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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Approaching Vehicle Sound For Pedestrians (VSP) (DTC/Circuit Diagnosis) (Hybrid)) >> DTC/Circuit Diagnosis >> Approaching Vehicle Sound For Pedestrians (VSP) Speaker Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK VSP SPEAKER SIGNAL CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect VSP control unit and VSP speaker connector.
    3. Check continuity between VSP control unit harness connector and VSP speaker harness connector.
      VSP control unit VSP speaker Continuity
      Connector Terminal Connector Terminal
      B32 7 E55 2 Existed
      8 1
    4. Check continuity between VSP control unit harness connector and ground.
      VSP control unit Ground Continuity
      Connector Terminal
      B32 7 Not existed
      8

    Is the inspection result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Repair harness or connector.

  2. CHECK VSP SPEAKER OUTPUT SIGNAL

    1. Connect VSP control unit and VSP speaker connector.
    2. Connect the CONSULT.
    3. Turn ignition switch ON.
    4. Select the "ACTIVE TEST" for the "VSP" and perform the "VSP SPEAKER".
    5. Check signal between VSP control unit harness connector.
      Terminals Voltage
      (Approx.)
      (+) (-)
      VSP control unit
      Connector Terminal Connector Terminal
      B32 8 B32 7
      NOTE:

      Waveform varies depending on tone and sound level.

      GNSJSMIA0539GB-539Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES 

    Replace VSP speaker. Refer to REMOVAL AND INSTALLATION .

    NO 

    Replace VSP control unit. Refer to REMOVAL AND INSTALLATION .

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