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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1121: Electric Throttle Control Actuator >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove air intake duct. Check for foreign matter between throttle valve and bore. If foreign matter is not found, go to next step. If foreign matter is found, remove foreign matter, and clean inside of electric throttle control actuator.
  2. Replace electric throttle control actuator. Perform throttle valve closed position learning and idle air volume learning. See PROGRAMMING  .
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