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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 U1626, U162E: Front 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 FRONT SQUAWKER CIRCUIT FOR OPEN

    1. Turn ignition switch OFF.
    2. Disconnect BOSE amp. harness connector and front squawker LH or RH harness connector.
    3. Check the continuity between BOSE amp. harness connector and front squawker LH or RH harness connector.
      FRONT SQUAWKER LH

      BOSE amp. Front squawker LH Continuity
      Connector Terminal Connector Terminal
      B54 16 M115 1 Existed
      29 2
      FRONT SQUAWKER RH

      BOSE amp. Front squawker RH Continuity
      Connector Terminal Connector Terminal
      B54 31 M112 1 Existed
      30 2

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace malfunctioning parts.

  2. CHECK FRONT SQUAWKER CIRCUIT FOR SHORT TO GROUND

    Check the continuity between front squawker LH or RH. harness connector and ground.

    FRONT SQUAWKER LH

    (+) (-) Continuity
    Front squawker LH
    Connector Terminal
    M115 1 Ground Existed
    2
    FRONT SQUAWKER RH

    (+) (-) Continuity
    Front squawker RH
    Connector Terminal
    M112 1 Ground Existed
    2

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Repair or replace malfunctioning parts.

  3. CHECK FRONT SQUAWKER CIRCUIT FOR SHORT TO POWER SUPPLY

    1. Turn ignition switch ON.
    2. Check the voltage between front squawker LH or RH harness connector and ground.
    FRONT SQUAWKER LH

    (+) (-) Voltage
    (Approx.)
    Front squawker LH
    Connector Terminal
    M115 1 Ground 0 V
    2
    FRONT SQUAWKER RH

    (+) (-) Voltage
    (Approx.)
    Front squawker RH
    Connector Terminal
    M112 1 Ground 0 V
    2

    Is the inspection result normal?

    YES 

    Replace front squawker LH or RH. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace malfunctioning parts.