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Home >> Nissan-Datsun >> 2013 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Security Control System (With Intelligent Key System) (DTCS)) >> 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 2017 Nissan Sentra. 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 No. CONSULT screen items
(Trouble diagnosis content)		 DTC detecting condition Possible cause
B209F STR CUT OFF OPEN
(Starter 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

DTC CONFIRMATION PROCEDURE

  1. PERFORM DTC CONFIRMATION PROCEDURE

    1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Refer to DTC LOGIC .
    2. Turn ignition switch ON.
    3. Check DTC in Self Diagnostic Result mode of IPDM E/R using CONSULT.

    Is DTC detected?

    YES 

    Refer to DIAGNOSIS PROCEDURE .

    NO 

    Inspection End

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