Engine Controls - Self-Diagnostics - TRIONIC T7 Fuel Control System: Introduction: Notes
NOTE:
Trionic T7 engine management system is used on 9-3 models with electronic throttle control. Models with direct throttle control use Trionic T5 system. See TRIONIC ENGINE MANAGEMENT SYSTEM
in THEORY & OPERATION article.
If no faults were found while performing BASIC DIAGNOSTIC PROCEDURES , proceed with self-diagnostics. If no diagnostic trouble codes (DTCs) are present after entering self-diagnostics, proceed to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom (i.e., rough idle, no start, etc.).