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Home >> Infiniti >> 2018 >> QX30 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Driver Assistance System) >> Driver Assistance System >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Driver Assistance Buzzer Control Module >> Diagnosis Procedure
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Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Infiniti Q60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FUSES 

    Check if any of the following fuses are blown:

    Signal name

    Fuse No.

    Ignition power supply (VR30DDTT)

    22

    Ignition power supply (2.0L turbo gasoline engine)

    75

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Replace the blown fuse after repairing the affected circuit if a fuse is blown.

  2. CHECK DRIVER ASSISTANCE BUZZER CONTROL MODULE POWER SUPPLY CIRCUIT 

    Check voltage between driver assistance buzzer control module harness connector and ground.

    Terminal

    Condition

    Voltage

    (Approx.)

    (+)

    (-)

    Driver assistance buzzer control module

    Ground

    Ignition switch

    Connector

    Terminal

    M56

    1

    ON

    Battery voltage

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair the driver assistance buzzer control module power supply circuit.

  3. CHECK DRIVER ASSISTANCE BUZZER CONTROL MODULE GROUND CIRCUIT 
    1. Turn the ignition switch OFF.
    2. Disconnect the driver assistance buzzer control module.
    3. Check for continuity between driver assistance buzzer control module harness connector and ground.

      Driver assistance buzzer control module

      Ground

      Continuity

      Connector

      Terminal

      M56

      5

      Existed

      13

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Repair the driver assistance buzzer control module.