AUDIO AND VISUAL SYSTEM (for Radio Receiver Type) Speaker Circuit

DESCRIPTION

The radio receiver assembly sends sound signals to the speakers.

WIRING DIAGRAM

A01INTEE03

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK SPEAKER


    1. Check the malfunctioning speakers.

      Result
      Result Proceed to
      Malfunction in front speaker area A
      Malfunction in rear speaker area B

    B

    INSPECT REAR SPEAKER ASSEMBLY Click here

    A

  2. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly Click here.

    2. Inspect the front No. 1 speaker assembly Click here.


    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 1 SPEAKER)


    1. Disconnect the H11 radio receiver assembly connector.

    2. Disconnect the J2*1 and/or K2*2 front No. 1 speaker assembly connector.


      • *1: for RH Side

      • *2: for LH Side

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      for RH Side
      Tester Connection Condition Specified Condition
      H1-1 (FR+) - J2-1 Always Below 1 Ω
      H1-5 (FR-) - J2-2
      H1-1 (FR+) - Body ground Always 10 kΩ or higher
      H1-5 (FR-) - Body ground
      for LH Side
      Tester Connection Condition Specified Condition
      H1-2 (FL+) - K2-1 Always Below 1 Ω
      H1-6 (FL-) - K2-2
      H1-2 (FL+) - Body ground Always 10 kΩ or higher
      H1-6 (FL-) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

  4. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly Click here.

    2. Inspect the rear speaker assembly Click here.


    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - REAR SPEAKER)


    1. Disconnect the H2 radio receiver assembly connector.

    2. Disconnect the L5*1 and/or M5*2 rear speaker assembly connector.


      • *1: for RH Side

      • *2: for LH Side

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      for RH Side
      Tester Connection Condition Specified Condition
      H2-1 (RR+) - L5-1 Always Below 1 Ω
      H2-3 (RR-) - L5-2
      H2-1 (RR+) - Body ground Always 10 kΩ or higher
      H2-3 (RR-) - Body ground
      for LH Side
      Tester Connection Condition Specified Condition
      H2-2 (RL+) - M5-1 Always Below 1 Ω
      H2-6 (RL-) - M5-2
      H2-2 (RL+) - Body ground Always 10 kΩ or higher
      H2-6 (RL-) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here