AUDIO AND VISUAL SYSTEM (w/o Navigation System) Speaker Circuit

DESCRIPTION



WIRING DIAGRAM


  1. for 10 Speakers

    A003VZIE01
    A003YQZE02

  2. for 6 Speakers

    A003V2XE01

INSPECTION PROCEDURE

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Model Proceed to
      for 10 Speakers A
      for 6 Speakers B

    B

    CHECK HARNESS AND CONNECTOR Click here

    A

  2. CHECK HARNESS AND CONNECTOR


    1. Disconnect the connectors from the stereo component amplifier assembly and speakers.

    2. Measure the resistance between the front No. 1 speaker assembly RH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H57-10 (FR+) - J1-1 Always Below 1 Ω
      H57-9 (FR-) - J1-2 Always Below 1 Ω

    3. Measure the resistance between the front No. 1 speaker assembly LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H57-3 (FL+) - K1-1 Always Below 1 Ω
      H57-8 (FL-) - K1-2 Always Below 1 Ω

    4. Measure the resistance between the front No. 2 speaker assembly RH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H58-4 (MR+) - I3-2 Always Below 1 Ω
      H58-10 (MR-) - I3-1 Always Below 1 Ω

    5. Measure the resistance between the front No. 2 speaker assembly LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H58-3 (ML+) - I5-2 Always Below 1 Ω
      H58-9 (ML-) - I5-1 Always Below 1 Ω

    6. Measure the resistance between the front No. 3 speaker assembly RH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H58-4 (MR+) - I4-2 Always Below 1 Ω
      H58-10 (MR-) - I4-1 Always Below 1 Ω

    7. Measure the resistance between the front No. 3 speaker assembly LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H58-3 (ML+) - I6-2 Always Below 1 Ω
      H58-9 (ML-) - I6-1 Always Below 1 Ω

    8. Measure the resistance between the front No. 4 speaker assembly and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H58-8 (CTR+) - I2-2 Always Below 1 Ω
      H58-7 (CTR-) - I2-1 Always Below 1 Ω

    9. Measure the resistance between the rear speaker assembly RH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H57-5 (RR+) - L4-1 Always Below 1 Ω
      H57-12 (RR-) - L4-2 Always Below 1 Ω

    10. Measure the resistance between the rear speaker assembly LH and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H57-4 (RL+) - M4-1 Always Below 1 Ω
      H57-11 (RL-) - M4-2 Always Below 1 Ω

    11. Measure the resistance between the No. 1 speaker assembly with box and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H58-1 (WF1+) - P15-2 (WF1+) Always Below 1 Ω
      H58-2 (WF2+) - P15-4 (WF2+) Always Below 1 Ω

    12. Measure the resistance between the stereo component amplifier assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H57-10 (FR+) - Body ground Always 10 kΩ or higher
      H57-9 (FR-) - Body ground Always 10 kΩ or higher
      H57-3 (FL+) - Body ground Always 10 kΩ or higher
      H57-8 (FL-) - Body ground Always 10 kΩ or higher
      H57-5 (RR+) - Body ground Always 10 kΩ or higher
      H57-12 (RR-) - Body ground Always 10 kΩ or higher
      H57-4 (RL+) - Body ground Always 10 kΩ or higher
      H57-11 (RL-) - Body ground Always 10 kΩ or higher
      H58-4 (MR+) - Body ground Always 10 kΩ or higher
      H58-10 (MR-) - Body ground Always 10 kΩ or higher
      H58-3 (ML+) - Body ground Always 10 kΩ or higher
      H58-9 (ML-) - Body ground Always 10 kΩ or higher
      H58-8 (CTR+) - Body ground Always 10 kΩ or higher
      H58-7 (CTR-) - Body ground Always 10 kΩ or higher
      H58-1 (WF1+) - Body ground Always 10 kΩ or higher
      H58-2 (WF2+) - Body ground Always 10 kΩ or higher

    13. Proceed to the next step based on the inspection result.

      Result
      Condition Proceed to
      NG A
      OK B

    B

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. CHECK HARNESS AND CONNECTOR


    1. Disconnect the connectors from the radio receiver assembly and speakers.

    2. Measure the resistance between the front No. 1 speaker assembly RH and the radio receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H48-1 (FR+) - J1-1 Always Below 1 Ω
      H48-5 (FR-) - J1-2 Always Below 1 Ω

    3. Measure the resistance between the front No. 1 speaker assembly LH and the radio receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H48-2 (FL+) - K1-1 Always Below 1 Ω
      H48-6 (FL-) - K1-2 Always Below 1 Ω

    4. Measure the resistance between the radio setting condenser and the radio receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H48-1 (FR+) - H46-3 (RIN) Always Below 1 Ω
      H48-5 (FR-) - H46-6 (ROUT) Always Below 1 Ω

