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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2239 (Transfer Case (ATX14B)) >> DTC/Circuit Diagnosis >> DTC P1820: Engine Speed Signal >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT Diagnostic item is detected when... Reference
[P1820 ] ENGINE SPEED SIG
  • Malfunction is detected in engine speed signal that is output from ECM through CAN communication.
  • Improper signal is input while driving.
 Refer to Diagnosis Procedure  .
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