Inspection Procedure 3
No Sound from One Speaker.Speaker System Circuit <Vehicles Without Amplifier>:
Connectors:
Speaker Systems Circuit <Vehicles With Amplifier>:
Connectors:
CIRCUIT OPERATION
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- The sound is heard from the speaker according to audio signal output from the radio and CD player.
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- The sound signals are sent from the radio and CD player into the amplifier. After the signals are amplified and filtered, the sound signals are sent to the speaker.
TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty speaker circuit system.
TROUBLESHOOTING HINTS
- Malfunction of the speaker.
- Damaged harness wire or connector.
- Malfunction of the radio and CD player
- Malfunction of the amplifier
- Malfunction of the DIN cable
DIAGNOSIS
STEP 1A. Check Which speaker has no sound on the vehicles without amplifier.
1. Use the speaker test to determine which speaker does not sound.
Q: Which speaker has no sound on the vehicles without amplifier?
Front door speaker (LH) and/or tweeter (LH): Go to Step 2.
Front door speaker (RH) and/or tweeter (RH): Go to Step 7.
Rear door speaker (LH): Go to Step 12.
Rear door speaker (RH): Go to Step 17.
STEP 1B. Check which speaker has no sound on the vehicles with amplifier.
1. Use the speaker test to determine which speaker does not sound.
Q: Which speaker has no sound on the vehicles without amplifier?
Front speaker (LH) and/or tweeter (LH): Go to Step 22.
Front speaker (RH) and/or tweeter (RH): Go to Step 27.
Front door speaker (LH): Go to Step 32.
Front door speaker (RH): Go to Step 37.
Rear door speaker (LH): Go to Step 42.
Rear door speaker (RH): Go to Step 47.
STEP 2. Check the speaker.
1. Remove the speaker.
2. Check that the speaker generates noise when a five-volt voltage is applied on the front door speaker terminal.
Q: Is the speaker generating noise?
YES: Go to Step 3.
NO: Replace the speaker. The speaker should sound.
STEP 3. Check tweeter (LH) connector F-03 and/or front door speaker (LH) connector F-13 for damage.
Q: Are harness connectors F-03 and F-13 in good condition?
YES: Go to Step 4.
NO: Repair or replace them. Refer to Harness Connector Inspection. The front door speaker (LH) and/or tweeter(LH) should sound.
STEP 4. Check the harness wires between radio and CD player connector C-42 and tweeter (LH) connector F-03 and/or front door speaker (LH) connector F-13.
NOTE: After inspecting intermediate connector C-39, inspect the wire. If intermediate connector C-39 is damaged, repair or replace it. Refer to Harness Connector Inspection.
Q: Are the harness wires between radio and CD player connector C-42 and tweeter (LH) connector F-03 and/or front door speaker (LH) connector F-13 in good condition?
YES: Go to Step 5.
NO: Repair or replace them. Refer to Harness Connector Inspection. The front door speaker (LH) and/or tweeter(LH) should sound.
STEP 5. Check the radio and CD player connector C-62 for damage.
Q: Is the radio and CD player connector C-62 in good condition?
YES: Go to Step 6.
NO: Repair or replace them. Refer to Harness Connector Inspection. The front door speaker (LH) and/or tweeter (LH) should sound.
STEP 6. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 2.
STEP 7. Check the speaker.
1. Remove the speaker.
2. Check that the speaker generates noise when a five-volt voltage is applied on the speaker terminal.
Q: Is the speaker generating noise?
YES: Go to Step 8.
NO: Replace the speaker. The speaker should sound.
STEP 8. Check tweeter (RH) connector F-16 and/or front door speaker (RH) connector F-25 for damage.
Q: Is tweeter (RH) connector F-16 and/or front door speaker (RH) connector F-25 in good condition?
YES: Go to Step 9.
NO: Repair or replace them. Refer to Harness Connector Inspection. The front door speaker (RH) and/or tweeter (RH) should sound.
STEP 9. Check the harness wires between radio and CD player connector C-42 and tweeter (RH) connector F-16 and/or front door speaker (RH) connector F-25.
NOTE: After inspecting intermediate connector C-12, inspect the wire. If intermediate connector C-12 is damaged, repair or replace it. Refer to Harness Connector Inspection.
Q: Are harness wires between radio and CD player connector C-62 and tweeter (RH) connector F-16 and/or front door speaker (RH) connector F-25 in good condition?
YES: Go to Step 10.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 10. Check radio and CD player connector C-62 for damage.
