NAVIGATION SYSTEM Speaker Circuit

DESCRIPTION



WIRING DIAGRAM


  1. for 6 Speakers

    A01T9H0E53

  2. for 9 Speakers

    A01TCXXE01
    A01T9OAE04
    *a Rear Speaker Assembly RH
    *b Rear Speaker Assembly LH
    *c No. 1 Speaker with Box Assembly
    *d Stereo Component Amplifier Assembly

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for 6 Speakers A
      for 9 Speakers B

    B

    CHECK SPEAKER (OPERATION CHECK) Click here

    A

  2. CHECK SPEAKER (OPERATION CHECK)


    1. A01T950

      Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.

      Click here

    2. Perform the operation check above and determine the speaker that is not operating.

      Result
      Not Operating Speaker Proceed to
      Front No. 1 speaker assembly or front No. 2 speaker assembly A
      Rear speaker assembly B

      Tech Tips

      If sound cannot be heard from any speaker, inspect all of them.


    B

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY) Click here

    A

  3. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)


    1. Disconnect the E1 radio and display receiver assembly connector.

    2. Disconnect the G1 and H1 front No. 1 speaker assembly connectors.

    3. Disconnect the G4 and H5 front No. 2 speaker assembly connectors.

    4. 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
      E1-1 (FR+) - G4-4 (TWR+) Always Below 1 Ω
      E1-5 (FR-) - G4-2 (TWR-) Always Below 1 Ω
      E1-2 (FL+) - H5-4 (TWL+) Always Below 1 Ω
      E1-6 (FL-) - H5-2 (TWL-) Always Below 1 Ω

    5. 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
      G1-1 - G4-3 (+) Always Below 1 Ω
      G1-2 - G4-1 (-) Always Below 1 Ω
      H1-1 - H5-3 (+) Always Below 1 Ω
      H1-2 - H5-1 (-) Always Below 1 Ω

    6. 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
      E1-1 (FR+) - Body ground Always 10 kΩ or higher
      E1-5 (FR-) - Body ground Always 10 kΩ or higher
      E1-2 (FL+) - Body ground Always 10 kΩ or higher
      E1-6 (FL-) - Body ground Always 10 kΩ or higher

    7. 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
      G4-3 (+) - Body ground Always 10 kΩ or higher
      G4-1 (-) - Body ground Always 10 kΩ or higher
      H5-3 (+) - Body ground Always 10 kΩ or higher
      H5-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      for Sedan: Click here

      for Hatchback, Wagon: Click here

    2. A01T9OZC30
      *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
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY for Sedan: Click here
    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY for Hatchback, Wagon: Click here

    OK

  5. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      for Sedan: Click here

      for Hatchback, Wagon: Click here

    2. A01TAH2C11
      *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 (for RH)
      Tester Connection Condition Specified Condition
      4 (TWR+) - 2 (TWR-) Always 10 kΩ or higher
      3 (+) - 4 (TWR+) Always Below 1 Ω
      1 (-) - 2 (TWR-) Always Below 1 Ω
      Standard Resistance (for LH)
      Tester Connection Condition Specified Condition
      4 (TWL+) - 2 (TWL-) Always 10 kΩ or higher
      3 (+) - 4 (TWL+) Always Below 1 Ω
      1 (-) - 2 (TWL-) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY for Sedan: Click here
    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY for Hatchback, Wagon: Click here

    OK

  6. REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


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

      for Sedan: Click here

      for Hatchback, Wagon: 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 No. 2 speaker assembly is defective, inspect by interchanging the right one with the left one.

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

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

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

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


    1. Disconnect the E2 radio and display receiver assembly connector.

    2. Disconnect the L79 and L80 rear speaker assembly connectors (for Sedan).

      Disconnect the J2 and K2 rear speaker assembly connectors (for Hatchback, Wagon).

    3. 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 (for Sedan)
      Tester Connection Condition Specified Condition
      E2-1 (RR+) - L79-1 Always Below 1 Ω
      E2-3 (RR-) - L79-2 Always Below 1 Ω
      E2-2 (RL+) - L80-1 Always Below 1 Ω
      E2-6 (RL-) - L80-2 Always Below 1 Ω
      Standard Resistance (for Hatchback, Wagon)
      Tester Connection Condition Specified Condition
      E2-1 (RR+) - J2-1 Always Below 1 Ω
      E2-3 (RR-) - J2-2 Always Below 1 Ω
      E2-2 (RL+) - K2-1 Always Below 1 Ω
      E2-6 (RL-) - K2-2 Always Below 1 Ω

    4. 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
      E2-1 (RR+) - Body ground Always 10 kΩ or higher
      E2-3 (RR-) - Body ground Always 10 kΩ or higher
      E2-2 (RL+) - Body ground Always 10 kΩ or higher
      E2-6 (RL-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      for Sedan: Click here

      for Hatchback, Wagon: Click here

    2. A01T9OZC30
      *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
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE REAR SPEAKER ASSEMBLY for Sedan: Click here
    REPLACE REAR SPEAKER ASSEMBLY for Hatchback, Wagon: Click here

  9. CHECK SPEAKER (OPERATION CHECK)


    1. A01T950

      Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.

