Nissan and Datsun Workshop Service and Repair Manuals > D21 Hardbody 2WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991) > 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

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

Code 31 - ECU

Nissan and Datsun Workshop Service and Repair Manuals