AUDIO AND VISUAL SYSTEM No Sound can be Heard from Speakers

WIRING DIAGRAM

A01KGQ3E01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK LCD (LIQUID CRYSTAL DISPLAY) FOR LIGHTING


    1. LCD Illumination Check


      1. Turn the ignition switch ACC.

      2. Turn the radio receiver assembly ON.

        Standard
        LCD illumination of the radio receiver assembly light.

    NG

    INSPECT RADIO RECEIVER ASSEMBLY Click here

    OK

  2. CONTROL FADER AND ADJUST SOUND BALANCE


    1. Fader and Balance Adjustment


      1. Operate the radio receiver assembly to adjust the fader and the balance to identify the speaker that does not sound.

        (A) (B)
        A specific speaker does not sound. All speakers do not sound.

    B

    INSPECT RADIO RECEIVER ASSEMBLY Click here

    A

  3. INSPECT FRONT NO.1 SPEAKER ASSEMBLY


    1. Preparation for Check


      1. Disconnect the connector of the speaker.

    2. Resistance Check


      1. Check the resistance between the terminals of the speaker.

        Note

        The speaker should not be removed for checking.

        Standard value
        2-9 Ω

    NG

    REPLACE FRONT NO.1 SPEAKER ASSEMBLY

    OK

  4. CHECK HARNESS AND CONNECTOR


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    CHECK AND REPLACE RADIO RECEIVER ASSEMBLY

  5. INSPECT RADIO RECEIVER ASSEMBLY


    1. A01KFTYE01

      Remove radio receiver assembly with connectors still connected.

    2. Check voltage.


      1. Measure voltage between terminal B of radio receiver assembly and body ground.

        Standard
        10 - 14 V

      2. Measure voltage between terminal ACC of radio receiver assembly and body ground when ignition switch is turned to ACC.

        Standard
        10 - 14 V

    3. Check continuity.

    4. Check continuity exists between terminal GND of radio receiver assembly and body ground.

      Standard
      Continuity exists

    OK

    CHECK AND REPLACE RADIO RECEIVER ASSEMBLY

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR