AUDIO AND VISUAL SYSTEM(for 7 Inch Display) Speaker Circuit

DESCRIPTION



WIRING DIAGRAM

Figure 1. for 6 Speakers

B00739AE19

Figure 2. for 10 Speakers

B0074P1E19
B0077O7E43

CAUTION / NOTICE / HINT

Note


  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here

PROCEDURE


  1. CONFIRM MODEL


    1. Choose the model to be inspected.

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

    B

    CHECK SPEAKER (OPERATION CHECK) Click here

    A

  2. CHECK SPEAKER (OPERATION CHECK)


    1. B007490

      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

      Tech Tips

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


    B

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

    C

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

    A

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


    1. Disconnect the O161 radio receiver assembly connector.

    2. Disconnect the R14 and S14 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
      O161-1 (FR+) - R14-1 Always Below 1 Ω
      O161-6 (FR-) - R14-2 Always Below 1 Ω
      O161-2 (FL+) - S14-1 Always Below 1 Ω
      O161-7 (FL-) - S14-2 Always Below 1 Ω
      O161-1 (FR+) or R14-1 - Body ground Always 10 kΩ or higher
      O161-6 (FR-) or R14-2 - Body ground Always 10 kΩ or higher
      O161-2 (FL+) or S14-1 - Body ground Always 10 kΩ or higher
      O161-7 (FL-) or S14-2 - 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.

      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 TABLE Click here

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the O161 radio receiver assembly connector.

    2. Disconnect the O67 radio setting condenser connector.

    3. Disconnect the O54 and O55 front No. 2 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O161-1 (FR+) - O67-3 (RIN) Always Below 1 Ω
      O161-6 (FR-) - O67-6 (ROUT) Always Below 1 Ω
      O161-2 (FL+) - O67-1 (LIN) Always Below 1 Ω
      O161-7 (FL-) - O67-2 (LOUT) Always Below 1 Ω
      O67-8 (RI+) - O54-2 Always Below 1 Ω
      O67-7 (RI-) - O54-1 Always Below 1 Ω
      O67-4 (LI+) - O55-2 Always Below 1 Ω
      O67-5 (LI-) - O55-1 Always Below 1 Ω
      O161-1 (FR+) or O67-3 (RIN) - Body ground Always 10 kΩ or higher
      O161-6 (FR-) or O67-6 (ROUT) - Body ground Always 10 kΩ or higher
      O161-2 (FL+) or O67-1 (LIN) - Body ground Always 10 kΩ or higher
      O161-7 (FL-) or O67-2 (LOUT) - Body ground Always 10 kΩ or higher
      O67-7 (RI-) or O54-1 - Body ground Always 10 kΩ or higher
      O67-8 (RI+) or O54-2 - Body ground Always 10 kΩ or higher
      O67-5 (LI-) or O55-1 - Body ground Always 10 kΩ or higher
      O67-4 (LI+) or O55-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT 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

    NG

    REPLACE FRONT NO. 2 SPEAKER ASSEMBLY Click here

    OK

  7. REPLACE RADIO SETTING CONDENSER


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

      OK
      Malfunction disappears.
      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

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

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


    1. Disconnect the O161 radio receiver assembly connector.

    2. Disconnect the T25 and U35 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O161-4 (RR+) - T25-1 Always Below 1 Ω
      O161-9 (RR-) - T25-2 Always Below 1 Ω
      O161-3 (RL+) - U35-1 Always Below 1 Ω
      O161-8 (RL-) - U35-2 Always Below 1 Ω
      O161-4 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      O161-9 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      O161-3 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      O161-8 (RL-) or U35-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. 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 TABLE Click here

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

  10. CHECK SPEAKER (OPERATION CHECK)


    1. B007490

      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. 2 speaker assembly

      (w/ Manual (SOS) Switch)

      		 A

      Front No. 2 speaker assembly

      (w/o Manual (SOS) Switch)

      		 B
      Front No. 1 speaker assembly C
      Rear speaker assembly D
      Rear No. 3 speaker assembly E
      Front No. 3 speaker assembly F

      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 - FRONT NO. 1 SPEAKER ASSEMBLY) Click here

    D

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

    E

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

    F

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

    A

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the O150 telematics transceiver connector.

