Inspection Procedure 3
No Sound from One Speaker.Speaker System Circuit <without Amplifier> Part 1:
Speaker System Circuit <without Amplifier> Part 2:
CIRCUIT OPERATION
The sound is heard from the door speaker and tweeter according to audio signal output from the radio and CD player.
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty door speaker and tweeter circuit system.
TROUBLESHOOTING HINTS
- Malfunction of the door speaker.
- Malfunction of the tweeter <6-speaker>.
- Damaged wiring harness or connector.
- Malfunction of the radio and CD player.
DIAGNOSIS
STEP 1. Check to see which door speaker or tweeter the sound is not output from.
Use the speaker test to determine which door speaker or tweeter does not sound.
Q: Which door speaker or tweeter is not working?
Front door speaker (LH): Go to Step 2.
Front door speaker (RH): Go to Step 5.
Rear door speaker (LH): Go to Step 8.
Rear door speaker (RH): Go to Step 11.
Tweeter (LH) <6-speaker>: Go to Step 14.
Tweeter (RH) <6-speaker>: Go to Step 17.
STEP 2. 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 3.
NO: Replace the front door speaker (LH). The front door speaker (LH) should sound.
STEP 3. Check front door speaker (LH) connector E-13 and radio and CD player connector C-102 for damage.
Q: Are harness connectors E-13 and C-102 in good condition?
YES: Go to Step 4.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The door speaker(LH)should sound.
STEP 4. Check the wiring harness between front door speaker (LH) connector E-13 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 5 and 13).
NOTE: Also check intermediate connector C-118. If intermediate connector C-118 is damaged, repair or replace the connector as described in Harness Connector Inspection.
Q: Are the wiring harness between front door speaker (LH) connector E-13 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 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 5. 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 6.
NO: Replace the front door speaker (RH). The front door speaker (RH) should sound.
STEP 6. Check front door speaker (RH) connector E-20 and radio and CD player connector C-102 for damage.
Q: Are harness connectors E-20 and C-102 in good condition?
YES: Go to Step 7.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The front door speaker (RH) should sound.
STEP 7. Check the wiring harness between front door speaker (RH) connector E-20 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 6 and 14).
NOTE: Also check intermediate connector C-15. If intermediate connector C-15 is damaged, repair or replace the connector as described in Harness Connector Inspection.
Q: Are the wiring harness between front door speaker (RH) connector E-20 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 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 8. 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 9.
NO: Replace the rear door speaker (LH). The rear door speaker (LH) should sound.
STEP 9. Check rear door speaker (LH) connector E-09 and radio and CD player connector C-102 for damage.
Q: Are harness connectors E-09 and C-102 in good condition?
YES: Go to Step 10.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The rear door speaker (LH)should sound.
STEP 10. Check the wiring harness between rear door speaker (LH) connector E-09 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 2 and 8).
NOTE: Also check intermediate connector C-117 and D-23. If intermediate connector C-117 or D-23 are damaged, repair or replace the connector as described in Harness Connector Inspection.
Q: Are the wiring harness between the rear door speaker (LH) connector E-09 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 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 11. 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 12.
NO: Replace the rear door speaker (RH). The rear door speaker (RH) should sound.
STEP 12. Check rear door speaker (RH) connector E-24 and radio and CD player connector C-102 for damage.
Q: Are harness connectors E-24 and C-102 in good condition?
YES: Go to Step 13.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The rear door speaker (RH)should sound.
STEP 13. Check the wiring harness between rear door speaker (RH) connector E-24 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 1 and 7).
NOTE: Also check intermediate connector C-13 and D-01. If intermediate connector C-13 or D-01 are damaged, repair or replace the connector as described in Harness Connector Inspection.
Q: Are the wiring harness between rear door speaker (RH) connector E-24 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 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 14. 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 15.
NO: Replace the tweeter (LH). The tweeter (LH) should sound.
STEP 15. Check tweeter (LH) connector E-06 and radio and CD player connector C-102 for damage.
Q: Are harness connectors E-06 and C-102 in good condition?
YES: Go to Step 16.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The door speaker(LH)should sound.
STEP 16. Check the wiring harness between tweeter (LH) connector E-06 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 13 and 5).
NOTE: Also check intermediate connector C-118. If intermediate connector C-118 is damaged, repair or replace the connector as described in Harness Connector Inspection.
Q: Are the wiring harness between tweeter (LH) connector E-06 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 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 17. 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 18.
NO: Replace the tweeter (RH). The tweeter (RH) should sound.
STEP 18. Check tweeter (RH) connector E-14 and radio and CD player connector C-102 for damage.
Q: Are harness connectors E-14 and C-102 in good condition?
YES: Go to Step 19.
NO: Repair or replace the connector. Refer to Harness Connector Inspection. The tweeter (RH) should sound.
STEP 19. Check the wiring harness between tweeter (RH) connector E-14 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 14 and 6).
NOTE: Also check intermediate connector C-15. If intermediate connector C-15 is damaged, repair or replace the connector as described in Harness Connector Inspection.
Q: Are the wiring harness between tweeter (RH) connector E-14 (terminal 1 and 2) and radio and CD player connector C-102 (terminal 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.