Nissan and Datsun Workshop Service and Repair Manuals > 300ZX V6-2960cc DOHC (VG30DE) (1990) > Powertrain Management | Relays and Modules - Powertrain Management | Relays and Modules - Computers and Control Systems | Engine Control Module | Component Information | Testing and Inspection | Diagnostic Trouble Code Tests and Associated Procedures

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Engine Control Module: Diagnostic Trouble Code Tests and Associated Procedures

Code 31 Electronic Control Unit

The ECU detected that the "calculation function" is out of the normal range.

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