Diagnostic Tests: Notes

NOTE: On vehicles with NVIS system, all ignition keys to be used with vehicle must be reprogrammed when ECM is replaced. See appropriate ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT. Also, IACV-AAC valve idle air volume learning procedure must be performed when ECM is replaced. See ON-VEHICLE ADJUSTMENTS article.

NOTE: Use illustrations to locate and identify ECM harness connector terminals. See Fig 1 and Fig 2 . To identify circuits and wire colors referenced in testing, see WIRING DIAGRAMS article.

Fig 1: Locating ECM Harness Connector

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

Fig 2: Identifying ECM Harness Connector Terminals (As Viewed From Harness Side Of Connector)

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