DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If DTC B210B is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".

DTC DETECTION 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 (CAN communication line is open or shorted. IPDM E/R BCM