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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 4) >> DTC/Circuit Diagnosis >> P0641 Sensor Power Supply >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK ELECTRIC IVT CONTROL MODULE POWER SUPPLY CIRCUIT FOR SHORT 

    Check electric IVT control module power supply circuit for short. Refer to Diagnosis Procedure .

    Is the inspection result normal?

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    Replace electric IVT control module. Refer to Removal and Installation .

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    Repair or replace error-detected parts.

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