Engine Control Module: Testing and Inspection

14.13 Engine control unit

14.13.1 General Description
The purpose of this diagnosis is to detect electrical faults of the engine control unit.

14.13.2 Monitoring Conditions:
Ignition key on

14.13.3 Error Symptoms:
- Error based on ECU internal software checks
- Error based on ECU internal hardware checks

14.13.3.1 Flow chart: ECU monitoring