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Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Driver Assistance System (Diagnostic Trouble Codes (DTCS) Symptom Tests & Component R&R) (Exc Hybrid) >> DTC/Circuit Diagnosis >> Driver Assistance Buzzer Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DRIVER ASSISTANCE BUZZER SIGNAL CIRCUIT FOR OPEN

    1. Turn ignition switch OFF.
    2. Disconnect the driver assistance buzzer connector.
    3. Disconnect the driver assistance buzzer control module connector.
    4. Check continuity between the driver assistance buzzer control module harness connector and driver assistance buzzer harness connector.
      Driver assistance buzzer control module Driver assistance buzzer Continuity
      Connector Terminal Connector Terminal
      M56 8 M107 1 Existed
      16 2

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair the harnesses or connectors.

  2. CHECK DRIVER ASSISTANCE BUZZER SIGNAL CIRCUIT FOR SHORT

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

    Driver assistance buzzer control module Ground Continuity
    Connector Terminal
    M56 8 Not existed
    16

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair the harnesses or connectors.

  3. CHECK DRIVER ASSISTANCE BUZZER SIGNAL

    1. Connect the driver assistance buzzer connector and driver assistance buzzer control module connector.
    2. Turn ignition switch ON.
    3. Select the active test of "BSW/BUZZER" with CONSULT.
    4. Check waveform between the driver assistance buzzer control module harness connector and ground.
      Driver assistance buzzer control module Condition Voltage
      (Approx.)
      Connector Terminal
      + -
      M56 8 16 At "BUZZER 1" test of "Active test"
      GNSJSOIA0949ZZ-949Courtesy of NISSAN NORTH AMERICA, INC.
      At "BUZZER 2" test of "Active test"
      GNSJSOIA0950ZZ-950Courtesy of NISSAN NORTH AMERICA, INC.

       
      At "BUZZER 3" test of "Active test"
      GNSJSOIA0951ZZ-951Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace the driver assistance buzzer. Refer to REMOVAL AND INSTALLATION .

    NO 

    Replace the driver assistance buzzer control module. Refer to REMOVAL AND INSTALLATION .