Quick Test 4.0 - Continuous Memory Codes
DESCRIPTIONContinuous DTCs are concerns which were detected during normal vehicle operation. These codes are retained for 40 warm-up cycles.
Special Considerations
Some special considerations for continuous testing include the following:
- The cause of some continuous DTCs may have been eliminated if KOEO and/or KOER DTCs were serviced. Always re-test and service any DTCs that still remain.
- If DTCs are present, go to the On-Board Diagnostic Trouble Code Description Charts for service information. Erase DTC, perform the Transmission Drive Cycle Test and repeat all Quick Test procedures after completing service on the DTCs.
- If the continuous test passes (P1111) and a concern is still present, refer to Diagnosis by Symptom Routines, and TSB's for concern diagnosis.Testing and Inspection
PROCEDURE
- Select "Vehicle and Engine Selection" menu.
- Select year, engine and model with the appropriate qualifier if needed, for example, transmission or 49 state/California.
- Select "Diagnostic Data Link" menu.
- Select "Output Test Mode" menu.
- Select "Retrieve Continuous Codes" menu.
- Follow operating instructions from the NGS menu screen.
- Record all DTCs displayed.
- Perform Transmission Drive Cycle Test.
- Rerun Continuous DTC Test, if DTCs have returned, and service as required. Road test and rerun all DTC test procedures.