INSPECTION PROCEDURE 4: No Sound from One Speaker. < Vehicles with Amplifier >: Diagnosis
- STEP 1. Check to see which speaker dose not sound.
Determine which speaker does not sound.
Q: Which speaker is not sounding?
Door speaker (LH) : Go to Step 2.
Door speaker (RH) : Go to Step 6.
Rear speaker (LH) : Go to Step 10.
Rear speaker (RH) : Go to Step 14.
Tweeter (LH) : Go to Step 18.
Tweeter (RH) : Go to Step 22.
Center speaker : Go to Step 26.
- STEP 2. Check the door speaker (LH).
- Remove the door speaker (LH). Refer to REMOVAL AND INSTALLATION .
- Check that the door speaker (LH) generates noise when a five-volt voltage is applied on the door speaker (LH) terminal.
Q: Is the door speaker (LH) generating noise?
YES : Go to Step 3.
NO: Replace the door speaker (LH). The door speaker (LH) should sound.
- STEP 3. Check door speaker (LH) connector E-10 and radio and audio amplifier connector D-19 for damage.
Q: Are door speaker (LH) connector E-10 and radio and audio amplifier connector D-19 in good condition?
YES : Go to Step 4.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION . The door speaker (LH) should sound.
- STEP 4. Check the wiring harnesses between door speaker (LH) connector E-10 (terminals 1 and 2) and amplifier connector D-19 (terminals 30 and 23).
NOTE: Also check intermediate connector C-211. If intermediate connector C-211 is damaged, repair or replace the connector as described in , HARNESS CONNECTOR INSPECTION .
Q: Are the wiring harnesses between door speaker (LH) connector E-10 (terminals 1 and 2) and amplifier connector D-19 (terminal 30s and 23) in good condition?
YES : Go to Step 5.
NO: Repair the wiring harness(es). The door speaker (LH) should sound.
- STEP 5. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The front speaker (LH) should sound.
- STEP 6. Check the door speaker (RH).
- Remove the door speaker (RH). Refer to REMOVAL AND INSTALLATION .
- Check that the door speaker (RH) generates noise when a five-volt voltage is applied on the door speaker (RH) terminal.
Q: Is the door speaker (RH) generating noise?
YES : Go to Step 7.
NO: Replace the door speaker (RH). The door speaker (RH) should sound.
- STEP 7. Check door speaker (RH) connector E-01 and amplifier connector D-19 for damage.
Q: Are door speaker (RH) connector E-01 and amplifier connector D-19 in good condition?
YES : Go to Step 8.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION . The door speaker (RH) should sound.
- STEP 8. Check the wiring harnesses between door speaker (RH) connector E-01 (terminals 1 and 2) and amplifier connector D-19 (terminals 28 and 29).
NOTE: Also check intermediate connector C-213. If intermediate connector C-213 is damaged, repair or replace the connector as described in , HARNESS CONNECTOR INSPECTION .
Q: Are the wiring harnesses between door speaker (RH) connector E-01 (terminals 1 and 2) and amplifier connector D-19 (terminals 28 and 29) in good condition?
YES : Go to Step 9.
NO: Repair the wiring harness(es). The door speaker (RH) should sound.
- STEP 9. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The front speaker (RH) should sound.
- STEP 10. Check the rear speaker (LH).
- Remove the rear speaker (LH). Refer to REMOVAL AND INSTALLATION .
- Check that the rear speaker (LH) generates noise when a five-volt voltage is applied on the rear speaker (LH) terminal.
Q: Is the rear speaker (LH) generating noise?
YES : Go to Step 11.
NO: Replace the rear speaker (LH). The rear speaker (LH) should sound.
- STEP 11. Check rear speaker (LH) connector F-15 and amplifier connector D-19 for damage.
Q: Are rear speaker (LH) connector F-15 and amplifier connector D-19 in good condition?
YES : Go to Step 12.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION . The rear speaker (LH) should sound.
- STEP 12. Check the wiring harness between rear speaker (LH) connector F-15 (terminals 1 and 2) and amplifier connector D-19 (terminals 31 and 32).
NOTE: Also check intermediate connector C-210. If intermediate connector C-210 is damaged, repair or replace the connector as described in , HARNESS CONNECTOR INSPECTION .
Q: Are the wiring harnesses between rear speaker (LH) connector F-15 (terminals 1 and 2) and amplifier connector D-19 (terminals 31 and 32) in good condition?
YES : Go to Step 13.
NO: Repair the wiring harness(es). The rear speaker (LH) should sound.
- STEP 13. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The rear speaker (LH) should sound.
- STEP 14. Check the rear speaker (RH).
- Remove the rear speaker (RH). Refer to REMOVAL AND INSTALLATION .
- Check that the rear speaker (RH) generates noise when a five-volt voltage is applied on the rear speaker (RH) terminal.
Q: Is the rear speaker (RH) generating noise?
