Nissan Murano: Security Control System :: Dtc/circuit Diagnosis / B26f3 Start Cont Rly on

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Security Control System :: Dtc/circuit Diagnosis / B26f3 Start Cont Rly on

DTC Description

DTC DETECTION LOGIC

NOTE:

  • If DTC B26F3 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description.

  • If DTC B26F3 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description.

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
B26F3

START CONT RLY ON

(Starter control relay ON)
Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold BCM requests IPDM E/R to turn starter control relay OFF, but BCM cannot receive starter control relay OFF state signal from IPDM E/R (CAN)
Diagnosis delay time

POSSIBLE CAUSE

  • IPDM E/R

  • Harness or connector

    (The CAN communication line is open or shorted.)

FAIL-SAFE

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch under the following conditions to start engine:

    • Shift selector lever: In the P (Park) position.

    • Brake pedal: Depressed.

  2. Wait 2 seconds after engine started.

  3. Select “Self Diagnostic Result” mode of “BCM”.

  4. Check DTC.

Is DTC detected?

YES>>

Refer to Diagnosis Procedure.

NO>>

Inspection End.

Diagnosis Procedure

CHECK DTC OF IPDM E/R

CONSULT

Select “Self Diagnostic Result” mode of “IPDM E/R”.

Is DTC detected?

YES>>

Perform the diagnosis procedure related to the detected DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK INTERMITTENT INCIDENT

Refer to Intermittent Incident.

>>

Inspection End.

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