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Home >> Nissan-Datsun >> 2013 >> Quest SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Security Control System) >> DTC/Circuit Diagnosis >> DTC B209F: Cranking Request Circuit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC B209F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B209F STR CUT OFF OPEN When the following items do not match, a malfunction is detected.
  • Cranking request signal from ECM
  • Starter control relay control signal from ECM (CAN)
  • Harness or connectors (CAN communication line is open or shorted.)
  • Harness or connectors (Cranking request signal circuit is open or shorted.)
  • IPDM E/R
  • ECM