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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Injector Circuit >> Diagnostic Procedure >> 2. Check Overall Function
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2. Check Overall Function

With CONSULT-II 

  1. Start engine.
  2. Perform "POWER BALANCE" in "ACTIVE TEST" mode with CONSULT-II.
  3. Make sure that each circuit produces a momentary engine speed drop.

Without CONSULT-II 

  1. Start engine.
  2. Listen to each injector operating sound.

    Clicking noise should be heard. 

OK or NG 

OK: INSPECTION END 

NG: GO TO 3.