D21 Hardbody 4WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)
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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
Diagnostic Trouble Code Tests and Associated Procedures|Page 2482 >
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