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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Warning Systems >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> ADAS Control Unit >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK ADAS CONTROL UNIT POWER SUPPLY CIRCUIT

    Check voltage between ADAS control unit harness connector and ground.

    Terminal Condition Voltage
    (Approx.)
    (+) (-)
    ADAS control unit Ground Ignition switch
    Connector Terminal
    B52 12 OFF 0 V
    ON Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair the ADAS control unit power supply circuit.

  2. CHECK ADAS CONTROL UNIT GROUND CIRCUIT

    1. Turn the ignition switch OFF.
    2. Disconnect the ADAS control unit connector.
    3. Check for continuity between ADAS control unit harness connector and ground.
      ADAS control unit Ground Continuity
      Connector Terminal
      B52 5 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the ADAS control unit ground circuit.

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