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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 428 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B210B: Starter Control Relay >> DTC Description >> DTC Detection Logic

DTC Detection Logic

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DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

B210B

STR CONT RLY ON CIRC

(Starter control relay on circuit)

Diagnosis condition

Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

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)

Diagnosis delay time

1 second or more
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