Inspection Procedure 3

No sound From One Speaker.

Part 1:

Part 2:

CIRCUIT OPERATION
The sound is heard from the speaker according to audio signal output from the radio and CD player.

TROUBLESHOOTING HINTS
- Malfunction of the speaker.

TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty speaker circuit system.
- Damaged harness wire or connector.
- Malfunction of the radio and CD player.

DIAGNOSIS

STEP 1. Check which speaker has no sound.

1. Use the speaker test to determine which speaker does not sound.

Q: Which speaker has no sound?
The front door speaker (LH) and the tweeter (LH) do not sound. : Go to Step 2.
The front door speaker (RH) and the tweeter (RH) do not sound. : Go to Step 4.
Only the front door speaker (LH) does not sound. : Go to Step 6.
Only the front door speaker (RH) does not sound. : Go to Step 10.
Only the rear door speaker (LH) does not sound. : Go to Step 14.
Only the rear door speaker (RH) does not sound. : Go to Step 18.
The tweeter (LH) does not sound. : Go to Step 22.
The tweeter (RH) does not sound. : Go to Step 26.




STEP 2. Check radio and CD player connector C-103 and intermediate connector C-17 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Are radio and CD player connector C-103 and intermediate connector C-17 in good condition?

YES: Go to Step 3.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The door speaker (LH) should sound.




STEP 3. Check the wiring harness between intermediate connector C-17 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 5 and 13).

Q: Is the wiring harness between intermediate connector C-17 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 5 and 13) in good condition?

YES: Repair or replace the radio and CD player. The front door speaker (LH) and tweeter (LH) should sound.

NO: Repair the wiring harness. The front door speaker (LH) and tweeter (LH) should sound.







STEP 4. Check radio and CD player connector C-103 and intermediate connector C-110 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Are radio and CD player connector C-103 and intermediate connector C-110 in good condition?

YES: Go to Step 5.

NO: Repair or replace the damaged components). Refer to Harness Connector Inspection. The front door speaker (RH) and tweeter (RH) should sound.







STEP 5. Check the wiring harness between intermediate connector C-110 (terminals 3 and 4) and radio and CD player connector C-103 (terminals 14 and 6).

Q: Is the wiring harness between and intermediate connector C-110 (terminals 3 and 4) and radio and CD player connector C-103 (terminals 14 and 6) in good condition?

YES: Repair or replace the radio and CD player. The front door speaker (RH) and tweeter (RH) should sound.

NO: Repair the wiring harness. The front door speaker (RH) and tweeter (RH) should sound.




STEP 6. Check front door speaker (LH) connector E-06 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is front door speaker (LH) connector E-06 in good condition?

YES: Go to Step 7.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The door speaker (LH) should sound.

STEP 7. Check the front door speaker (LH).




1. Remove the front door speaker (LH).
2. Check that the front door speaker (LH) generates noise when a five-volt voltage is applied on the front door speaker (LH) terminal.

Q: Is the front door speaker (LH) generating noise?

YES: Go to Step 8.

NO: Replace the front door speaker (LH). The front door speaker (LH) should sound.




STEP 8. Check radio and CD player connector C-103 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is radio and CD player connector C-103 in good condition?

YES: Go to Step 9.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The door speaker (LH) should sound.







STEP 9. Check the wiring harness between front door speaker (LH) connector E-06 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 5 and 13).

NOTE: Also check intermediate connector C-17 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-17 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between front door speaker (LH) connector E-06 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 5 and 13) in good condition?

YES: Repair or replace the radio and CD player. The front door speaker (LH)should sound.

NO: Repair the wiring harness. The front door speaker (LH)should sound.




STEP 10. Check front door speaker (RH) connector E-13 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is front door speaker (RH) connector E-13 in good condition?

YES: Go to Step 11.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The door speaker (LH) should sound.

STEP 11. Check the front door speaker (RH).




1. Remove the front door speaker (RH).
2. Check that the front door speaker (RH) generates noise when a five-volt voltage is applied on the front door speaker (RH) terminal.

Q: Is the front door speaker (RH) generating noise?

YES: Go to Step 12.

NO: Replace the front door speaker (RH). The front door speaker (RH) should sound.




STEP 12. Check radio and CD player connector C-103 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is radio and CD player connector C-103 in good condition?

YES: Go to Step 13.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The door speaker (LH) should sound.










STEP 13. Check the wiring harness between front door speaker (RH) connector E-13 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 6 and 14).

NOTE: Also check intermediate connector C-110 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-110 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between front door speaker (RH) connector E-13 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 6 and 14) in good condition?