YES : Go to Step 15.
NO: Replace the rear speaker (RH). The rear speaker (RH) should sound.
- STEP 15. Check rear speaker (RH) connector F-07 and amplifier connector D-19 for damage.
Q: Are rear speaker (RH) connector F-07 and amplifier connector D-19 in good condition?
YES : Go to Step 16.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION . The rear speaker (RH) should sound.
- STEP 16. Check the wiring harnesses between door speaker (RH) connector F-07 (terminals 1 and 2) and audio amplifier connector D-19 (terminals 24 and 25).
NOTE: Also check intermediate connector C-210. If intermediate connector C-210 is damaged, repair or replace the connector as described in , HARNESS CONNECTOR INSPECTION .
Q: Are the wiring harnesses between door speaker (RH) connector F-07 (terminals 1 and 2) and audio amplifier connector D-19 (terminals 24 and 25) in good condition?
YES : Go to Step 17.
NO: Repair the wiring harness(es). The rear speaker (RH) should sound.
- STEP 17. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The rear speaker (RH) should sound.
- STEP 18. Check the tweeter (LH).
- Remove the tweeter (LH). Refer to REMOVAL AND INSTALLATION .
- Check that the tweeter (LH) generates noise when a five-volt voltage is applied on the tweeter (LH) terminal.
Q: Is the tweeter (LH) generating noise?
YES : Go to Step 19.
NO: Replace the tweeter (LH). The tweeter (LH) should sound.
- STEP 19. Check tweeter (LH) connector E-08 and amplifier connector D-19 for damage.
Q: Are tweeter (LH) connector E-08 and amplifier connector D-19 in good condition?
YES : Go to Step 20.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION . The tweeter (LH) should sound.
- STEP 20. Check the wiring harnesses between tweeter (LH) connector E-08 (terminals 1 and 2) and amplifier connector D-19 (terminals 27 and 22).
NOTE: Also check intermediate connector C-211. If intermediate connector C-211 is damaged, repair or replace the connector as described in , HARNESS CONNECTOR INSPECTION .
Q: Are the wiring harnesses between tweeter (LH) connector E-08 (terminals 1 and 2) and amplifier connector D-19 (terminals 27 and 22) in good condition?
YES : Go to Step 21.
NO: Repair the wiring harness(es). The tweeter (LH) should sound.
- STEP 21. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The tweeter (LH) should sound.
- STEP 22. Check the tweeter (RH).
- Remove the tweeter (RH). Refer to REMOVAL AND INSTALLATION .
- Check that the tweeter (RH) generates noise when a five-volt voltage is applied on the tweeter (RH) terminal.
Q: Is the tweeter (RH) generating noise?
YES : Go to Step 23.
NO: Replace the tweeter (RH). The tweeter (RH) should sound.
- STEP 23. Check tweeter (RH) connector E-03 and amplifier connector D-19 for damage.
Q: Are tweeter (RH) connector E-03 and amplifier connector D-19 in good condition?
YES : Go to Step 24.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION . The tweeter (RH) should sound.
- STEP 24. Check the wiring harnesses between tweeter (RH) connector E-03 (terminals 1 and 2) and amplifier connector D-19 (terminals 21 and 26).
NOTE: Also check intermediate connector C-213. If intermediate connector C-213 is damaged, repair or replace the connector as described in , HARNESS CONNECTOR INSPECTION .
Q: Are the wiring harnesses between tweeter (RH) connector E-03 (terminals 1 and 2) and amplifier connector D-19 (terminals 21 and 26) in good condition?
YES : Go to Step 25.
NO: Repair the wiring harness(es). The tweeter (RH) should sound.
- STEP 25. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The tweeter (RH) should sound.
- STEP 26. Check the center speaker.
- Remove the center speaker. Refer to REMOVAL AND INSTALLATION .
- Check that the center speaker generates noise when a five-volt voltage is applied on the center speaker terminal.
Q: Is the center speaker generating noise?
YES : Go to Step 27.
NO: Replace the center speaker. The center speaker should sound.
- STEP 27. Check center speaker connector C-07 and amplifier connector D-19 for damage.
Q: Are center speaker connector C-07 and amplifier connector D-19 in good condition?
YES : Go to Step 28.
NO: Repair or replace the connector(s). Refer to , HARNESS CONNECTOR INSPECTION .
- STEP 28. Check the wiring harness between center speaker connector C-07 (terminals 1 and 2) and amplifier connector D-19 (terminals 21 and 26).
Q: Is the wiring harness between center speaker connector C-07 (terminals 1 and 2) and amplifier connector D-19 (terminals 21 and 26) in good condition?
YES : Go to Step 29.
NO: Repair the wiring harness. The center speaker should sound.
- STEP 29. Replace the radio and CD player.
Q: Do the speakers sound?
YES : There is no action to be taken.
NO: Repair or replace the amplifier. The tweeter (RH) should sound.