Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2921-A2 Driver Seat Control Unit

Nissan Rogue (T33) 2021-Present Service Manual / Body Interior :: Automatic Drive Positioner / Dtc/circuit Diagnosis :: B2921-A2 Driver Seat Control Unit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detection condition
B2921-A2

Driver seat control unit

(Driver seat control unit) 		Diagnosis condition The power consumption control of driver seat control unit is in wake-up state
Signal (terminal) Battery power supply (terminal #48)
Threshold 8 V or less
Diagnosis delay time 1 second or more

POSSIBLE CAUSE

  • Fuse

  • Driver seat control unit battery power supply harness is open or shorted

  • Driver seat control unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self diagnosis result” mode of “DRIVER SEAT”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK FUSE

  1. Ignition switch OFF.

  2. Check that the following fuse is not blown (open):

    Signal name Fuse No. Capacity
    Battery power supply 54 20 A

Is the fuse blown (open)?

YES>>

Replace the blown (open) fuse after repairing the affected circuit.

NO>>

GO TO 2.

CHECK BATTERY POWER SUPPLY VOLTAGE

  1. Disconnect driver seat control unit connector.

  2. Check voltage between driver seat control unit harness connector and ground.

    (+) (—)

    Voltage

    (Approx.)
    Driver seat control unit
    Connector Terminal
    B214 48 Ground Battery voltage

Is the inspection result normal?

YES>>

Replace driver seat control unit. Refer to Removal and Installation.

NO>>

Repair the driver seat control unit battery power supply circuit.

    Dtc/circuit Diagnosis. B2920-55 Driver Seat Control Unit
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition B2920-55 Driver seat control unit (Driver seat control unit) Dia...
    Dtc/circuit Diagnosis. B2921-A3 Driver Seat Control Unit
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition B2921-A3 Driver seat control unit (Driver seat control unit)...

    Other materials:

    Additional Service When Replacing Distance Sensor
    Work Procedure Always perform the distance sensor configuration after replacing the distance sensor. Always perform the radar alignment after removing and installing or replacing the distance sensor. CAUTION: The system does not operate normally unless the distance sensor configuration ...

    Engine oil and oil filter recommendation
    API certification mark API service symbol Basic information Selecting the correct oil Choosing the correct engine oil grade, quality, and viscosity is essential for ensuring proper engine life and performance. For models like the Nissan Rogue, refer to "Capacities and recommended fluids/lubr ...

    P2b95 Cold Start Control
    DTC Description ECM controls fuel injection timing and fuel injection quantity when engine is started with the engine cold.This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis co ...