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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal, Overhaul & Installation - G20 & Q45 >> Computerized Engine Controls >> Engine Control Module
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Engine Control Module

For ECM locations, see Fig 1 or Fig 2 . After ECM replacement, initialize Infiniti Vehicle Immobilizer System (IVIS). See appropriate IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. Perform idle air volume learning procedure. See PROGRAMMING in appropriate SELF-DIAGNOSTICS article.

Fig 1: Locating ECM (G20)
G00010187Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Locating ECM & TCM (Q45)
G00064029Courtesy of NISSAN MOTOR CO., U.S.A.