1. Check Throttle Position Sensor Signal Circuit

1. Disconnect ECM harness connector and ASCD control unit harness connector.
2. Check continuity between ECM harness connector F102 terminal 113 (R/Y) and ASCD control unit harness connector M35 terminal 3 (R/Y).

   Continuity should exist. 

OK or NG 

1. OK : GO TO 2.
2. NG : Repair harness or connector.

Fig 1: Checking Throttle Position Sensor Signal Circuit

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