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Home >> Infiniti >> 2018 >> QX80 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Security Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B26F4: Starter Control Relay >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If DTC B26F4 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Logic .
  • If DTC B26F4 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Logic .

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B26F4

START CONT RELAY OFF

BCM requests IPDM E/R to turn starter control relay ON, but BCM cannot receive starter control relay ON state signal from IPDM E/R.
  • Harness or connectors

    (CAN communication line is open or shorted.)

  • IPDM E/R
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