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AUDIO AND VISUAL SYSTEM(w/o Parallel Parking Assist Function) Speaker Circuit

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DTC Code DTC Name
  Speaker Circuit
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DESCRIPTION

If there is a short in a speaker circuit, the stereo component amplifier assembly detects it and stops output to the speakers.

Thus sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly* or speakers.

*: for 10 Speakers

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WIRING DIAGRAM


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  1. A0022LAE08

    for 6 Speakers

  2. A0020QRE35
    A00216FE01

    for 10 Speakers

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PROCEDURE


  1. Click here

    CONFIRM MODEL


    1. Choose the model to be inspected.

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

  2. Click here

    CHECK SPEAKER (OPERATION CHECK)


    1. A0021U5

      Enter the "System Check Mode" screen. Refer to Check SP Check On 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. 2 speaker assembly A
      Front No. 1 speaker assembly B
      Rear speaker assembly C
      Rear No. 3 speaker assembly D
      Front No. 3 speaker assembly E
      Tip:

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


  3. Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K55 and K56 front No. 2 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-13 (FR+) - K55-2 (+) Always Below 1 Ω
      P23-28 (FR-) - K55-1 (-) Always Below 1 Ω
      P23-12 (FL+) - K56-2 (+) Always Below 1 Ω
      P23-27 (FL-) - K56-1 (-) Always Below 1 Ω
      P23-13 (FR+) or K55-2 (+) - Body ground Always 10 kΩ or higher
      P23-28 (FR-) or K55-1 (-) - Body ground Always 10 kΩ or higher
      P23-12 (FL+) or K56-2 (+) - Body ground Always 10 kΩ or higher
      P23-27 (FL-) or K56-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. Click here

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      Click here

    2. Inspect the front No. 2 speaker assembly.

      Click here

      OK
      Malfunction disappears.
      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE FRONT NO. 2 SPEAKER ASSEMBLYClick here

  5. Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-5 (WFR+) - N14-1 Always Below 1 Ω
      P23-20 (WFR-) - N14-2 Always Below 1 Ω
      P23-4 (WFL+) - N29-1 Always Below 1 Ω
      P23-19 (WFL-) - N29-2 Always Below 1 Ω
      P23-5 (WFR+) or N14-1 - Body ground Always 10 kΩ or higher
      P23-20 (WFR-) or N14-2 - Body ground Always 10 kΩ or higher
      P23-4 (WFL+) or N29-1 - Body ground Always 10 kΩ or higher
      P23-19 (WFL-) or N29-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. Click here

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Click here

    2. Inspect the front No. 1 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE FRONT NO. 1 SPEAKER ASSEMBLYClick here

  7. Click here

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


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the O4 and O9 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-15 (RR+) - O4-1 Always Below 1 Ω
      P23-30 (RR-) - O4-2 Always Below 1 Ω
      P23-14 (RL+) - O9-1 Always Below 1 Ω
      P23-29 (RL-) - O9-2 Always Below 1 Ω
      P23-15 (RR+) or O4-1 - Body ground Always 10 kΩ or higher
      P23-30 (RR-) or O4-2 - Body ground Always 10 kΩ or higher
      P23-14 (RL+) or O9-1 - Body ground Always 10 kΩ or higher
      P23-29 (RL-) or O9-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. Click here

    INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE REAR SPEAKER ASSEMBLYClick here

  9. Click here

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - REAR NO. 3 SPEAKER ASSEMBLY)


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the P27 rear No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-6 (WF1+) - P27-1 Always Below 1 Ω
      P23-21 (WF1-) - P27-2 Always Below 1 Ω
      P23-6 (WF1+) or P27-1 - Body ground Always 10 kΩ or higher
      P23-21 (WF1-) or P27-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. Click here

    INSPECT REAR NO. 3 SPEAKER ASSEMBLY


    1. Remove the rear No. 3 speaker assembly.

      Click here

    2. Inspect the rear No. 3 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE REAR NO. 3 SPEAKER ASSEMBLYClick here

  11. Click here

    CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY)


    1. Disconnect the P23 stereo component amplifier assembly connector.

    2. Disconnect the K57 front No. 3 speaker assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P23-7 (CTR+) - K57-2 (+) Always Below 1 Ω
      P23-22 (CTR-) - K57-1 (-) Always Below 1 Ω
      P23-7 (CTR+) or K57-2 (+) - Body ground Always 10 kΩ or higher
      P23-22 (CTR-) or K57-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. Click here

