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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