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Nissan Armada 2025-2026 Service and Repair Manual: Back Door Auto Closure Control Unit

Diagnosis Procedure

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check back door auto closure control unit power supply and ground circuit.

Refer to XXX.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace the malfunctioning parts.

CHECK DTC WITH BACK DOOR AUTO CLOSURE CONTROL UNIT

Check that DTC is not detected with back door auto closure control unit.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Refer to DTC Index.

CHECK OPEN SWITCH

Check open switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace the malfunctioning parts.

CHECK CLOSE SWITCH

Check close switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace the malfunctioning parts.

CHECK HALF LATCH SWITCH

Check half latch switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace the malfunctioning parts.

CHECK BACK DOOR CLOSURE MOTOR

Check back door closure motor.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair or replace the malfunctioning parts.

REPLACE BACK DOOR LOCK ASSEMBLY

  1. Replace back door lock assembly. Refer to Removal and Installation.

  2. Confirm the operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 8.

REPLACE BACK DOOR AUTO CLOSURE CONTROL UNIT

  1. Replace back door auto closure control unit. Refer to Removal and Installation.

  2. Confirm the operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Check intermittent incident. Refer to Intermittent Incident.

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