TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty speaker circuit system.TROUBLESHOOTING HINTS
- Malfunction of the speaker.
- Damaged wiring harness or connector.
- Malfunction of the radio and tape or CD player.
DIAGNOSIS PROCEDURE
STEP 1. Check to see which speaker the sound is not output from.
Q: Which speaker is not working?
Front door speaker (LH):
Go to Step 2
.Front door speaker (RH): Go to Step 5
.Tweeter (LH): Go to Step 8
.Tweeter (RH): Go to Step 11
.Rear door speaker (LH): Go to Step 14
.Rear door speaker (RH): Go to Step 17
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- 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 3.NO: Replace the front door speaker (LH). The front door speaker (LH) should sound.
STEP 3. Connector check: Front door speaker (LH) connector E-14 and radio and tape or CD player connector C-102.
Q: Are harness connectors front door speaker (LH) connector E-14 and radio and tape or CD player connector C-102 in good condition?
YES:
Go to Step 4.NO: Repair or replace the damage component(s). The door speaker (LH) should sound.
STEP 4. Check the wiring harness between front door speaker (LH) connector E-14 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminals 5 and 13).
NOTE: Prior to the wiring harness inspection, check intermediate connectors C-118 <L.H.drive vehicles>, C-34 <R.H.drive vehicles>, and repair if necessary.
Q: Is the wiring harness between front door speaker (LH) connector E-14 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 5 and 13) in good condition?
YES:
Repair or replace the radio and tape or CD player. The front door speaker (LH) should sound.NO: Repair or replace the damage component(s). The front door speaker (LH) should sound.
- 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 6.NO: Replace the front door speaker (RH). The front door speaker (RH) should sound.
STEP 6. Connector check: Front door speaker (RH) connector E-22 and radio and tape or CD player connector C-102.
Q: Are harness connectors front door speaker (RH) connector E-22 and radio and tape or CD player connector C-102 in good condition?
YES:
Go to Step 7.NO: Repair or replace the damage component(s). The front door speaker (RH) should sound.
STEP 7. Check the wiring harness between front door speaker (RH) connector E-22 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 6 and 14).
NOTE: Prior to the wiring harness inspection, check intermediate connector C-15, and repair if necessary.
Q: Is the wiring harness between front door speaker (RH) connector E-22 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 6 and 14) in good condition?
YES:
Repair or replace the radio and tape or CD player. The front door speaker (RH) should sound.NO: Repair the wiring harness. The front door speaker (RH) should sound.
- 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 9.NO: Replace the tweeter (LH). The tweeter (LH) should sound.
STEP 9. Connector check: Tweeter (LH) connector E-07 and radio and tape or CD player connector C-102.
Q: Are harness connectors tweeter (LH) connector E-07 and radio and tape or CD player connector C-102 in good condition?
YES:
Go to Step 10.NO: Repair or replace the damage component(s). The tweeter (LH) should sound.
STEP 10. Check the wiring harness between tweeter (LH) connector E-07 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 13 and 5).
NOTE: Prior to the wiring harness inspection, check intermediate connectors C-118 <L.H.drive vehicles>, C-34 <R.H.drive vehicles>, and repair if necessary.
Q: Is the wiring harness between tweeter (LH) connector E-07 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 13 and 5) in good condition?
YES:
Repair or replace the radio and tape or CD player. The tweeter (LH) should sound.NO: Repair or replace the damage component(s). The tweeter (LH) should sound.
- 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 12.NO: Replace the tweeter (RH). The tweeter (RH) should sound.
STEP 12. Connector check: Tweeter (RH) connector E-15 and radio and tape or CD player connector C-102.
Q: Are harness connectors tweeter (RH) connector E-15 and radio and tape or CD player connector C-102 in good condition?
YES:
Go to Step 13.NO: Repair or replace the damage component(s). The tweeter (RH) should sound.
STEP 13. Check the wiring harness between tweeter (RH) connector E-15 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 14 and 6).
NOTE: Prior to the wiring harness inspection, check intermediate connector C-15, and repair if necessary.
Q: Is the wiring harness between tweeter (RH) connector E-15 (terminals 1 and 2) and radio and tape or CD player connector C-102 (terminals 14 and 6) in good condition?
YES:
Repair or replace the radio and tape or CD player. The tweeter (RH) should sound.NO: Repair or replace the damage component(s). The tweeter (RH) should sound.
- 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 15.NO: Replace the rear door speaker (LH). The rear door speaker (LH) should sound.
STEP 15. Connector check: Rear door speaker (LH) connector E-10 and radio and tape or CD player connector C-102.
Q: Are harness connectors rear door speaker (LH) connector E-10 and radio and tape or CD player connector C-102 in good condition?
YES:
Go to Step 16.NO: Repair or replace the damage component(s). The rear door speaker (LH) should sound.
STEP 16. Check the wiring harness between rear door speaker (LH) connector E-10 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 2 and 8).
NOTE: Prior to the wiring harness inspection, check intermediate connectors C-117 and D-26 <L.H.drive vehicles>, D-25 <R.H.drive vehicles>, and repair if necessary.
Q: Is the wiring harness between rear door speaker (LH) connector E-10 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 2 and 8) in good condition?
YES:
Repair or replace the radio and tape or CD player. The rear door speaker (LH) should sound.NO: Repair or replace the damage component(s). The rear door speaker (LH) should sound.
- 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 18.NO: Replace the rear door speaker (RH). The rear door speaker (RH) should sound.
STEP 18. Connector check: Rear door speaker (RH) connector E-26 and radio and tape or CD player connector C-102.
Q: Are harness connectors rear door speaker (RH) connector E-26 and radio and tape or CD player connector C-102 in good condition?
YES:
Go to Step 19.NO: Repair or replace the damage component(s). The rear door speaker (RH) should sound.
STEP 19. Check the wiring harness between rear door speaker (RH) connector E-26 (terminals 1 and 2) and radio and tape or CD player connector C-102 (terminals 1 and 7).
NOTE: Prior to the wiring harness inspection, check intermediate connectors C-13 and D-02 <L.H.drive vehicles>, D-01 <R.H.drive vehicles>, and repair if necessary.
Q: Is the wiring harness between rear door speaker (RH) connector E-26 (terminal 1 and 2) and radio and tape or CD player connector C-102 (terminal 1 and 7) in good condition?
YES:
Repair or replace the radio and tape or CD player. The rear door speaker (RH) should sound.NO: Repair or replace the damage component(s). The rear door speaker (RH) should sound.