NORMAL Mode Code Retrieval
- Connect scan tester to DLC-3. Turn ignition on with engine off. Turn scan tester on. Using scan tester manufacturer's instructions, check for DTCs and freeze-frame data.
- If scan tester displays UNABLE TO CONNECT TO VEHICLE, DLC-3 must be checked. See DLC-3 INSPECTION under SCAN TESTER PROBLEMS. If scan tester does not display UNABLE TO CONNECT TO VEHICLE, go to next step.
- Record any DTCs and freeze-frame data displayed for system diagnosis. If driveability problem exists and no DTCs are present, go to TESTS W/CODES - 2.2L article for diagnosis by symptom.
- If any DTCs are present, perform appropriate circuit test. See TROUBLE CODE IDENTIFICATION table. For more information on freeze-frame data, see FREEZE-FRAME DATA under INTRODUCTION. For information on 2-trip detection logic codes, see TWO-TRIP DETECTION LOGIC under INTRODUCTION.
- After repairs for DTC have been completed, DTCs must be cleared from ECM memory. See CLEARING DIAGNOSTIC TROUBLE CODES .