FUSO 4M4 – INTAKE AND EXHAUST – TURBOCHARGER CONTROL SYSTEM – Inspections Based on Diagnosis Codes

3.1 Diagnosis code list
• Diagnosis codes shown by the Multi-Use Tester and those indicated by flashing of the warning lamp are different.
• The Multi-Use Tester is capable of showing more detailed diagnosis codes.
• The control during fault recovers by servicing the faults. However, for some diagnosis codes, the warning lamp stays illuminated until the normal signals are input for several times.

3.2 Diagnosis code generation conditions and inspection items

 

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