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)

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Locating ECM & TCM (Q45)

Courtesy of NISSAN MOTOR CO., U.S.A.