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Home >> Infiniti >> 2012 >> M37 x >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Security Control System (With Intelligent Key System) >> 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. Trouble diagnosis name DTC detecting condition Possible cause
B210B START CONT RLY ON When comparing the following items, IPDM E/R detects that starter control relay is stuck in the ON position for 1 second or more.
  • Starter control relay signal (CAN) from BCM
  • Starter relay status signal (CAN) from BCM
  • Starter control relay and starter relay status signal (IPDM E/R input)
  • Starter control relay control signal (IPDM E/R output)
  • P/N position signal input
  • Harness or connectors

    (The CAN communication line is open or shorted.)

  • IPDM E/R
  • BCM