Bank 1

Fig 1: Displaying Wiring Diagram Bank 1 (EC-O2S1B21-01)

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

ECM TERMINALS AND REFERENCE VALUE 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 2: Displaying ECM Terminals And Reference Values

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