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Home >> Infiniti >> 2017 >> Q50 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 225 (Audio, Visual & Navigation System (INFINITI INTOUCH) (Diagnostic Trouble Codes (DTCS) B1F10-U1725 And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC U162A: Center Squawker >> 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 CENTER SQUAWKER CIRCUIT FOR OPEN

    1. Turn ignition switch OFF.
    2. Disconnect BOSE amp. harness connector and center squawker harness connector.
    3. Check the continuity between BOSE amp. harness connector and center squawker harness connector.
      BOSE amp. Center squawker Continuity
      Connector Terminal Connector Terminal
      B54 17 M96 1 Existed
      18 2

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace malfunctioning parts.

  2. CHECK CENTER SQUAWKER CIRCUIT FOR SHORT TO GROUND

    Check the continuity between center squawker harness connector and ground.

    (+) (-) Continuity
    Center squawker
    Connector Terminal
    M96 1 Ground Existed
    2

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace malfunctioning parts.

  3. CHECK CENTER SQUAWKER CIRCUIT FOR SHORT TO POWER SUPPLY

    1. Turn ignition switch ON.
    2. Check the voltage between center squawker harness connector and ground.
    (+) (-) Voltage
    (Approx.)
    Center squawker
    Connector Terminal
    M96 1 Ground 0 V
    2

    Is the inspection result normal?

    YES 

    Replace center squawker. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace malfunctioning parts.