    INSPECT FRONT NO. 3 SPEAKER ASSEMBLY


    1. Remove the front No. 3 speaker assembly.

      Click here

    2. Inspect the front No. 3 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE FRONT NO. 3 SPEAKER ASSEMBLYClick here

  13. Click here

    CHECK SPEAKER (OPERATION CHECK)


    1. A0021U5

      Enter the "System Check Mode" screen. Refer to Check SP Check On 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
      Tip:

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


  14. Click here

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


    1. Disconnect the K70 radio receiver assembly connector.

    2. Disconnect the K55 and K56 front No. 2 speaker assembly connectors.

    3. Disconnect the N14 and N29 front No. 1 speaker assembly connectors.

    4. Disconnect the K69 radio setting condenser connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K70-1 (FR+) - N14-1 Always Below 1 Ω
      K70-5 (FR-) - N14-2 Always Below 1 Ω
      K70-2 (FL+) - N29-1 Always Below 1 Ω
      K70-6 (FL-) - N29-2 Always Below 1 Ω
      K70-1 (FR+) - K69-3 (RIN) Always Below 1 Ω
      K70-5 (FR-) - K69-6 (ROUT) Always Below 1 Ω
      K70-2 (FL+) - K69-1 (LIN) Always Below 1 Ω
      K70-6 (FL-) - K69-2 (LOUT) Always Below 1 Ω
      K55-2 - K69-8 (RI+) Always Below 1 Ω
      K55-1 - K69-7 (RI-) Always Below 1 Ω
      K56-2 - K69-4 (LI+) Always Below 1 Ω
      K56-1 - K69-5 (LI-) Always Below 1 Ω
      K70-1 (FR+) or K69-3 (RIN) - Body ground Always 10 kΩ or higher
      K70-5 (FR-) or K69-6 (ROUT) - Body ground Always 10 kΩ or higher
      K70-2 (FL+) or K69-1 (LIN) - Body ground Always 10 kΩ or higher
      K70-6 (FL-) or K69-2 (LOUT) - Body ground Always 10 kΩ or higher
      K55-2 or K69-8 (RI+) - Body ground Always 10 kΩ or higher
      K55-1 or K69-7 (RI-) - Body ground Always 10 kΩ or higher
      K56-2 or K69-4 (LI+) - Body ground Always 10 kΩ or higher
      K56-1 or K69-5 (LI-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  15. Click here

    INSPECT FRONT NO. 1 SPEAKER ASSEMBLY


    1. Remove the front No. 1 speaker assembly.

      Click here

    2. Inspect the front No. 1 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

  16. Click here

    INSPECT RADIO SETTING CONDENSER


    1. Remove the radio setting condenser.

    2. A00219MC01
      *a

      Component without harness connected

      (Radio Setting Condenser)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 (RIN) - 8 (RI+) Always 10 kΩ or higher
      6 (ROUT) - 7 (RI-) Always Below 1 Ω
      1 (LIN) - 4 (LI+) Always 10 kΩ or higher
      2 (LOUT) - 5 (LI-) Always Below 1 Ω
      3 (RIN) - 6 (ROUT) Always 10 kΩ or higher
      1 (LIN) - 2 (LOUT) Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

  17. Click here

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY


    1. Remove the front No. 2 speaker assembly.

      Click here

    2. Inspect the front No. 2 speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE FRONT NO. 2 SPEAKER ASSEMBLYClick here

  18. Click here

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


    1. Disconnect the K71 radio receiver assembly connector.

    2. Disconnect the O4 and O9 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K71-1 (RR+) - P27-1 Always Below 1 Ω
      K71-3 (RR-) - P27-2 Always Below 1 Ω
      K71-2 (RL+) - O9-1 Always Below 1 Ω
      K71-6 (RL-) - O9-2 Always Below 1 Ω
      K71-1 (RR+) or O4-1 - Body ground Always 10 kΩ or higher
      K71-3 (RR-) or O4-2 - Body ground Always 10 kΩ or higher
      K71-2 (RL+) or O9-1 - Body ground Always 10 kΩ or higher
      K71-6 (RL-) or O9-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  19. Click here

    INSPECT REAR SPEAKER ASSEMBLY


    1. Remove the rear speaker assembly.

      Click here

    2. Inspect the rear speaker assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

    • NG

      REPLACE REAR SPEAKER ASSEMBLYClick here