LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2015 >> Q50 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Visual & Navigation System (INFINITI INTOUCH) (Diagnostic Trouble Codes (DTCS) & Symptom Tests (Exc Hybrid) >> DTC/Circuit Diagnosis >> DTC U162A: Center Squawker >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK FRONT CENTER SQUAWKER CIRCUIT FOR OPEN

    1. Turn ignition switch OFF.
    2. Disconnect BOSE amp. harness connector and front center squawker harness connector.
    3. Check the continuity between BOSE amp. harness connector and front center squawker harness connector.
      BOSE amp. Front 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 FRONT CENTER SQUAWKER CIRCUIT FOR SHORT TO GROUND

    Check the continuity between front center squawker harness connector and ground.

    Terminals Continuity
    (+) (-)
    Front 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 FRONT CENTER SQUAWKER CIRCUIT FOR SHORT TO POWER SUPPLY

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

    Is the inspection result normal?

    YES 

    Replace front center squawker. Refer to REMOVAL AND INSTALLATION .

    NO 

    Repair or replace malfunctioning parts.

scientia non olet · About LEMON Manuals