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Home >> Nissan-Datsun >> 2004 >> Maxima SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 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

  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 ".