285904BA0A Nissan ANTENNA ASSY IMMOBILIZER, Price: 273.53$, Weight: 0.261kg


Make Number Name Availability Weight, kg Ship in, Days Price

Nissan

285904BA0A

ANTENNA ASSY IMMOBILIZER

0

0.261

2-3

273.53$

Not Available

Compatibility

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5 DOOR HATCHBACKK9KACENTAEurope (RHD)C13M07.20146MT View
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5 DOOR HATCHBACKACENTAGeneral/Asia (LHD)J11E06.2017AREA:GOM AREA; WHEEL DRIVE:2WD6MT View
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QR25DESUSAT32D10.201608.2017SEAT TYPE:2 ROW SEATS; WHEEL DRIVE:FWD; AREA:CALIFORNIA View
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5 DOOR HATCHBACKMR20DDCanadaJ1103.2017WHEEL DRIVE:2WD6MT View
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WAGONMR20DDC27BグレードJapanC2708.2016 View
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M9RS2Europe (LHD)T3211.201611.2018SEAT TYPE:2 ROW SEATS; WHEEL DRIVE:2WD; AREA:EUROPE C GROUP View
MarketModelModel Year FromDiagram
General/Asia (LHD)T32WW04.2017 View

Immobilizer Signal Antenna Assembly ?️?

This part is a key piece of the vehicle security system. It sits close to the ignition area and is made to read the coded chip inside your key. Without a clean key-to-car communication, the engine control unit will not allow starting, even if the starter motor turns.

Why this part is needed

Modern Nissan immobilizers rely on a short-range radio signal to confirm the correct key is present. This antenna captures the key’s transponder ID and sends it to the immobilizer/ECU for approval. It prevents theft and stops random “no start” problems caused by weak signal pickup.

How it works

When you turn the key or press start, the antenna energizes the transponder chip, receives the return code, then passes that data to the control unit. If the code matches, fuel injection and ignition are enabled ✅.

What happens if it’s broken

A failed unit may cause intermittent cranking with no start, security light staying on, key not recognized, or sudden stall right after start. In many cases, the car will be fully immobilized until the signal path is restored.

Compatible Models

  • L300