Q: Is radio and CD player connector C-42 in good condition?
YES: Go to Step 11.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 11. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 7.
STEP 12. Check the speaker.
1. Remove the rear speaker.
2. Check that the (RH) generates noise when a five-volt voltage is applied on the speaker terminal.
Q: Is the rear speaker (RH) generating noise?
YES: Go to Step 13.
NO: Replace the speaker.
STEP 13. Check rear door speaker (LH) connector F-10 for damage.
Q: Is rear door speaker (LH) connector F-10 in good condition?
YES: Go to Step 14.
NO: Repair or replace them. Refer to Harness Connector Inspection. The speaker should sound.
STEP 14. Check the harness wires between radio and CD player connector C-62 and rear door speaker (LH) connector F-10.
NOTE: After inspecting intermediate connector E-31 and E-42, inspect the wire. If intermediate connector E-31 and E-42 are damaged, repair or replace them. Refer to Harness Connector Inspection.
Q: Are the harness wires between radio and CD player connector C-62 and rear door speaker (LH) connector F-10 in good condition?
YES: Go to Step 15.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 15. Check radio and CD player connector C-62 for damage.
Q: Is radio and CD player connector C-62 in good condition?
YES: Go to Step 16.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 16. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 12.
STEP 17. Check the rear door speaker (RH) speaker.
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 speaker 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. Check rear door speaker (RH) connector F-22 for damage.
Q: Is rear door speaker (RH) connector F-22 in good condition?
YES: Go to Step 19.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 19. Check the harness wires between radio and CD player connector C-42 and rear door speaker (RH) connector F-22.
NOTE: After inspecting intermediate connectors E-01, E-42, inspect the wire. If intermediate connectors E-01, E-42 are damaged, repair or replace them. Refer to Harness Connector Inspection.
Q: Are the harness wires between radio and CD player connector C-62 and rear door speaker (RH) connector F-22 in good condition?
YES: Go to Step 20.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 20. Check radio and CD player connector C-62 for damage.
Q: Is radio and CD player connector C-42 in good condition?
YES: Go to Step 21.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 21. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 17.
STEP 22. Check the Front speaker (LH) and/or tweeter (LH).
1. Remove the front speaker (LH) and/or tweeter (LH).
2. Check that the front speaker (LH) and/or tweeter (LH) generates noise when a five-volt voltage is applied on the speaker terminal.
Q: Is the Front speaker (LH) and/or tweeter (LH) generating noise?
YES: Go to Step 23.
NO: Replace the front speaker (LH) and/or tweeter (LH)
STEP 23. Check tweeter (LH) connector F-03 and/or front speaker (LH) connector C-36 for damage.
Q: Are tweeter (LH) connector F-03 and/or front speaker (LH) connector C-36 in good condition?
YES: Go to Step 24.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 24. Check the harness wires between amplifier connector E-11 and tweeter (LH) connector F-03 and/or front speaker (LH) connector C-36.
NOTE: After inspecting intermediate connectors C-393 E-03 and C-43 inspect the wire. If intermediate connectors C-39, E43 and C-43 are damaged, repair or replace them. Refer to Harness Connector Inspection.
Q: Are the harness wires between amplifier connector E-11 and tweeter (LH) connector F-03 and/or front speaker (LH) connector C-36 in good condition?
YES: Go to Step 25.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 25. Check amplifier connector E-11 for damage.
Q: Is amplifier connector E-11 for in good condition?
YES: Go to Step 26.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 26. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 22.
STEP 27. Check the Front speaker (RH) and/or tweeter (RH).
1. Remove the front door speaker (RH) and/or tweeter (RH).
2. Check that front door speaker (RH) and/or tweeter (RH) generates noise when a five-volt voltage is applied on the speaker terminal.
Q: Is the Front speaker (RH) and/or tweeter (RH) generating noise?
YES: Go to Step 28.
NO: Replace the front door speaker (RH) and/or tweeter (RH) should sound.
STEP 28. Check tweeter (RH) connector F-16 and/or front speaker (RH) connector C-20 for damage.
Q: Are tweeter (RH) connector F-16 and/or front speaker (RH) connector C-20 in good condition?
YES: Go to Step 29.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 29. Check the harness wires between amplifier connector E-11 and tweeter (RH) connector F-16 and/or front speaker (RH) connector C-20.
NOTE: After inspecting intermediate connectors C-12, C-43 and E-43, inspect the wire. If intermediate connectors C-12, C- 43 and E-43 are damaged, repair or replace them. Refer to Harness Connector Inspection.