YES: Repair or replace the radio and CD player. The front door speaker (RH) should sound.

NO: Repair the wiring harness. The front door speaker (RH) should sound.




STEP 14. Check rear door speaker (LH) connector F-01 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is rear door speaker (LH) connector F-01 in good condition?

YES: Go to Step 15.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The rear door speaker (LH) should sound.

STEP 15. Check the rear door speaker (LH).




1. Remove the rear door speaker (LH).
2. Check that the rear door speaker (LH) generates noise when a five-volt voltage is applied on the rear door speaker (LH) terminal.

Q: Is the rear door speaker (LH) generating noise?

YES: Go to Step 16.

NO: Replace the rear door speaker (LH). The rear door speaker (LH) should sound.




STEP 16. Check radio and CD player connector C-103 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is radio and CD player connector C-103 in good condition?

YES: Go to Step 17.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The rear door speaker (LH) should sound.







STEP 17. Check the wiring harness between rear door speaker (LH) connector F-01 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 2 and 8).

NOTE: Also check intermediate connector C-127 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-127 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between the rear door speaker (LH) connector F-01 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 2 and 8) in good condition?

YES: Repair or replace the radio and CD player. The rear door speaker (LH)should sound.

NO: Repair the wiring harness. The rear door speaker (LH)should sound.




STEP 18. Check rear door speaker (RH) connector F-07 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is rear door speaker (RH) connector F-07 in good condition?

YES: Go to Step 19.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The rear door speaker (LH) should sound.

STEP 19. Check the rear door speaker (RH).




1. Remove the rear door speaker (RH).
2. Check that the rear door speaker (RH) generates noise when a five-volt voltage is applied on the rear door speaker (RH) terminal.

Q: Is the rear door speaker (RH) generating noise?

YES: Go to Step 20.

NO: Replace the rear door speaker (RH). The rear door speaker (RH) should sound.




STEP 20. Check radio and CD player connector C-103 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is radio and CD player connector C-103 in good condition?

YES: Go to Step 21.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The rear door speaker (LH) should sound.










STEP 21. Check the wiring harness between rear door speaker (RH) connector F-07 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 1 and 7).

NOTE: Also check intermediate connector C-113 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-113 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between rear door speaker (RH) connector F-07 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 1 and 7) in good condition?

YES: Repair or replace the radio and CD player. The rear door speaker (RH) should sound.

NO: Repair the wiring harness. The rear door speaker (RH) should sound.




STEP 22. Check tweeter (LH) connector D-29 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is tweeter (LH) connector D-29 in good condition?

YES: Go to Step 23.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The tweeter (LH) should sound.

STEP 23. Check the tweeter (LH).




1. Remove the tweeter (LH).
2. 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 24.

NO: Replace the tweeter (LH). The tweeter (LH) should sound.




STEP 24. Check radio and CD player connector C-103 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is radio and CD player connector C-103 in good condition?

YES: Go to Step 25.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The tweeter (LH) should sound.







STEP 25. Check the wiring harness between tweeter (LH) connector D-29 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 13 and 5).

NOTE: Also check intermediate connector C-18 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-18 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between the tweeter (LH) connector D-29 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 13 and 5) in good condition?

YES: Repair or replace the radio and CD player. The tweeter (LH) should sound.

NO: Repair the wiring harness. The tweeter (LH) should sound.




STEP 26. Check tweeter (RH) connector D-30 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is tweeter (RH) connector D-30 in good condition?

YES: Go to Step 27.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The tweeter (LH) should sound.

STEP 27. Check the tweeter (RH).




1. Remove the tweeter (RH).
2. 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 28.

NO: Replace the tweeter (RH). The tweeter (RH) should sound.




STEP 28. Check radio and CD player connector C-103 for loose, corroded or damaged terminals, or terminals pushed back in the connector.

Q: Is radio and CD player connector C-103 in good condition?

YES: Go to Step 29.

NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. The tweeter (LH) should sound.










STEP 29. Check the wiring harness between tweeter (RH) connector D-30 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 14 and 6).

NOTE: Also check intermediate connector C-109 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-109 is damaged, repair or replace the connector as described in Harness Connector Inspection.

Q: Is the wiring harness between tweeter (RH) connector D-30 (terminals 1 and 2) and radio and CD player connector C-103 (terminals 14 and 6) in good condition?

YES: Repair or replace the radio and CD player. The tweeter (RH) should sound.

NO: Repair the wiring harness. The tweeter (RH) should sound.