AUDIO AND VISUAL SYSTEM(w/o Stereo Component Amplifier) Speaker Circuit

DESCRIPTION

The radio receiver sends sound signals to the speakers.

WIRING DIAGRAM

A01X6EBE03

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 SET Click here

    A

  2. CHECK SPEAKER


    1. Check the malfunctioning speakers.

      Result
      Result Proceed to
      Front No. 2 speaker A
      Front No. 1 speaker B

    B

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY Click here

    A

  3. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A01X6YEE46
      Text in Illustration
      *1

      Component without harness connected

      (Front No. 2 Speaker)

      Disconnect the F8 and F7 speaker connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always Below 1 Ω
      3 - 4 Always Below 1 Ω
      2 - 4 Always 8 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

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


    1. Disconnect the F35 receiver connector.

    2. Disconnect the F8 and F7 speaker connectors.

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      F35-2 (FL+) - F8-1 (+) Always Below 1 Ω
      F35-6 (FL-) - F8-3 (-)
      F35-2 (FL+) - Body ground Always 10 kΩ or higher
      F35-6 (FL-) - Body ground
      for RH
      Tester Connection Condition Specified Condition
      F35-1 (FR+) - F7-1 (+) Always Below 1 Ω
      F35-5 (FR-) - F7-3 (-)
      F35-1 (FR+) - Body ground Always 10 kΩ or higher
      F35-5 (FR-) - Body ground

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A01X12HE17
      Text in Illustration
      *1

      Component without harness connected

      (Front No. 1 Speaker)

      Disconnect the I10 and I1 speaker connectors.

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

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

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

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


    1. Disconnect the I10, I1, F8 and F7 speaker connectors.

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      F8-2 (TWL+) - I10-1 Always Below 1 Ω
      F8-4 (TWL-) - I10-2
      F8-2 (TWL+) - Body ground Always 10 kΩ or higher
      F8-4 (TWL-) - Body ground
      for RH
      Tester Connection Condition Specified Condition
      F7-2 (TWR+) - I1-1 Always Below 1 Ω
      F7-4 (TWR-) - I1-2
      F7-2 (TWR+) - Body ground Always 10 kΩ or higher
      F7-4 (TWR-) - Body ground

    OK

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  7. INSPECT REAR SPEAKER SET


    1. A01X12HE17
      Text in Illustration
      *1

      Component without harness connected

      (Rear Speaker Set)

      Disconnect the J17 and J15 speaker connectors.

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

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

    NG

    REPLACE REAR SPEAKER SET Click here

    OK

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


    1. Disconnect the F36 receiver connector.

    2. Disconnect the J17 and J15 speaker connectors.

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

      Standard Resistance
      for LH
      Tester Connection Condition Specified Condition
      F36-2 (RL+) - J17-1 Always Below 1 Ω
      F36-6 (RL-) - J17-2
      F36-2 (RL+) - Body ground Always 10 kΩ or higher
      F36-6 (RL-) - Body ground
      for RH
      Tester Connection Condition Specified Condition
      F36-1 (RR+) - J15-1 Always Below 1 Ω
      F36-3 (RR-) - J15-2
      F36-1 (RR+) - Body ground Always 10 kΩ or higher
      F36-3 (RR-) - Body ground

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR