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Nissan Armada 2025-2026 Service and Repair Manual: 12v Sub Battery (lithium Ion Battery)

Nissan Armada 2025-2026 Service and Repair Manual / Electrical & Power Control / Power Supply, Ground & Circuit Elements / 12v Sub Battery (lithium Ion Battery)

Exploded View

12V SUB BATTERY (LITHIUM ION BATTERY) HARNESS

12V sub battery (lithium ion battery) harness 1        
: To 12V sub battery (lithium ion battery)
: vehicle front
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)

12V SUB BATTERY (LITHIUM ION BATTERY)

:12V sub battery (lithium ion battery) cover seal :12V sub battery (lithium ion battery) cover :12V sub battery (lithium ion battery) negative cable
:12V sub battery (lithium ion battery) positive cable 2 :12V sub battery (lithium ion battery) positive cable 1 :12V sub battery (lithium ion battery)
:12V sub battery (lithium ion battery) bracket :12V sub battery (lithium ion battery) case seal :12V sub battery (lithium ion battery) case
:Oneway valve      
:To power network separate relay
:To engine room
: vehicle front
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Always replace after every disassembly.

Removal and Installation

WARNING:

Jacking up or lift up the vehicle may the vehicle height to go down which cause a personal injury and/or damage to the air suspension component parts. Refer to Precaution for when Jacking and Lifting Up the vehicle with Electronic Air Suspension System.

REMOVAL

Disconnect 12V battery cable from negative terminal. Refer to Precautions for Removing Battery Terminal.

CAUTION:

To prevent damage to the parts, disconnect 12V battery cable from negative terminal first.

Remove 3rd seat. Refer to Removal and Installation.

Flip the rear floor carpet to secure work space.

Remove floor cover mounting bolts , and then remove floor cover.

: vehicle front

Disconnect 12V sub battery (lithium ion battery) harness connector .

: vehicle front

Remove mounting nut , and then disconnect 12V sub battery (lithium ion battery) negative cable from negative terminal.

: vehicle front

Disengage fixing pawl, and then remove positive terminal cover part of 12V sub battery (lithium ion battery) in the direction of the arrow ().

: Pawl
: vehicle front

Remove mounting nut , and then disconnect 12V sub battery (lithium ion battery) cable 2 from positive terminal.

: vehicle front

Remove mounting nuts , and then remove 12V sub battery (lithium ion battery) bracket.

: vehicle front

Remove 12V sub battery (lithium ion battery).

If necessary, remove the 12V sub battery (lithium ion battery) case and cover by following the steps below.Remove power network separate relay. Refer to Exploded View . Remove 12V sub battery (lithium ion battery) positive cable 1 mounting nut , harness clip and disconnect harness connectors

: vehicle front

Remove gromet , and then move 12V sub battery (lithium ion battery) positive cable 1 from 12V sub battery (lithium ion battery) case .

: vehicle front

Remove 12V sub battery (lithium ion battery) positive cable 2 harness clip and then remove 12V sub battery (lithium ion battery) positive cable 2 from 12V sub battery (lithium ion battery) case.

: Clip
: vehicle front

Remove negative cable mounting bolts and clip .

: Clip
: vehicle front

Remove negative cable clips from 12V sub battery (lithium ion battery) case.

: Clip
: vehicle front

Remove gromet , and then remove 12V sub battery (lithium ion battery) negative cable from 12V sub battery (lithium ion battery) case .

: vehicle front

Remove spare tire. Refer to Removal & Installation. Remove rear muffler. Refer to EXHAUST SYSTEM : Removal & Installation. Remove harness bracket mounting bolt to secure work space.

Remove 12V sub battery (lithium ion battery) case and cover mounting nuts , and then remove 12V sub battery (lithium ion battery) case and cover from vehicle.

Remove 12V sub battery (lithium ion battery) cover mounting nuts , and then remove 12V sub battery (lithium ion battery) cover from 12V sub battery (lithium ion battery) case.

INSTALLATION

Note the following items, and then install in the reverse order of removal.

CAUTION:

  • When connecting, connect battery cable to positive terminal first.

  • Never reuse battery cover upper seal and battery case lower seal.

  • When install 12V sub battery (lithium ion battery) cover seal , make sure that the dimensions of (A) are 20 – 40 mm (0.79 – 1.57 in).

    : vehicle front

  • When install the 12V sub battery (lithium ion battery) cover to the 12V sub battery (lithium ion battery) case, tighten the mounting nuts to the specified torque in the order of 1 ⇒ 2, then tighten the other mounting nuts to the specified torque.

    : vehicle front

  • When install the 12V sub battery (lithium ion battery) cover and 12V sub battery (lithium ion battery) case to the vehicle, tighten the mounting nuts to the specified torque in the order of 1 ⇒ 2, then tighten the other mounting nuts to the specified torque.

    : vehicle front

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