Q: Are the harness wires between amplifier connector E-11 and tweeter (RH) connector F-16 and/or front speaker (RH) connector C-20 in good condition?
YES: Go to Step 30.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 30. Check amplifier connector E-11 for damage.
Q: Is the amplifier connector E-11 in good condition?
YES: Go to Step 31.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 31. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 27.
STEP 32. Check the front door speaker (LH).
1. Remove the 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 33.
NO: Replace the front door speaker (LH). The front door speaker (LH) should sound.
STEP 33. Check front door speaker (LH) connector F-13 for damage.
Q: Are front door speaker (LH) connector F-13 in good condition?
YES: Go to Step 34.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 34. Check the harness wires between amplifier connector E-11 and front door speaker (LH) connector F-13.
NOTE: After inspecting intermediate connectors C-39 and E43, inspect the wire. If intermediate connectors C-39 and E-43 are damaged, repair or replace them. Refer to Harness Connector Inspection.
Q: Are the harness wires between amplifier connector E-11 and front door speaker (LH) connector F-13 in good condition?
YES :Go to Step 35.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 35. Check amplifier connector E-11 for damage.
Q: Is the amplifier connector E-11 in good condition?
YES: Go to Step 36.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 36. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 32.
STEP 37. 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 38.
NO: Replace the front door speaker (RH). The front door speaker (RH) should sound.
STEP 38. Check front door speaker (RH) connector F-25 for damage.
Q: Is the front door speaker (RH) connector F-25 in good condition?
YES: Go to Step 39.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 39. Check the harness wires between amplifier connector E-11 and front door speaker (RH) connector F-25.
NOTE: After inspecting intermediate connectors C-12 and E-43, inspect the wire. If intermediate connectors C-12 and E-43 are damaged, repair or replace them. Refer to Harness Connector Inspection.
Q: Are the harness wire between amplifier connector E-11 and front door speaker (RH) connector F-25 in good condition?
YES: Go to Step 40.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 40. Check amplifier connector E-11 for damage.
Q: Is the amplifier connector E-11 in good condition?
YES: Go to Step 41.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 41. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 37.
STEP 42. 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 speaker terminal.
Q: Is the rear door speaker (LH) generating noise?
YES: Go to Step 43.
NO: Replace the speaker. The rear door speaker (LH) should sound.
STEP 43. Check rear door speaker (LH) connector F-10 for damage.
Q: Is rear door speaker (LH) connector F40 in good condition?
YES: Go to Step 44.
NO: Repair or replace them. Refer to Harness Connector Inspection. The rear door speaker (LH) should sound.
STEP 44. Check the harness wires between amplifier connector E-11 and rear door speaker (LH) connector F-10.
NOTE: After inspecting intermediate connectors E-31, inspect the wire. If intermediate connectors E-31 is damaged, repair or replace it. Refer to Harness Connector Inspection.
Q: Are the harness wires between amplifier connector E-11 and rear door speaker (LH) connector E-11 in good condition?
YES: Go to Step 45.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 45. Check amplifier connector E-11 for damage.
Q: Is the amplifier connector E-11 in good condition?
YES: Go to Step 46.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 46. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 42.
STEP 47. 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 speaker terminal.
Q: Is rear door speaker generating noise?
YES: Go to Step 48.
NO: Replace the speaker. The rear door speaker (RH) should sound.
STEP 48. Check rear door speaker (RH) connector F-22 for damage.
Q: Is rear door speaker (RH) connector F-22 in good condition?
YES: Go to Step 49.
NO: Repair or replace them. Refer to Harness Connector Inspection. The rear door speaker (RH) should sound.
STEP 49. Check the harness wires between amplifier connector E-11 and rear door speaker (RH) connector F-22.
NOTE: After inspecting intermediate connectors E-01, inspect the wire. If intermediate connectors E-01 is damaged, repair or replace it. Refer to Harness Connector Inspection.
Q: Are the harness wires between amplifier connector E-11 and rear door speaker (RH) connector F-22 in good condition?
YES: Go to Step 50.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 50. Check amplifier connector E-11 for damage.
Q: Is the amplifier connector E-11 in good condition?
YES: Go to Step 51.
NO: Repair or replace them. Refer to Harness Connector Inspection.
STEP 51. Recheck for malfunction.
Q: Is a malfunction eliminated?
YES: This diagnosis is complete. (If no malfunctions are not found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Point.)
NO: Go to step 47.