Nissan Armada 2025-2026 Service and Repair Manual: Precautions for Removing Battery Terminal
With the adoption of Auto ACC function, ACC power is automatically supplied by operating the Intelligent Key or remote keyless entry or by opening/closing the driver side door. In addition, ACC power is supplied even after the ignition switch is turned to the OFF position, i.e. ACC power is supplied for a certain fixed time.
When disconnecting the 12V battery terminal, turn off the ACC power before disconnecting the 12V battery terminal, observing “How to disconnect 12V battery terminal” described below.
NOTE:Some ECUs operate for a certain fixed time even after ignition switch is turned OFF and ignition power supply is stopped. If the battery terminal is disconnected before ECU stops, accidental DTC detection or ECU data damage may occur.
For vehicles with the 2-batteries, be sure to connect the main battery and the sub battery before turning ON the ignition switch.
NOTE:If the ignition switch is turned ON with any one of the terminals of main battery and sub battery disconnected, then DTC may be detected.
After installing the 12V battery, always check "Self Diagnosis Result" of all ECUs and erase DTC.
NOTE:The removal of 12V battery may cause a DTC detection error.
HOW TO DISCONNECT 12V BATTERY TERMINAL
Disconnect 12V battery terminal according to instruction described below.
Open the hood.
Turn ignition switch to the ON position.
Turn ignition switch to the OFF position with the driver side door opened.
Get out of the vehicle and close the driver side door.
Wait at least 3 minutes. For vehicle with the engine listed below, remove the battery terminal after a lapse of the specified time.
BR08DE : 4 minutes R9N engine : 12 minutes BR10DE : 12 minutes V9X engine : 4 minutes D4D engine : 20 minutes YD25DDTi : 2 minutes HR09DET : 12 minutes YS23DDT : 4 minutes HR10DDT : 12 minutes YS23DDTT : 4 minutes HR10DET : 12 minutes ZD30DDTi : 60 seconds HR13DDT : 12 minutes ZD30DDTT : 60 seconds HRA2DDT : 12 minutes K9K engine : 4 minutes M9R engine : 4 minutes R9M engine : 4 minutes CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of this caution results in the activation of ACC power supply according to the Auto ACC function.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
Precaution for Procedure without Cowl Top Cover
When performing the procedure after removing cowl top cover, cover the lower end of windshield with urethane, etc to prevent damage to windshield.
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WARNING:
When jacking up or lift up the vehicle, always turn OFF the electronic air suspension function with the vehicle unladen and normal height, since the suspension may accidentally move and it ca ...
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Work Procedure
CHOOSE METHOD
There are two ways of initialization method.
Which method do you choose?
With CONSULT>>
GO TO 2.
Without CONSULT>>
GO TO 3.
WITH CONSULT
With CONSULT
Ignition switch ON.Perform "Third seat LH position initialization" in "Work support" mode of "THIRD SEAT RH" using CONSUL ...
Removal and Installation
WARNING:
REMOVAL
Turn the ignition switch ON.
CAUTION:
Never start the engine.
Release the parking brake.
CAUTION:
If the brake cannot be released, release it manually. Refer to Diagnosis Procedure.
Turn the ignition switch OFF.
Disconnect 12V battery negative terminal. Refer to Removal and Instal ...
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