AUDIO AND VISUAL SYSTEM Speaker Circuit

DESCRIPTION



WIRING DIAGRAM


  1. for 6 Speakers

    A01EKOTE20

  2. for 13 Speakers

    A01EJVFE01
    A01EJ88E01

INSPECTION PROCEDURE

PROCEDURE


  1. CONFIRM MODEL

    Result
    Result Proceed to
    for 6 Speakers A
    for 13 Speakers B

    B

    CHECK HARNESS AND CONNECTOR Click here

    A

  2. CHECK HARNESS AND CONNECTOR


    1. Disconnect the E4 and E5 radio and display receiver assembly connectors.

    2. Disconnect the H1 and I1 front No. 1 speaker assembly connectors.

    3. Disconnect the E28 and E29 front No. 2 speaker assembly connectors.

    4. Disconnect the J4 and K4 rear speaker assembly connectors.

    5. Measure the resistance between each of the front No. 2 speaker assemblies and the radio and display receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E4-1 (FR+) - E28-2 (TWR+) Always Below 1 Ω
      E4-5 (FR-) - E28-4 (TWR-) Always Below 1 Ω
      E4-2 (FL+) - E29-2 (TWL+) Always Below 1 Ω
      E4-6 (FL-) - E29-4 (TWL-) Always Below 1 Ω

    6. Measure the resistance between each of the front No. 1 speaker assemblies and the front No. 2 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      H1-1 - E28-1 (+) Always Below 1 Ω
      H1-2 - E28-3 (-) Always Below 1 Ω
      I1-1 - E29-1 (+) Always Below 1 Ω
      I1-2 - E29-3 (-) Always Below 1 Ω

    7. Measure the resistance between each of the rear speaker assemblies and the radio and display receiver assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E5-1 (RR+) - J4-1 Always Below 1 Ω
      E5-3 (RR-) - J4-2 Always Below 1 Ω
      E5-2 (RL+) - K4-1 Always Below 1 Ω
      E5-6 (RL-) - K4-2 Always Below 1 Ω

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E4-1 (FR+) - Body ground Always 10 kΩ or higher
      E4-5 (FR-) - Body ground Always 10 kΩ or higher
      E4-2 (FL+) - Body ground Always 10 kΩ or higher
      E4-6 (FL-) - Body ground Always 10 kΩ or higher
      E5-1 (RR+) - Body ground Always 10 kΩ or higher
      E5-3 (RR-) - Body ground Always 10 kΩ or higher
      E5-2 (RL+) - Body ground Always 10 kΩ or higher
      E5-6 (RL-) - Body ground Always 10 kΩ or higher

    9. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E28-1 (+) - Body ground Always 10 kΩ or higher
      E28-3 (-) - Body ground Always 10 kΩ or higher
      E29-1 (+) - Body ground Always 10 kΩ or higher
      E29-3 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

    2. A01EJFLE10
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 1 Speaker Assembly)

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

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

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  4. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

    2. A01EL19E47
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Front No. 2 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (TWR+) - 4 (TWR-) Always 10 kΩ or higher
      1 (+) - 2 (TWR+) Always Below 1 Ω
      3 (-) - 4 (TWR-) Always Below 1 Ω
      2 (TWL+) - 4 (TWL-) Always 10 kΩ or higher
      1 (+) - 2 (TWL+) Always Below 1 Ω
      3 (-) - 4 (TWL-) Always Below 1 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  5. REPLACE FRONT NO. 2 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. 2 speaker assemblies that were disconnected.

      • When there is a possibility that either the right or left front 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 REAR SPEAKER ASSEMBLY Click here

    OK

    END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

    2. A01EJFLE10
      Text in Illustration
      *a

      Component without harness connected

      (Rear Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 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

  7. CHECK HARNESS AND CONNECTOR


    1. Disconnect the E12 and E15 stereo component amplifier assembly connectors.

    2. Disconnect the E23 and E24 front No. 3 speaker assembly connectors.

    3. Disconnect the E25 and E26 front No. 2 speaker assembly connectors.

    4. Disconnect the H1 and I1 front No. 1 speaker assembly connectors.

    5. Disconnect the E27 front No. 4 speaker assembly connector.

    6. Disconnect the J4 and K4 rear speaker assembly connectors.

    7. Disconnect the J5 and K5 rear No. 2 speaker assembly connectors.

    8. Disconnect the M17 and L11 rear No. 3 speaker assembly connectors.

    9. Measure the resistance between each of the front No. 2 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E15-10 (FR+) - E25-1 (TWR+) Always Below 1 Ω
      E15-9 (FR-) - E25-2 (TWR-) Always Below 1 Ω
      E15-3 (FL+) - E26-1 (TWL+) Always Below 1 Ω
      E15-8 (FL-) - E26-2 (TWL-) Always Below 1 Ω

    10. Measure the resistance between each of the front No. 3 speaker assemblies and the front No. 2 speaker assemblies to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E23-3 - E25-3 (+) Always Below 1 Ω
      E23-2 - E25-4 (-) Always Below 1 Ω
      E24-3 - E26-3 (+) Always Below 1 Ω
      E24-2 - E26-4 (-) Always Below 1 Ω

