What year ranges does this Infiniti I35 Key Fob guide cover?

This Infiniti I35 Key Fob guide is limited to 2002, 2003, and 2004. No other years are included in the source-backed year cluster used for this page.

Does this Infiniti I35 Key Fob guide program the remote only or also the transponder?

The Infiniti I35 Key Fob steps on this page cover keyless-entry remote transmitter programming confirmed by hazard lamp flashes. Transponder or immobilizer registration is not part of this Infiniti I35 Key Fob procedure.

What if the Infiniti I35 Key Fob steps do not work?

If an Infiniti I35 Key Fob session never produces hazard lamp confirmations, re-check the timing windows and the single-press rule, then restart the sequence. If confirmations still never occur, professional diagnosis may be needed to evaluate compatibility and the vehicleu2019s response to the Infiniti I35 Key Fob routine.

When should DIY stop and professional help start for an Infiniti I35 Key Fob issue?

Switch from DIY to help when the Infiniti I35 Key Fob routine repeatedly fails to enter programming mode, when the timing windows cannot be completed consistently, or when a separate no-start concern suggests a problem outside remote-transmitter scope.

Can a replacement remote still require an Infiniti I35 Key Fob session?

Yes. A replacement remote transmitter typically still needs the Infiniti I35 Key Fob programming session described here so the vehicle recognizes it, with hazard lamp flashes used to confirm each registration stage.

Infiniti I35 Key Fob Programming by Year

Can you program a I35 fob without the dealer? For most years, yes. Pick your year for the route and best next step.

☎ Call (833) 439-8636

Find your year

Year	DIY onboard?	How it programs	Working fob?	Erase risk	Confidence	Best next step
2002	Yes	Yes - onboard relearn	—	—	High	Follow the steps below
2003	Yes	Yes - onboard relearn	Yes (1 working)	Yes	Med	Follow the steps below
2004	Yes	Yes - onboard relearn	No (all-keys-lost OK)	Possible	Med	Follow the steps below

Infiniti I35 key types & programming facts

The 2002-2004 Infiniti I35 uses a transponder ignition key plus a separate keyless entry remote for locking, unlocking, and trunk release. Keyless entry remotes can be programmed through an onboard procedure using the ignition and power door locks, while the immobilizer transponder portion typically requires appropriate diagnostic tools or locksmith/dealer equipment to add new keys to the vehicle’s security system.

Key types used on the I35:

transponder chip key with separate keyless entry remote (2002-2004)

2002 Infiniti I35

Route verified — exact steps vary by trim/equipment

Route verified as onboard programming (no dealer needed). The sequences below are general route guidance — use them only if your vehicle shows the same prompts and controls. If the prompts don’t match, stop and call us.

Show the programming methods (20 steps)

Preparation Steps

Close the doors

1 Close and lock all doors with drivers side power lock/unlock switch

Remove the key

2 Insert key into ignition and remove it from ignition key cylinder at least six times within 10 seconds

Programming step

3 Withdraw key completely from ignition cylinder each time

Programming step

4 Note: Hazard lamps flash if the six-times step performed successfully

Programming step

5 Warning: If performed too fast, system will not enter programming mode

Entering Programming Mode

Insert the key

1 After six-times step, insert key into ignition cylinder and turn to ACC position

Wait / timing window

2 Within 5 seconds, push ANY button on the remote transmitter

Programming step

3 Hazard lamps should flash upon successful button press

Press / hold a fob button

4 Note: Do not press the button more than one time in this step

Programming step

5 Warning: Pressing button more than once will prevent successful programming

Programming Multiple Transmitters

Press LOCK + UNLOCK

1 If additional transmitters exist (including old ones), unlock then lock all doors using drivers side power lock/unlock switch

Wait / timing window

2 Within 5 seconds, push ANY button on the next remote

Programming step

3 Hazard lamps should flash for each transmitter programmed

Press LOCK + UNLOCK

4 Repeat unlock/lock and button-press step for each transmitter (including existing transmitters)

Doors lock-cycle (confirm)

5 Ensure each transmitter causes hazard lamp flash to confirm programming

Finalizing Procedure

Turn ignition to ON

1 Turn the key to the OFF position

Remove the key

2 Remove keys from the ignition

Press LOCK + UNLOCK

3 Unlock doors using drivers side power lock/unlock switch

Programming step

4 Open the driver side door

Doors lock-cycle (confirm)

5 Confirm programming completion via previous hazard lamp confirmations

Keys & fobs that fit the 2002 I35

Nissan/Infiniti OEM Remote Key FobRemoteView fob →

For the 2002 I35: I35 key replacement & all compatible fobs →

2003 Infiniti I35

Route verified — exact steps vary by trim/equipment

Show the programming methods (18 steps)

Pre-programming steps

Close the doors

1 Close and lock all doors with driver-side power lock/unlock switch

Insert the key

2 Insert key into ignition and remove it from ignition cylinder at least six times within 10 seconds

Programming step

3 Withdraw key completely from ignition cylinder each time

Doors lock-cycle (confirm)

4 Hazard lamps flash to confirm successful repetition step

Programming step

5 Warning: performing the six-times step too fast prevents entering programming mode

Entering programming mode

Insert the key

1 Insert key into ignition cylinder and turn to ACC position

Wait / timing window

2 Within 5 seconds, push ANY button on the remote transmitter

Doors lock-cycle (confirm)

