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ECM Terminals and Reference Value

Specification data are reference values and are measured between each terminal and ground.

CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in damage to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.

Fig 1: ECM Terminals And Reference Value Chart

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