Nissan Armada 2025-2026 Service and Repair Manual: Additional Service When Replacing 8ch Can Gateway

Description

When replacing the 8CH gateway, perform "Procedure before replacing" and "Procedure after replacing". Refer to Work Procedure.

CAUTION:

• Never reuse the parts which has been dropped

• Dispose 8CH CAN gateway which is paired with Intelligent Key unit as it cannot reuse to other vehicle.

Work Procedure

BEFORE REPLACEMENT

Perform control unit information saving procedure before replacing 8CH CAN gateway

NOTE:

It is necessary to save the control unit information to CONSULT to migrate the 8CH CAN gateway data after replacing. Refer to CONSULT manual for detail.

SAVING CONTROL UNIT INFORMATION

With CONSULT

1. Ignition switch OFF.

2. Reconnect all of the disconnected harness connector.

3. Ignition switch ON.

4. Select “Replace ECU” mode of “8ch CAN GATEWAY 2”.

5. Follow the steps displayed in CONSULT.

   NOTE:

   Control unit information will be automatically saved in CONSULT.

Replace 8CH CAN gateway. Refer to Removal & Installation.

AFTER REPLACEMENT

Perform following procedure after replacing the 8CH CAN gateway

• Programming

• C/U setting

• Writing the control unit information

• Register of vehicle identification number

• 8CH CAN gateway and Intelligent Key unit pairing

  NOTE:

  Connect the CONSULT to the network and download the component data. And CONSULT writes the vehicle specification to 8CH CAN gateway. Refer to the CONSULT manual for detail.

PERFORM REPLACE ECU

With CONSULT

1. Select “Replace ECU” mode of “8ch CAN GATEWAY 2”.

2. Follow the steps displayed in CONSULT.

   CAUTION:

   Keep the following condition when working on the steps.

   • Ignition switch ON.

   • Turn OFF all of the electric load.

   • Never depress the brake pedal

   • Battery voltage must be between 12 to 13.5V (Check the battery voltage displayed on the CONSULT.)

     NOTE:

     Programming, C/U setting and writing control unit information will be automatically performed.

GO TO 2.

VIN REGISTRATION WRITING

With CONSULT

1. Select “Work support” mode of “8ch CAN GATEWAY 2” using CONSULT.

2. Select “WRITE VIN DATA”

3. Follow the instruction displayed in CONSULT.

GO TO 3.

PAIRING OF 8CH CAN GATEWAY AND INTELLIGENT KEY UNIT

With CONSULT

Select “Quick Maintenance” → “Immobilizer” → “CGW Replacement” and follow the instruction displayed in CONSULT.

GO TO 4.

PERFORM THE SELF-DIAGNOSIS

With CONSULT

1. Erase all self-diagnosis results using CONSULT.

2. Ignition switch OFF, and leave the vehicle with the driver's side door open. and wait for 2 minutes or more.

   NOTE:

   Since the auto ACC function causes the accessory power to be turned ON, do not perform any vehicle operation including locking the doors or opening and closing of the doors during the standby state. Refer to System Description.

3. Ignition switch ON and wait for 62 seconds or more.

4. Perform "All DTC result" using CONSULT.

CAN communication DTCs detected?

Perform trouble diagnosis procedure for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

INSPECTION END