    5. Measure the resistance between the front No. 2 speaker assembly RH and the radio setting condenser to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H46-8 (RI+) - I3-2 Always Below 1 Ω
      H46-7 (RI-) - I3-1 Always Below 1 Ω

    6. Measure the resistance between the radio setting condenser and the radio receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H48-2 (FL+) - H46-1 (LIN) Always Below 1 Ω
      H48-6 (FL-) - H46-2 (LOUT) Always Below 1 Ω

    7. Measure the resistance between the front No. 2 speaker assembly LH and the radio setting condenser to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H46-4 (LI+) - I5-2 Always Below 1 Ω
      H46-5 (LI-) - I5-1 Always Below 1 Ω

    8. Measure the resistance between the rear speaker assembly RH and the radio receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H49-1 (RR+) - L4-1 Always Below 1 Ω
      H49-3 (RR-) - L4-2 Always Below 1 Ω

    9. Measure the resistance between the rear speaker assembly LH and the radio receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H49-2 (RL+) - M4-1 Always Below 1 Ω
      H49-6 (RL-) - M4-2 Always Below 1 Ω

    10. Measure the resistance between the radio receiver assembly and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H48-1 (FR+) - Body ground Always 10 kΩ or higher
      H48-5 (FR-) - Body ground Always 10 kΩ or higher
      H48-2 (FL+) - Body ground Always 10 kΩ or higher
      H48-6 (FL-) - Body ground Always 10 kΩ or higher
      H49-1 (RR+) - Body ground Always 10 kΩ or higher
      H49-3 (RR-) - Body ground Always 10 kΩ or higher
      H49-2 (RL+) - Body ground Always 10 kΩ or higher
      H49-6 (RL-) - Body ground Always 10 kΩ or higher

    11. Measure the resistance between the radio setting condenser and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H46-8 (RI+) - Body ground Always 10 kΩ or higher
      H46-7 (RI-) - Body ground Always 10 kΩ or higher
      H46-4 (LI+) - Body ground Always 10 kΩ or higher
      H46-5 (LI-) - Body ground Always 10 kΩ or higher

    12. Proceed to the next step based on the inspection result.

      Result
      Condition Proceed to
      NG A
      OK B

    B

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY Click here

    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A003VXKE03
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 1 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        J1-1 - J1-2 Always 3.2 to 4.8 Ω
        K1-1 - K1-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  5. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A003ZD0E01
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 2 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I3-2 - I3-1 Always 3.2 to 4.8 Ω
        I5-2 - I5-1 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  6. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. A003V6JE01
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 3 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I4-2 - I4-1 Always 10 kΩ or higher
        I6-2 - I6-1 Always 10 kΩ or higher

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  7. REPLACE FRONT NO. 3 SPEAKER ASSEMBLY


    1. Check that the malfunction disappears when a known good speaker is installed Click here.

      OK
      Malfunction disappears.

      Tech Tips


      • Connect all the connectors to the front No. 3 speaker assemblies that were disconnected.

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

      • Perform the above inspection on both LH and RH sides.


    NG

    INSPECT FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

    END (FRONT NO. 3 SPEAKER ASSEMBLY WAS DEFECTIVE)

  8. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. A003ZD0E05
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 4 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I2-1 - I2-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

  9. INSPECT REAR SPEAKER ASSEMBLY


    1. A003VXKE04
      Text in Illustration
      *a

      Component without harness connected

      (Rear Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        L4-1 - L4-2 Always 3.2 to 4.8 Ω
        M4-1 - M4-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  10. INSPECT NO. 1 SPEAKER ASSEMBLY WITH BOX


    1. A003ZDME01
      Text in Illustration
      *a

      Component without harness connected

      (No. 1 Speaker Assembly with Box)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        P15-2 (WF1+) - P15-4 (WF2+) Always 1.6 to 2.4 Ω

    NG

    REPLACE NO. 1 SPEAKER ASSEMBLY WITH BOX Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  11. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A003VXKE05
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 1 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        J1-1 - J1-2 Always 3.2 to 4.8 Ω
        K1-1 - K1-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  12. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. A003ZD0E01
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 2 Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        I3-2 - I3-1 Always 3.2 to 4.8 Ω
        I5-2 - I5-1 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  13. REPLACE RADIO SETTING CONDENSER


    1. Check that the malfunction disappears when a known good radio setting condenser is installed.

      OK
      Malfunction disappears.

    NG

    INSPECT REAR SPEAKER ASSEMBLY Click here

    OK

    END (RADIO SETTING CONDENSER WAS DEFECTIVE)

  14. INSPECT REAR SPEAKER ASSEMBLY


    1. A003VXKE04
      Text in Illustration
      *a

      Component without harness connected

      (Rear Speaker Assembly)

      Resistance check


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

        Standard Resistance
        Tester Connection Condition Specified Condition
        L4-1 - L4-2 Always 3.2 to 4.8 Ω
        M4-1 - M4-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here