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

Nissan Armada 2025-2026 Service and Repair Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock — Symptom Diagnosis / Back Door Auto Closure Function Does Not Operate / Diagnosis Procedure

CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL UNIT

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

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Refer to DTC Index.

CHECK OPEN SWITCH

Check open switch.

Refer to DTC Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

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 4.

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 5.

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 6.

NO>>

Repair or replace the malfunctioning parts.

REPLACE BACK DOOR LOCK ASSEMBLY

Replace back door lock assembly. Refer to Removal and Installation.
Confirm the operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

GO TO 7.

REPLACE AUTOMATIC BACK DOOR CONTROL UNIT

Replace automatic back door control unit. Refer to Removal and Installation .
Confirm the operation after replacement.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Check intermittent incident. Refer to Intermittent Incident.

Automatic Back Door Control Unit

...

Back Door Auto Closure Control Unit

...

Other materials:

Inspection
WARNING: FLUID LEAKAGE FLUID LEVEL CAUTION: Never start engine while checking fluid level. Install filler plug on transfer and then tighten to the specified torque. CAUTION: Never reuse filler plug. Specified torque : 37.5 N·m (3.8 kg-m, 28 ft-lb) ...

Removal and Installation
CAUTION: REMOVAL Remove driver knee air bag module mounting bolts, and then move driver knee air bag module to secure workspace. Refer to Removal and Installation. Disconnect harness connector. Remove fixing clip , and then remove front foot lamp bracket (LH). Disengage front foot lamp (LH) fixing ...

Removal and Installation
WARNING: REMOVAL Remove air breather hose A from transfer assembly. Remove clip A . Remove clip B . Remove A/T air breather hose. Refer to Removal and Installation. Release clip C and remove air breather hose assembly from bracket. Separate each component part. INSTALLATION Note the follo ...

0.006