Retrieve/Clear Continuous DTC's

1. Connect the diagnostic tool to the Data Link Connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- check that the program card is correctly installed.
- check the connections to the vehicle.
- check the ignition switch position.
2. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
3. Carry out the DATA LINK DIAGNOSTICS test. If the diagnostic tool responds with:
- CKT 914 or CKT 915 = ALL ECUS NO RESP/NOT EQUIP, refer to Module Communication Network (Information Bus).
- SYSTEM PASSED, retrieve and record continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the EATC module. Electronic Automatic Temperature Control Module Self-Test
- If the electronic automatic temperature control module cannot be accessed by the diagnostic tool, GO to PINPOINT TEST E. Test E: No Communication With the Electronic Automatic Temperature Control Module
4. If the DTCs retrieved are related to the concern, go to the Powertrain Control Module Diagnostic Trouble Code (DTC) Index or the Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index. Powertrain Control Module Diagnostic Trouble Code (DTC) Index or Electronic Automatic Temperature Control (EATC) Module Diagnostic Trouble Code (DTC) Index