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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 405 (Engine Control System - DTC) >> DTC P0171, P0174: Fuel Injection System Function >> Diagnostic Procedure >> 7. Check Function Of Injectors >> Without CONSULT-II
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Without CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine.
  2. Listen to each injector operating sound.
    1. Clicking noise should be heard. 
Fig 1: Listen To Each Injector Operating Sound
G00877199Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 8.
  2. NG: Perform trouble diagnosis for INJECTORS, refer to "INJECTOR CIRCUIT ".