3 Hazard lamps should flash to confirm successful entry to programming

Press / hold a fob button

4 Do not press the remote button more than one time in this step

Programming step

5 Note: pressing button more than once will prevent successful programming

Programming multiple transmitters

Press LOCK + UNLOCK

1 For remaining transmitters (including old ones), unlock then lock all doors using driver-side power lock/unlock switch

Wait / timing window

2 Within 5 seconds of lock step, push ANY button on next remote

Doors lock-cycle (confirm)

3 Hazard lamps should flash to confirm each transmitter programmed

Press LOCK + UNLOCK

4 Repeat unlock-lock-press sequence for each additional transmitter

Programming step

5 Include any existing transmitters in the programming sequence

Exiting programming and troubleshooting

Remove the key

1 Turn key to OFF position and remove keys from ignition

Press LOCK + UNLOCK

2 Unlock doors using driver-side power lock/unlock switch and open driver-side door

Programming step

3 If key fob not working, try replacing the battery (battery link provided)

Keys & fobs that fit the 2003 I35

Nissan/Infiniti OEM Remote Key FobRemoteView fob →

For the 2003 I35: I35 key replacement & all compatible fobs →

2004 Infiniti I35

Route verified — exact steps vary by trim/equipment

Show the programming methods (25 steps)

1) Preparation

Close the doors

1 Close and lock all doors with driver side power lock/unlock switch.

Programming step

2 Ensure replacement transmitters and old transmitters are available if needed.

Programming step

3 Have ignition key ready for repeated insertion/removal.

Doors lock-cycle (confirm)

4 Be aware of hazard lamps as confirmation signals.

Programming step

5 Note that key must be withdrawn completely from ignition cylinder each time.

2) Entering Programming Mode

Remove the key

1 Insert key into ignition and remove it from the ignition key cylinder at least six times within 10 seconds.

Programming step

2 Hazard lamps will flash when this step is performed successfully.

Programming step

3 Avoid performing the insertion/removal step too fast or system will not enter programming mode.

Insert the key

4 After successful flashes, insert key into ignition cylinder and turn to ACC position.

Wait / timing window

5 Time-sensitive actions required (use of 10-second and 5-second windows).

3) Programming Each Remote

Wait / timing window

1 Within 5 seconds of turning key to ACC, push ANY button on the remote transmitter.

Doors lock-cycle (confirm)

2 Hazard lamps should flash to confirm successful programming of that transmitter.

Press / hold a fob button

3 Do not press the transmitter button more than one time during that step.

Programming step

4 If button pressed more than once, programming procedure will not be successful.

Programming step

5 Repeat process for remaining transmitters (including old ones).

4) Adding Multiple Transmitters

Press LOCK + UNLOCK

1 After programming one transmitter, unlock then lock all doors using driver side power lock/unlock switch.

Wait / timing window

2 Within 5 seconds of locking, push ANY button on the next remote.

Doors lock-cycle (confirm)

3 Hazard lamps should flash to confirm programming of the next transmitter.

Press LOCK + UNLOCK

4 Repeat unlock/lock and button-press sequence for each additional transmitter.

Programming step

5 Include any existing transmitters when performing repeats.

5) Exiting Programming and Troubleshooting

Turn ignition to ON

1 Turn the key to the OFF position to end programming.

Remove the key

2 Remove keys from the ignition after turning OFF.

Press LOCK + UNLOCK

3 Unlock doors using driver side power lock/unlock switch and open driver side door to finish.

Programming step

4 Hazard lamp flashes serve as primary success indicator during steps.

Programming step

5 If key fob not working, try replacing the battery (battery replacement referenced).

Keys & fobs that fit the 2004 I35

Nissan/Infiniti OEM Remote Key FobRemoteView fob →

For the 2004 I35: I35 key replacement & all compatible fobs →

How we validate this guide

Year coverage comes from our consolidated vehicle programming dataset. Route-level programming status is reviewed against internal route sheets and available manufacturer, security-access, and professional tool references. Exact button sequences are marked source-verified only when we have year/equipment-specific support; where a year is labeled “route verified, steps vary,” we confirm the exact fob, trim, and prompts before programming. Reviewed for route and safety by Mohammad H. Abdelhadi, ALOA-Certified Master Locksmith.

Year	Route status	Exact steps
2002	Route verified	General guidance
2003	Route verified	General guidance
2004	Route verified	General guidance

Common questions

Does my 2002-2004 Infiniti I35 use a smart key or push-button start system?

No. These I35 models use a traditional metal ignition key with an embedded transponder chip plus a separate keyless entry remote, not a smart/proximity push-button start system.

Can I program a replacement remote for my Infiniti I35 myself?

Yes. The keyless entry remote can be programmed by cycling the key in the ignition and using the power door locks, following the vehicle-specific onboard procedure.

Is the remote built into the key on the Infiniti I35?

No. For 2002-2004 I35 models, the keyless entry remote is a separate fob; the ignition key is a transponder key without integrated remote buttons.

Can you program a I35 key fob without going to the dealership?

For most years, yes - the route is onboard relearn or an OBD tool, both of which a mobile locksmith handles at your location.

Does this program the remote only, or the transponder key too?

It depends on your key type. Tell us your FCC ID and we will confirm.

What if my year says professional programming required?

Those years need a programmer or security access; we bring the tool to you and program it on site.

How much does it cost?

It depends on year, key type, and whether you have a working key. Call (833) 439-8636 for a firm price before we dispatch.

Need your I35 fob programmed? We come to you, 24/7.

Call (833) 439-8636 Get a quote