Nissan Armada 2025-2026 Service and Repair Manual: Diagnosis Procedure

PERFORM SELF-DIAGNOSIS

With CONSULT

1. Pull the parking brake switch.

   NOTE:

   Check to make sure that the parking brake switch indicator is turned ON.

2. Ignition switch OFF.

3. Get out of the vehicle and close all doors.

4. Wait 65 seconds.

   NOTE:

   • Check to make sure that the parking brake switch indicator is turned OFF.

5. Ignition switch ON.

6. Perform self-diagnosis for “EPS/DIRECT ADAPTIVE STEERING 3”.

Is a malfunctioning system displayed?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK THE ILLUMINATION OF THE POWER STEERING WARNING LAMP

Check the power steering warning lamp while engine is running.

Does the power steering warning lamp turn OFF?

YES>>

GO TO 3.

NO>>

Refer to Diagnosis Procedure.

CHECK WHEEL ALIGNMENT

Check the wheel alignment. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Adjustment of wheel alignment. Refer to Adjustment.

CHECK POWER STEERING CONTROL MODULE SIGNAL

With CONSULT

1. Start the engine.

   CAUTION:

   Never drive the vehicle.

2. Turn steering wheel from full left stop to full right stop.

3. Select “EPS/DIRECT ADAPTIVE STEERING 3”, “Data monitor” and “Steering torque” in this order.

4. Check that the signal is within the specified value. Refer to Reference Value.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

CHECK STEERING WHEEL TURNING FORCE

Check the steering wheel turning force. Refer to Inspection.

Is the check result normal?

YES>>

INSPECTION END

NO>>