS) Tester

- Start engine, if possible, and idle until it is at normal operating temperature.

- Key Off.

- Select vehicle and engine selection menu.

- Select year, engine, model with appropriate qualifier (i.e., transmission type, 49 state, etc.).

- Turn key "ON"

- Select DIAGNOSTIC DATA LINK.

- Select PCM - POWERTRAIN CONTROL MODULE.

- Select DIAGNOSTIC TEST MODE.

- Select KOEO ON-DEMAND SELF TEST.

- Key On, Engine Off.

- Follow operating instructions from the menu.

NOTE: If unable to activate KOEO Self-Test or Tool Communication Error received, GO to Pinpoint Test Step QA1. QA1 - Verify Self-Test Activation Method Used

- After the completion of KOEO Self Test, retrieve and record any KOEO DTCs.

If DTC P1000 is present, ignore it at this time.

- Are any KOEO DTCs (except P1OOO) present?

YES -- Key Off. GO to Powertrain DTC Charts for Pinpoint Test direction (begin diagnosis with first DTC output). [1][2]Diagnostic Trouble Code (DTC) Charts

NO -- GO to Diagnostic Subroutine 4.0 Verify PCM Control of Timing. DSR4 - Verify PCM Control of Timing