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Home >> Infiniti >> 2018 >> QX30 Essential, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1 Of 4) >> DTC/Circuit Diagnosis >> DTC U0427: Can Communication >> Fuel Pump Control Module (FPCM) >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK DTC OF ELECTRONIC IGNITION SWITCH CONTROL UNIT 

    SYMBOL With CONSULT

    Check "Self-diagnostic result" of Electronic ignition switch control unit.

    Is any DTC detected?

    YES

    Perform trouble diagnosis for detected DTC. Refer to DTC Index .

    NO

    Replace electronic ignition switch control unit. Refer to Removal and Installation .