    3. Disconnect the O54 and O55 front No. 2 speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T20-13 (FR+) - O150-2 (SPI+) Always Below 1 Ω
      T20-28 (FR-) - O150-3 (SPI-) Always Below 1 Ω
      O150-5 (SPO+) - O54-2 (+) Always Below 1 Ω
      O150-6 (SPO-) - O54-1 (-) Always Below 1 Ω
      T20-12 (FL+) - O55-2 (+) Always Below 1 Ω
      T20-27 (FL-) - O55-1 (-) Always Below 1 Ω
      T20-13 (FR+) or O150-2 (SPI+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O150-3 (SPI-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - Body ground Always 10 kΩ or higher
      O54-1 (-) or O150-6 (SPO-) - Body ground Always 10 kΩ or higher
      O54-2 (+) or O150-5 (SPO+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. INSPECT TELEMATICS TRANSCEIVER


    1. Remove the telematics transceiver.

      Click here

    2. B00771JC05
      *a

      Component without harness connected

      (Telematics Transceiver)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2 (SPI+) - 5 (SPO+) Always Below 1 Ω
      3 (SPI-) - 6 (SPO-) Always Below 1 Ω
      2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher
      5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher
      2 (SPI+) or 5 (SPO+) - Body ground Always 10 kΩ or higher
      3 (SPI-) or 6 (SPO-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE TELEMATICS TRANSCEIVER Click here

    OK

  13. 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

    END

    NG

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

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the O54 and O55 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
      T20-13 (FR+) - O54-2 (+) Always Below 1 Ω
      T20-28 (FR-) - O54-1 (-) Always Below 1 Ω
      T20-12 (FL+) - O55-2 (+) Always Below 1 Ω
      T20-27 (FL-) - O55-1 (-) Always Below 1 Ω
      T20-13 (FR+) or O54-2 (+) - Body ground Always 10 kΩ or higher
      T20-28 (FR-) or O54-1 (-) - Body ground Always 10 kΩ or higher
      T20-12 (FL+) or O55-2 (+) - Body ground Always 10 kΩ or higher
      T20-27 (FL-) or O55-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  15. 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

    END

    NG

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

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the R14 and S14 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
      T20-5 (WFR+) - R14-1 Always Below 1 Ω
      T20-20 (WFR-) - R14-2 Always Below 1 Ω
      T20-4 (WFL+) - S14-1 Always Below 1 Ω
      T20-19 (WFL-) - S14-2 Always Below 1 Ω
      T20-5 (WFR+) or R14-1 - Body ground Always 10 kΩ or higher
      T20-20 (WFR-) or R14-2 - Body ground Always 10 kΩ or higher
      T20-4 (WFL+) or S14-1 - Body ground Always 10 kΩ or higher
      T20-19 (WFL-) or S14-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  17. 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 TABLE Click here

    NG

    REPLACE FRONT NO. 1 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the T25 and U35 rear speaker assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T20-9 (RR+) - T25-1 Always Below 1 Ω
      T20-24 (RR-) - T25-2 Always Below 1 Ω
      T20-8 (RL+) - U35-1 Always Below 1 Ω
      T20-23 (RL-) - U35-2 Always Below 1 Ω
      T20-9 (RR+) or T25-1 - Body ground Always 10 kΩ or higher
      T20-24 (RR-) or T25-2 - Body ground Always 10 kΩ or higher
      T20-8 (RL+) or U35-1 - Body ground Always 10 kΩ or higher
      T20-23 (RL-) or U35-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  19. 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 TABLE Click here

    NG

    REPLACE REAR SPEAKER ASSEMBLY Click here

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the T24 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
      T20-6 (WF1+) - T24-1 Always Below 1 Ω
      T20-21 (WF1-) - T24-2 Always Below 1 Ω
      T20-6 (WF1+) or T24-1 - Body ground Always 10 kΩ or higher
      T20-21 (WF1-) or T24-2 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  21. 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 TABLE Click here

    NG

    REPLACE REAR NO. 3 SPEAKER ASSEMBLY Click here

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


    1. Disconnect the T20 stereo component amplifier assembly connector.

    2. Disconnect the O56 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
      T20-7 (CTR+) - O56-2 (+) Always Below 1 Ω
      T20-22 (CTR-) - O56-1 (-) Always Below 1 Ω
      T20-7 (CTR+) or O56-2 (+) - Body ground Always 10 kΩ or higher
      T20-22 (CTR-) or O56-1 (-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  23. 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 TABLE Click here

    NG

    REPLACE FRONT NO. 3 SPEAKER ASSEMBLY Click here