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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1122: Electric Throttle Control Function >> Diagnostic Procedure >> 10. Check Throttle Control Motor Output Signal Circuit For Open Or Short
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10. Check Throttle Control Motor Output Signal Circuit For Open Or Short

  1. Turn ignition switch OFF.
  2. Disconnect electric throttle control actuator harness connector.
    Fig 1: Identifying Electric Throttle Control Actuator
    G00796238Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Disconnect ECM harness connector.
  4. Check harness continuity between the following terminals.
    Fig 2: Checking Harness Continuity Between Terminals (As Shown)
    G00796237Courtesy of NISSAN MOTOR CO., U.S.A.

    Refer to WIRING DIAGRAM .

  5. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 11.
  2. NG: Repair or replace.