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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 B210C: Starter Control Relay >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:
  • If DTC B210C is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B210C may be detected.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B210C START CONT RLY OFF When comparing the following items, IPDM E/R detects that starter control relay is stuck in the OFF 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
  • Battery