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

DESCRIPTION

The radio receiver assembly sends sound signals to speakers.

WIRING DIAGRAM

A01J3IDE51

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. CHECK FRONT NO. 2 SPEAKER ASSEMBLY


    1. Temporarily replace the front No. 2 speaker with a new or normally functioning one Click here.

    2. Check that the malfunction disappears.

      Tech Tips


      • Connect all the speaker connectors to the speakers.

      • When there is a possibility that either the right or left speaker is defective, inspect by interchanging the right one with the left one.

      Result
      Result Proceed to
      Malfunction disappears A
      Malfunction does not disappear B

    NG

    REPLACE FRONT NO.2 SPEAKER ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - FRONT NO. 2 SPEAKER)


    1. Disconnect the R2 radio receiver assembly connector.

    2. Disconnect the T25*1 and/or T24*2 front No. 2 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      for RH
      Tester Connection Condition Specified Condition
      R2-1 (FR+) - T25-4 Always Below 1 Ω
      R2-5 (FR-) - T25-2
      R2-1 (FR+) - Body ground Always 10 kΩ or higher
      R2-5 (FR-) - Body ground
      for LH
      Tester Connection Condition Specified Condition
      R2-2 (FL+) - T24-4 Always Below 1 Ω
      R2-6 (FL-) - T24-2
      R2-2 (FL+) - Body ground Always 10 kΩ or higher
      R2-6 (FL-) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A01J7HQ

      Disconnect the S16*1 and/or S15*2 front No. 1 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 4Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER - FRONT NO. 1 SPEAKER)


    • *1: for RH

    • *2: for LH


    1. Disconnect the T25*1 and/or T24*2 front No. 2 speaker assembly connector.

    2. Disconnect the S16*1 and/or S15*2 front No. 1 speaker assembly connector.

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

      Standard Resistance
      for RH
      Tester Connection Condition Specified Condition
      T25-3 - S16-1 Always Below 1 Ω
      T25-1 - S16-2
      T25-3 - Body ground Always 10 kΩ or higher
      T25-1 - Body ground
      for LH
      Tester Connection Condition Specified Condition
      T24-3 - S15-1 Always Below 1 Ω
      T24-1 - S15-2
      T24-3 - Body ground Always 10 kΩ or higher
      T24-1 - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. A01J7HQ

      Disconnect the S18*1 and/or S17*2 front No. 1 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 4Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

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


    1. Disconnect the R3 radio receiver assembly connector.

    2. Disconnect the S18*1 and/or S17*2 front No. 2 speaker assembly connector.


      • *1: for RH

      • *2: for LH

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

      Standard Resistance
      for RH
      Tester Connection Condition Specified Condition
      R3-1 (RR+) - S18-1 Always Below 1 Ω
      R3-3 (RR-) - S18-2
      R3-1 (RR+) - Body ground Always 10 kΩ or higher
      R3-3 (RR-) - Body ground
      for LH
      Tester Connection Condition Specified Condition
      R3-2 (RL+) - S17-1 Always Below 1 Ω
      R3-6 (RL-) - S17-2
      R3-2 (RL+) - Body ground Always 10 kΩ or higher
      R3-6 (RL-) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here