New Generation Star (NGS) Tester
- Scan Tool connected.
- Select vehicle and engine selection menu.
- Select year, engine, model with appropriate qualifier (i.e., transmission type, 49 state, etc.).
- Key On.
- Select DIAGNOSTIC DATA LINK.
- Select PCM - POWERTRAIN CONTROL MODULE.
- Select DIAGNOSTIC TEST MODE.
- Select KOER ON-DEMAND SELF TEST.
- Start engine.
- Follow operating instructions from the menu and perform Brake ON/OFF (BOO) and Transmission Control Switch (TCS) cycling, if equipped.
- Engine at normal operating temperature.
- Shift lever in PARK (A/T) or NEUTRAL (M/T).
- Activate KOER Self-Test.
NOTE: If engine stalls during KOER Self-Test, discontinue test and GO to Diagnostic Subroutine 6.0 DSR6 - Were Any Continuous Memory DTCs Received In DSR2
If unable to activate KOER Self-Test or Tool Communication Error received, GO to Pinpoint Test Step QA1. QA1 - Verify Self-Test Activation Method Used
- After the completion of KOER Self-Test, retrieve and record any KOER DTCs.
- If DTC P1000 is present, ignore it at this time.
- Are any KOER DTCs (except P1000) 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 6.0 DSR6 - Were Any Continuous Memory DTCs Received In DSR2