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Home >> Nissan-Datsun >> 2017 >> Sentra SR >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Security Control System (Without Intelligent Key System) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B210B: Starter Control Relay >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:

If DTC B210B 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
B210B STR CONT RLY ON CIRC
(Starter control relay on circuit)
When comparing the following items, IPDM E/R detects that starter control relay is stuck in the ON position for 1 second or more.
  • Ignition switch ON signal (CAN) from BCM
  • Starter control relay control signal (CAN) from ECM
  • Starter control relay and starter relay status signal (IPDM E/R input)
  • Starter control relay control signal (IPDM E/R output)
  • Ignition switch START signal
  • Ignition power supply signal
  • Cranking request signal from ECM
  • Harness or connectors

    (CAN communication line is open or shorted.

    (Ignition switch START signal circuit is open or shorted.)

  • IPDM E/R
  • BCM