STEP 1. Checking with audio speaker test.
STEP 2. Check the speaker, tweeter or subwoofer.
(1) Remove the speaker, tweeter or subwoofer.
(2) Check that the speaker, tweeter or subwoofer outputs the noise when the voltage of 5 V is applied to the speaker, tweeter or subwoofer connector terminal.
Is the check result normal?
Go to Step 3. Replace the speaker, tweeter or subwoofer.
STEP 3. Check the following connectors.
STEP 4. Check the wire harness between the speaker, tweeter or subwoofer connector terminal and the audio amplifier connector terminal.
Check the communication lines for short circuit.- <Front door speaker (LH)> Check the wiring harness between front door speaker (LH) connector F-11 (terminal 1, 2) and audio amplifier connector D-07 (terminal 28, 38).
note | Also check intermediate connector C-16, C-225 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-225 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Front door speaker (RH)> Check the wiring harness between front door speaker (RH) connector F-08 (terminal 1, 2) and audio amplifier connector D-07 (terminal 26, 36).
note | Also check intermediate connector C-16, C-212 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-212 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Rear door speaker (LH)> Check the wiring harness between rear door speaker (LH) connector F-23 (terminal 1, 2) and audio amplifier connector D-06 (terminal 6, 14).
note | Also check intermediate connector F-22 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector F-22 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Rear door speaker (RH)> Check the wiring harness between rear door speaker (RH) connector F-20 (terminal 1, 2) and audio amplifier connector D-06 (terminal 1, 7).
note | Also check intermediate connector F-21 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector F-21 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Tweeter (LH)> Check the wiring harness between tweeter (LH) connector F-02 (terminal 1, 2) and audio amplifier connector D-06 (terminal 13, 5).
note | Also check intermediate connector C-16, C-225 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-225 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Tweeter (RH)> Check the wiring harness between tweeter (RH) connector F-03 (terminal 1, 2) and audio amplifier connector D-06 (terminal 8, 2).
note | Also check intermediate connector C-16, C-212 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-212 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Subwoofer> Check the wiring harness subwoofer connector D-14 (terminal 1, 2, 3, 4) and audio amplifier connector D-06 (terminal 30, 22, 29, 21).
Is the check result normal?
Go to Step 8. The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.
STEP 5. Check the speaker, tweeter or subwoofer.
Follow the speaker test to check which speaker, tweeter or subwoofer does not sound.(1) Remove the speaker, tweeter or subwoofer.
(2) Check that the speaker, tweeter or subwoofer outputs the noise when the voltage of 5 V is applied to the speaker, tweeter or subwoofer connector terminal.
Do the speaker output the noise?
Go to Step 6. Replace the speaker, tweeter or subwoofer.
STEP 6. Check the following connectors.
STEP 7. Check the wire harness between the speaker, tweeter or subwoofer connector terminal and audio amplifier connector terminal.
Follow the speaker test to check which speaker, tweeter or subwoofer circuit is defective.Check the communication lines for short circuit.
- <Front door speaker (LH)> Check the wiring harness between front door speaker (LH) connector F-11 (terminal 1, 2) and audio amplifier connector D-07 (terminal 28, 38).
note | Also check intermediate connector C-16, C-225 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-225 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Front door speaker (RH)> Check the wiring harness between front door speaker (RH) connector F-08 (terminal 1, 2) and audio amplifier connector D-07 (terminal 26, 36).
note | Also check intermediate connector C-16, C-212 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-212 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Rear door speaker (LH)> Check the wiring harness between rear door speaker (LH) connector F-23 (terminal 1, 2) and audio amplifier connector D-06 (terminal 6, 14).
note | Also check intermediate connector F-22 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector F-22 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Rear door speaker (RH)> Check the wiring harness between rear door speaker (RH) connector F-20 (terminal 1, 2) and audio amplifier connector D-06 (terminal 1, 7).
note | Also check intermediate connector F-21 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector F-21 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Tweeter (LH)> Check the wiring harness between tweeter (LH) connector F-02 (terminal 1, 2) and audio amplifier connector D-06 (terminal 13, 5).
note | Also check intermediate connector C-16, C-225 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-225 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Tweeter (RH)> Check the wiring harness between tweeter (RH) connector F-03 (terminal 1, 2) and audio amplifier connector D-06 (terminal 8, 2).
note | Also check intermediate connector C-16, C-212 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16, C-212 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
- <Subwoofer> Check the wiring harness subwoofer connector D-14 (terminal 1, 2, 3, 4) and audio amplifier connector D-06 (terminal 30, 22, 29, 21).
Is the check result normal?
Go to Step 8. The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.
STEP 8. Check the harness wire between multivision display connector C-138 (terminal 26, 28, 36, 38) and audio amplifier connector D-06 (terminal 10, 4, 11, 12).
- Check the communication lines for open circuit and short circuit.
note | Also check intermediate connector C-16 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-16 is damaged, repair or replace the connector as described in GROUP 00E, Harness Connector Inspection . |
Is the wiring harness between multivision display connector C-138 (terminal 26, 28, 36, 38) and audio amplifier connector D-06 (terminal 10, 4, 11, 12) in good condition?
Go to Step 9. The wiring harness may be damaged or the connector(s) may have loose, corroded or damaged terminals, or terminals pushed back in the connector. Repair the wiring harness as necessary.
STEP 9. Retest the system.