Preliminary Check
Perform On-Board Diagnostic II system check. See ON-BOARD DIAGNOSTIC II (OBD-II) SYSTEM CHECK . When it is established that OBD-II system is functioning properly, retrieve DTCs. See RETRIEVING CODES .
Perform On-Board Diagnostic II system check. See ON-BOARD DIAGNOSTIC II (OBD-II) SYSTEM CHECK . When it is established that OBD-II system is functioning properly, retrieve DTCs. See RETRIEVING CODES .