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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Controls - Self-Diagnostics - 2.5) >> Diagnostic Tests >> DTC P1225: Closed Throttle Position (TP) Switch Learning Performance Problem >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Remove intake air duct. Inspect for foreign material stuck between throttle valve and throttle body housing. Clean with solvent if necessary and retest. If throttle bore is OK, go to next step.
  2. Replace electric throttle control actuator. Perform the following:
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