The Nissan CONSULT (Computerized On-Board System Universal Tester) is the professional-grade diagnostic ecosystem used by dealerships and specialized technicians to interface with Nissan and Infiniti vehicle systems. Over several decades, it has evolved through four major generations to keep pace with advancing vehicle electronics. Generations & Compatibility
The CONSULT system is required for advanced procedures that basic consumer-grade scanners cannot perform: Nissan Consult
: Used to update Engine Control Modules (ECM) to the latest calibrations via flash files purchased through Nissan TechInfo . : Designed for vehicles built between roughly 1990 and 2000
: Designed for vehicles built between roughly 1990 and 2000 . It uses a unique grey 14-pin diagnostic connector often found near the fuse box. : A more affordable version for independent shops
: Essential for writing transmission characteristic data into the Transmission Control Module (TCM) after a CVT replacement to ensure proper solenoid operation and unit longevity.
: A more affordable version for independent shops that works with generic J2534 "Pass-Thru" devices like the Drew Tech CarDAQ . Note that R2R typically does not support Immobilizer functions. Quick look at Consult 3 Plus , Nissan OEM diagnostic tool
: Includes diagnostic routines like steering angle sensor calibration, key registration (Immobilizer), and system-wide health checks. Access Options for Technicians