2012 Infiniti QX56 AWDFACTORY OEM SERVICE PROCEDURE

ECM: Description: Notes

Performing the following procedure can automatically activate recommunication of ECM and BCM, but only

when the ECM is replaced with a new one*.

*: New one means a virgin ECM that has never been energized on-board.

(In this step, initialization procedure by CONSULT is not necessary)

NOTE:
  • If multiple keys are attached to the key holder, separate them before beginning work.
  • Distinguish keys with unregistered key IDs from those with registered IDs.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.