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Home >> Infiniti >> 2017 >> QX30 Premium, FWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC B210A: Control Unit Power Supply >> Diagnosis Procedure >> Diagnostic Test
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Diagnostic Test

  1. CHECK BATTERY AND CHARGING SYSTEM

    Check battery and charging system condition. Refer to WORK PROCEDURE and INSPECTION PROCEDURE .

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace the malfunctioning parts.

  2. CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

    Check power supply and ground circuit of EPS control unit. Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    Replace the EPS control unit. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace the malfunctioning parts.