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Quest V6-3.5L (VQ35DE) (2009)

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Body Control Module > Component Information > Technical Service Bulletins > Antitheft System - NATS Security VBC Logic

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Body Control Module: Technical Service Bulletins
Antitheft System - NATS Security VBC Logic

Classification: EL10-028

Reference: NTB10-106

Date: September 10, 2010

NATS SECURITY - VBC LOGIC

APPLIED VEHICLE: 2009 - 2011 All Nissan with NATS / Immobilizer System

SERVICE INFORMATION

All model year 2009 - 2011 Nissan vehicles equipped with NATS/Immobilizer system have the new VBC (Validate Before Crank) starter relay logic.

VBC (Validate Before Crank) Logic:

^ The BCM will make sure that a valid (registered) key is being used before engaging the starter relay. If the key is not authenticated the starter will not

operate.

^ If the engine cranks, the issue is not related to NATS. Do not replace NATS components (BCM, I-Key, FOB Reader or RF Receiver). Refer to ASIST

for further diagnostic information as needed.

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Body Control Module > Component Information > Technical Service Bulletins > Antitheft System - NATS Security VBC Logic

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