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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> ADAS Control Unit 2 >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK ADAS CONTROL UNIT 2 POWER SUPPLY CIRCUIT

    Check voltage between ADAS control unit 2 harness connector and ground.

    Terminal Condition Voltage
    (Approx.)
    (+) (-)
    ADAS control unit 2 Ground Ignition switch
    Connector Terminal
    B54 16 OFF 0 V
    ON Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair the ADAS control unit 2 power supply circuit.

  2. CHECK ADAS CONTROL UNIT 2 GROUND CIRCUIT

    1. Turn the ignition switch OFF.
    2. Disconnect the ADAS control unit 2 connector.
    3. Check for continuity between ADAS control unit 2 harness connector and ground.
      ADAS control unit 2 Ground Continuity
      Connector Terminal
      B54 2 Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the ADAS control unit 2 ground circuit.

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