AUDIO AND VISUAL SYSTEM (w/ Multi-display) Speaker Circuit

DESCRIPTION


WIRING DIAGRAM

A01NLK5E04
A01NK3ZE06

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR


    1. Disconnect the O42 stereo component amplifier assembly connector.

    2. Disconnect the I6 and J6 front No. 3 speaker assembly connectors.

    3. Disconnect the I5 and J4 front No. 2 speaker assembly connectors.

    4. Disconnect the I3 and J2 front No. 1 speaker assembly connectors.

    5. Disconnect the K4 and L4 rear speaker assembly connectors.

    6. Disconnect the K1 and L1 rear No. 2 speaker assembly connectors.

    7. Disconnect the P22 rear No. 3 speaker assembly connector.

    8. Disconnect the H2 front No. 4 speaker assembly connector.

    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
      O42-13 (FR+) - I5-1 (TWR+) Always Below 1 Ω
      O42-28 (FR-) - I5-2 (TWR-) Always Below 1 Ω
      O42-12 (FL+) - J4-1 (TWL+) Always Below 1 Ω
      O42-27 (FL-) - J4-2 (TWL-) Always Below 1 Ω

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I5-3 (+) - I6-2 Always Below 1 Ω
      I5-4 (-) - I6-1 Always Below 1 Ω
      J4-3 (+) - J6-2 Always Below 1 Ω
      J4-4 (-) - J6-1 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
      O42-5 (WFR+) - I3-1 Always Below 1 Ω
      O42-20 (WFR-) - I3-2 Always Below 1 Ω
      O42-4 (WFL+) - J2-1 Always Below 1 Ω
      O42-19 (WFL-) - J2-2 Always Below 1 Ω

    12. 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
      O42-15 (RR+) - K1-1 (+TW) Always Below 1 Ω
      O42-30 (RR-) - K1-2 (-TW) Always Below 1 Ω
      O42-14 (RL+) - L1-1 (+TW) Always Below 1 Ω
      O42-29 (RL-) - L1-2 (-TW) Always Below 1 Ω

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K4-1 - K1-3 (+) Always Below 1 Ω
      K4-2 - K1-4 (-) Always Below 1 Ω
      L4-1 - L1-3 (+) Always Below 1 Ω
      L4-2 - L1-4 (-) Always Below 1 Ω

    14. Measure the resistance between the rear No. 3 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
      O42-6 (WF1+) - P22-3 (+) Always Below 1 Ω
      O42-21 (WF1-) - P22-4 (-) Always Below 1 Ω

    15. 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
      O42-7 (CTR+) - H2-2 Always Below 1 Ω
      O42-22 (CTR-) - H2-1 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
      O42-13 (FR+) - Body ground Always 10 kΩ or higher
      O42-28 (FR-) - Body ground Always 10 kΩ or higher
      O42-12 (FL+) - Body ground Always 10 kΩ or higher
      O42-27 (FL-) - Body ground Always 10 kΩ or higher
      O42-5 (WFR+) - Body ground Always 10 kΩ or higher
      O42-20 (WFR-) - Body ground Always 10 kΩ or higher
      O42-4 (WFL+) - Body ground Always 10 kΩ or higher
      O42-19 (WFL-) - Body ground Always 10 kΩ or higher
      O42-15 (RR+) - Body ground Always 10 kΩ or higher
      O42-30 (RR-) - Body ground Always 10 kΩ or higher
      O42-14 (RL+) - Body ground Always 10 kΩ or higher
      O42-29 (RL-) - Body ground Always 10 kΩ or higher
      O42-6 (WF1+) - Body ground Always 10 kΩ or higher
      O42-21 (WF1-) - Body ground Always 10 kΩ or higher
      O42-7 (CTR+) - Body ground Always 10 kΩ or higher
      O42-22 (CTR-) - 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
      I5-3 (+) - Body ground Always 10 kΩ or higher
      I5-4 (-) - Body ground Always 10 kΩ or higher
      J4-3 (+) - Body ground Always 10 kΩ or higher
      J4-4 (-) - Body ground Always 10 kΩ or higher

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K1-3 (+) - Body ground Always 10 kΩ or higher
      K1-4 (-) - Body ground Always 10 kΩ or higher
      L1-3 (+) - Body ground Always 10 kΩ or higher
      L1-4 (-) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. Resistance check


      1. A01NLRQE23
        Text in Illustration
        *A for RH
        *B for LH
        *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
        I6-2 - I6-1 Always 3.2 to 4.8 Ω
        J6-2 - J6-1 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here

    OK

  3. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Resistance check


      1. A01NJ53E26
        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
        I5-1 (TWR+) - I5-2 (TWR-) Always 10 kΩ or higher
        I5-1 (TWR+) - I5-3 (+) Always Below 1 Ω
        I5-2 (TWR-) - I5-4 (-) Always Below 1 Ω
        J4-1 (TWL+) - J4-2 (TWL-) Always 10 kΩ or higher
        J4-1 (TWL+) - J4-3 (+) Always Below 1 Ω
        J4-2 (TWL-) - J4-4 (-) Always Below 1 Ω

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  4. 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 FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

    END (FRONT NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

  5. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. A01NKFBE77
      Text in Illustration
      *A for RH
      *B for LH
      *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
        I3-1 - I3-2 Always 3.2 to 4.8 Ω
        J2-1 - J2-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

    OK

  6. INSPECT REAR SPEAKER ASSEMBLY


    1. Resistance check


      1. A01NKFBE78
        Text in Illustration
        *A for RH
        *B for LH
        *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
        K4-1 - K4-2 Always 3.2 to 4.8 Ω
        L4-1 - L4-2 Always 3.2 to 4.8 Ω

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  7. INSPECT REAR NO. 2 SPEAKER ASSEMBLY


    1. A01NJ53E27
      Text in Illustration
      *A for RH
      *B for LH
      *a

      Component without harness connected

      (Rear 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
        K1-1 (+TW) - K1-2 (-TW) Always 10 kΩ or higher
        K1-1 (+TW) - K1-3 (+) Always Below 1 Ω
        K1-2 (-TW) - K1-4 (-) Always Below 1 Ω
        L1-1 (+TW) - L1-2 (-TW) Always 10 kΩ or higher
        L1-1 (+TW) - L1-3 (+) Always Below 1 Ω
        L1-2 (-TW) - L1-4 (-) Always Below 1 Ω

    NG

    REPLACE REAR NO. 2 SPEAKER ASSEMBLY Click here

    OK

  8. REPLACE REAR 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 rear 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 NO. 3 SPEAKER ASSEMBLY Click here

    OK

    END (REAR NO. 2 SPEAKER ASSEMBLY WAS DEFECTIVE)

  9. INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. A01NJ53E32
      Text in Illustration
      *a

      Component without harness connected

      (Rear 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
        P22-3 (+) - P22-4 (-) Always 1.6 to 2.4 Ω

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

    OK

  10. INSPECT FRONT NO. 4 SPEAKER ASSEMBLY


    1. A01NLRQE25
      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
        H2-2 - H2-1 Always 4.8 to 7.2 Ω

    NG

    REPLACE FRONT NO. 4 SPEAKER ASSEMBLY Click here

    OK

    REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY Click here