      Click here

    2. Perform the operation check above and determine the speaker that is not operating.

      Result
      Not Operating Speaker Proceed to
      Front No. 1 speaker assembly A
      Front No. 2 speaker assembly B
      Rear speaker assembly C
      No. 1 speaker with box assembly D

      Tech Tips

      If sound cannot be heard from any speaker, inspect all of them.


    B

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY) Click here

    C

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY) Click here

    D

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - NO. 1 SPEAKER WITH BOX ASSEMBLY) Click here

    A

  10. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY)


    1. Disconnect the E91 stereo component amplifier assembly connector.

    2. Disconnect the G1 and H1 front No. 1 speaker assembly connectors.

    3. 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
      E91-15 (FR+) - G1-1 Always Below 1 Ω
      E91-30 (FR-) - G1-2 Always Below 1 Ω
      E91-12 (FL+) - H1-1 Always Below 1 Ω
      E91-27 (FL-) - H1-2 Always Below 1 Ω

    4. 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
      E91-15 (FR+) - Body ground Always 10 kΩ or higher
      E91-30 (FR-) - Body ground Always 10 kΩ or higher
      E91-12 (FL+) - Body ground Always 10 kΩ or higher
      E91-27 (FL-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Click here

    2. A01T9OZC30
      *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 5.2 Ω
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

  12. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)


    1. Disconnect the E91 stereo component amplifier assembly connector.

    2. Disconnect the G4 and H5 front No. 2 speaker assembly connectors.

    3. 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
      E91-13 (TWR+) - G4-4 Always Below 1 Ω
      E91-28 (TWR-) - G4-2 Always Below 1 Ω
      E91-14 (TWL+) - H5-4 Always Below 1 Ω
      E91-29 (TWL-) - H5-2 Always Below 1 Ω

    4. 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
      E91-13 (TWR+) - Body ground Always 10 kΩ or higher
      E91-28 (TWR-) - Body ground Always 10 kΩ or higher
      E91-14 (TWL+) - Body ground Always 10 kΩ or higher
      E91-29 (TWL-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  13. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      Click here

    2. A01TAH2C12
      *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
      4 - 2 Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  14. 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 speaker is defective, inspect by interchanging the right one with the left one.

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

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

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

  15. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR SPEAKER ASSEMBLY)


    1. Disconnect the E91 stereo component amplifier assembly connector.

    2. Disconnect the J2 and K2 rear speaker assembly connectors.

    3. 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
      E91-11 (RR+) - J2-1 (+) Always Below 1 Ω
      E91-26 (RR-) - J2-2 (-) Always Below 1 Ω
      E91-10 (RL+) - K2-1 (+) Always Below 1 Ω
      E91-25 (RL-) - K2-2 (-) Always Below 1 Ω

    4. 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
      E91-11 (RR+) - Body ground Always 10 kΩ or higher
      E91-26 (RR-) - Body ground Always 10 kΩ or higher
      E91-10 (RL+) - Body ground Always 10 kΩ or higher
      E91-25 (RL-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. A01T9OZC69
      *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 3.6 to 4.4 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

    OK

  17. REPLACE REAR 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 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 the LH and RH side.

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

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

  18. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - NO. 1 SPEAKER WITH BOX ASSEMBLY)


    1. Disconnect the E91 stereo component amplifier assembly connector.

    2. Disconnect the L44 No. 1 speaker with box assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E91-9 (WFR+) - L44-1 (WF+) Always Below 1 Ω
      E91-24 (WFR-) - L44-3 (WF-) Always Below 1 Ω
      E91-8 (WFL+) - L44-4 (WF+) Always Below 1 Ω
      E91-23 (WFL-) - L44-2 (WF-) Always Below 1 Ω

    4. 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
      E91-9 (WFR+) - Body ground Always 10 kΩ or higher
      E91-24 (WFR-) - Body ground Always 10 kΩ or higher
      E91-8 (WFL+) - Body ground Always 10 kΩ or higher
      E91-23 (WFL-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  19. INSPECT NO. 1 SPEAKER WITH BOX ASSEMBLY


    1. Remove the No. 1 speaker with box assembly.

      for Wagon: Click here

      for Hatchback: Click here

    2. A01TB6EC17
      *a

      Component without harness connected

      (No. 1 Speaker with Box Assembly)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (WF+) - 3 (WF-) Always 4.0 to 6.4 Ω
      2 (WF-) - 4 (WF+) Always 4.0 to 6.4 Ω
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY for Wagon: Click here
    REPLACE NO. 1 SPEAKER WITH BOX ASSEMBLY for Hatchback: Click here