2002 Infiniti I35FACTORY OEM SERVICE PROCEDURE

Programming Unexpectedly Terminated

(See step  27):

  • The ECM has been permanently damaged and will require replacement.
  • Perform steps A through G below.

CAUTION: Do not start the engine with the damaged ECM installed.
  1. Turn the ignition "OFF", turn CONSULT-II "OFF", and DISCONNECT THE NEGATIVE TERMINAL OF THE VEHICLE BATTERY.
  2. Attach the CONSULT-II print-out to the repair order for future reference.
  3. Replace the damaged ECM.
  4. Reconnect the negative battery cable.
  5. If the vehicle is equipped with NATS:
    • Some models will require registration of the NATS keys.
    • See the appropriate TSB(s) or Service Manual (ESM) for NATS information and key registration procedures.
  6. Perform IAVL (Idle Air Volume Learning). See the appropriate Service Manual (ESM) for this procedure.
  7. Check the new ECM's current P/N.
    1. Make sure it is the latest (newest) P/N.
    2. See step  21.
    NOTE:
    • A new ECM from the parts department may not have the newest program.
    • If needed, return to step  5 of this procedure and reprogram the new ECM with the latest available P/N. Be careful to follow each step exactly as written.
Factory Service Tools

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When to See a Mechanic

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

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

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