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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 386 (Auto Cruise Control System) >> Automatic Speed Control Device (ASCD) >> Trouble Diagnoses >> ECM Signal Check >> 1. Check Throttle Position Sensor Signal Circuit
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1. Check Throttle Position Sensor Signal Circuit

WARNING: This page is about a different car, the 2004 Infiniti M45 and 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect ASCD control unit connector and ECM connector.
  2. Check continuity between ASCD control unit harness connector M35 terminal 3 (R/G) and ECM harness connector F102 terminal 113 (R/Y).

    Continuity should exist  .

Fig 1: Checking Throttle Position Sensor Signal Circuit
G00738585Courtesy of NISSAN MOTOR CO., U.S.A.

Refer to wiring diagram in SYSTEM WIRING DIAGRAMS .

OK or NG 

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