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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System >> DTC/Circuit Diagnosis >> DTC P1612: Chain Of ECM-IMMU >> Diagnosis Procedure

Diagnosis Procedure

  1. REPLACE BCM
    1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
    2. Perform initialization with CONSULT.

      Does the engine start? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. REPLACE ECM

    Replace ECM. Refer to "BASIC INSPECTION: SPECIAL REPAIR REQUIREMENT " (VQ35HR), "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (ECM): SPECIAL REPAIR REQUIREMENT "(VK50VE).

    : INSPECTION END

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