    11. Measure the resistance between each of the front No. 1 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E12-2 (WFR+) - H1-1 Always Below 1 Ω
      E12-6 (WFR-) - H1-2 Always Below 1 Ω
      E12-1 (WFL+) - I1-1 Always Below 1 Ω
      E12-5 (WFL-) - I1-2 Always Below 1 Ω

    12. 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
      E12-3 (CTR+) - E27-1 Always Below 1 Ω
      E12-9 (CTR-) - E27-2 Always Below 1 Ω

    13. Measure the resistance between each of the rear speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E12-8 (RR+) - J4-1 Always Below 1 Ω
      E12-7 (RR-) - J4-2 Always Below 1 Ω
      E15-4 (RL+) - K4-1 Always Below 1 Ω
      E15-11 (RL-) - K4-2 Always Below 1 Ω

    14. Measure the resistance between each of the rear No. 2 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E12-4 (WF2+) - J5-1 Always Below 1 Ω
      E12-10 (WF2-) - J5-2 Always Below 1 Ω
      E15-5 (WF1+) - K5-1 Always Below 1 Ω
      E15-12 (WF1-) - K5-2 Always Below 1 Ω

    15. Measure the resistance between each of the rear No. 3 speaker assemblies and the stereo component amplifier assembly to check for an open circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E15-2 (SR+) - M17-1 Always Below 1 Ω
      E15-7 (SR-) - M17-2 Always Below 1 Ω
      E15-1 (SL+) - L11-1 Always Below 1 Ω
      E15-6 (SL-) - L11-2 Always Below 1 Ω

    16. 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
      E15-10 (FR+) - Body ground Always 10 kΩ or higher
      E15-9 (FR-) - Body ground Always 10 kΩ or higher
      E15-3 (FL+) - Body ground Always 10 kΩ or higher
      E15-8 (FL-) - Body ground Always 10 kΩ or higher
      E12-2 (WFR+) - Body ground Always 10 kΩ or higher
      E12-6 (WFR-) - Body ground Always 10 kΩ or higher
      E12-1 (WFL+) - Body ground Always 10 kΩ or higher
      E12-5 (WFL-) - Body ground Always 10 kΩ or higher
      E12-3 (CTR+) - Body ground Always 10 kΩ or higher
      E12-9 (CTR-) - Body ground Always 10 kΩ or higher
      E12-8 (RR+) - Body ground Always 10 kΩ or higher
      E12-7 (RR-) - Body ground Always 10 kΩ or higher
      E15-4 (RL+) - Body ground Always 10 kΩ or higher
      E15-11 (RL-) - Body ground Always 10 kΩ or higher
      E12-4 (WF2+) - Body ground Always 10 kΩ or higher
      E12-10 (WF2-) - Body ground Always 10 kΩ or higher
      E15-5 (WF1+) - Body ground Always 10 kΩ or higher
      E15-12 (WF1-) - Body ground Always 10 kΩ or higher
      E15-2 (SR+) - Body ground Always 10 kΩ or higher
      E15-7 (SR-) - Body ground Always 10 kΩ or higher
      E15-1 (SL+) - Body ground Always 10 kΩ or higher
      E15-6 (SL-) - Body ground Always 10 kΩ or higher

    17. Measure the resistance between each of the front No. 2 speaker assemblies and body ground to check for a short circuit in the wire harness.

      Standard Resistance
      Tester Connection Condition Specified Condition
      E25-3 (+) - Body ground Always 10 kΩ or higher
      E25-4 (-) - Body ground Always 10 kΩ or higher
      E26-3 (+) - Body ground Always 10 kΩ or higher
      E26-4 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. Remove the front No. 3 speaker assembly.

    2. A01EL19E46
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 3 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 - 3 Always 10 kΩ or higher

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  9. 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 front 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. 2 SPEAKER ASSEMBLY Click here

    OK

    END (FRONT NO. 3 SPEAKER ASSEMBLY WAS DEFECTIVE)

  10. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

    2. A01EIS4E87
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Front No. 2 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (TWR+) - 2 (TWR-) Always 1.5 to 2.5 Ω
      1 (TWR+) - 3 (+) Always Below 1 Ω
      2 (TWR-) - 4 (-) Always Below 1 Ω
      1 (TWL+) - 2 (TWL-) Always 1.5 to 2.5 Ω
      1 (TWL+) - 3 (+) Always Below 1 Ω
      2 (TWL-) - 4 (-) Always Below 1 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  11. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

    2. A01EJFLE10
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 1 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.65 to 2.15 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  12. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. Remove the front No. 4 speaker assembly.

    2. A01EIS4E88
      Text in Illustration
      *a

      Component without harness connected

      (Front No. 4 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.5 to 2.5 Ω

    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

  13. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

    2. A01EJFLE10
      Text in Illustration
      *a

      Component without harness connected

      (Rear Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.5 to 2.2 Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  14. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. Remove the rear No. 2 speaker assembly.

    2. A01EKH8E30
      Text in Illustration
      *a

      Component without harness connected

      (Rear No. 2 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.5 to 2.5 Ω

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  15. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. Remove the rear No. 3 speaker assembly.

    2. A01ELD3E12
      Text in Illustration
      *a

      Component without harness connected

      (Rear No. 3 Speaker Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 Always 1.5 to 2.5 Ω

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    OK

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