5. Retrieve Continuous DTCs

5. Retrieve Continuous DTCs

Purpose:

The purpose of this test is to determine if the PCM has detected any historical or intermittent fault conditions that would cause a hard start/no start symptom. The condition that caused a continuous DTC may no longer exist.

Retrieve Continuous DTCs

^ Use the scan tool.
^ DTCs retrieved during this test are historical faults.






Recommended Procedure:

Connect the scan tool. Turn off all accessories. If the vehicle is equipped with an auxiliary powertrain control module (APCM) it must be turned off to perform self tests.

^ Perform the necessary vehicle preparation and a visual inspection.
^ Refer to the scan tool operating manual for instructions.
^ Key on engine off.
^ Follow operating instructions from the menu.
^ Record the continuous DTCs and Freeze Frame information and perform the appropriate pinpoint test for continuous DTC diagnostics.
^ Continuous DTCs must be cleared afier a repair.

Tools Required:

Scan tool