Faulty function of Check Engine lamp.

/ 9-3 (9440) / 2003 / 2. Engine / 4-cylinder petrol / Engine management system Trionic T8 / Fault diagnosis, fault symptoms / Check Engine lamp, faulty function

Symptom: Faulty function of Check Engine lamp.

Check Engine lamp, faulty function

Fault symptom

Faulty function of Check Engine lamp.

Conditions

Ignition ON.

No DTCs stored with the fault symptom in question.

Diagnostic help

Faults in connector H42-2 is often the cause of the fault.

During normal function, the Check Engine lamp should light until the engine starts.