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Home >> Mitsubishi >> 2007 >> Lancer Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Chassis Electrical - Lancer >> Radio And Cd Player >> Radio With Cd Player, Speaker And Antenna Diagnosis >> Symptom Procedures >> INSPECTION PROCEDURE 3: No Sound from One Speaker. < Vehicles with Amplified >> Diagnosis

INSPECTION PROCEDURE 3: No Sound from One Speaker. < Vehicles with Amplified: Diagnosis

  1. STEP 1. Check to see which speaker the sound is not output from. 

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

    Q: Which speaker is not working? 

    Door speaker (LH)  : Go to  Step 2.

    Door speaker (RH)  : Go to  Step 5.

    Rear speaker (LH)  : Go to  Step 8.

    Rear speaker (RH)  : Go to  Step 11.

    Tweeter (LH)  : Go to  Step 14.

    Tweeter (RH)  : Go to  Step 17.

    Woofer  : Go to  Step 20.

  2. STEP 2. Check the door speaker (LH). 
    1. Remove the door speaker (LH). Refer to SPEAKER .
    2. 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.

    Fig 1: Checking Speaker
    G04278919Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. STEP 3. Check door speaker (LH) connector E-06 and audio amplifier connector D-33 for damage. 

    Q: Are harness connectors E-06 and D-33 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.

    Fig 2: Identifying Door Speaker (LH) Connector E-06
    G04278958Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 3: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. STEP 4. Check the wiring harness between door speaker (LH) connector E-06 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 13 and 14). 
    Fig 4: Identifying Door Speaker (LH) Connector E-06
    G04278960Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 5: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: Also check intermediate connector C-17. If intermediate connector C-17 are damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

    Q: Are the wiring harness between door speaker (LH) connector E-06 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 13 and 14) in good condition? 

    YES  : Repair or replace the audio amplifier. The door speaker (LH) should sound.

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

    Fig 6: Identifying Terminals Of C-17 Intermediate Connector
    G04278962Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  5. STEP 5. Check the door speaker (RH). 
    1. Remove the door speaker (RH). Refer to SPEAKER .
    2. 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 6.

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

    Fig 7: Checking Speaker
    G04278919Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. STEP 6. Check door speaker (RH) connector E-13 and audio amplifier connector D-33 for damage. Q: Are harness connectors E-13 and D-33 in good condition? 

    YES  : Go to  Step 7.

    NO  : Repair or replace the connector. Refer to HARNESS CONNECTOR INSPECTION . The door speaker (RH) should sound.

    Fig 8: Identifying Door Speaker (RH) Connector E-13
    G04278964Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 9: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  7. STEP 7. Check the wiring harness between door speaker (RH) connector E-13 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 5 and 15). 
    Fig 10: Identifying Door Speaker (RH) Connector E-13
    G04278966Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 11: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 12: Identifying Terminals Of C-110 Intermediate Connector
    G04278968Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: Also check intermediate connector C-110. If intermediate connector C-110 are damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

    Q: Are the wiring harness between door speaker (RH) connector E-13 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 5 and 15) in good condition? 

    YES  : Repair or replace the audio amplifier. The door speaker (RH) should sound.

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

  8. STEP 8. Check the rear speaker (LH). 
    1. Remove the rear speaker (LH). Refer to SPEAKER .
    2. 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 9.

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

    Fig 13: Checking Speaker
    G04278919Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  9. STEP 9. Check rear speaker (LH) connector F-01 and audio amplifier connector D-33 for damage. 

    Q: Are harness connectors F-01 and D-33 in good condition? 

    YES  : Go to  Step 10.

    NO  : Repair or replace the connector. Refer to HARNESS CONNECTOR INSPECTION . The rear speaker (LH) should sound.

    Fig 14: Identifying Rear Speaker (LH) Connector F-01
    G04278970Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 15: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  10. STEP 10. Check the wiring harness between rear speaker (LH) connector F-01 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 2 and 10). 
    Fig 16: Identifying Rear Speaker (LH) Connector F-01
    G04278972Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 17: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: Also check intermediate connector C-127. If intermediate connector C-127 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

    Q: Are the wiring harness between the rear speaker (LH) connector F-01 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 2 and 10) in good condition? 

    YES  : Repair or replace the audio amplifier. The rear speaker (LH) should sound.

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

    Fig 18: Identifying Terminals Of C-127 Intermediate Connector
    G04278974Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  11. STEP 11. Check the rear speaker (RH). 
    1. Remove the rear speaker (RH). Refer to SPEAKER .
    2. 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 12.

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

    Fig 19: Checking Speaker
    G04278919Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  12. STEP 12. Check rear speaker (RH) connector F-07 and audio amplifier connector D-33 for damage. 

    Q: Are harness connectors F-07 and D-33 in good condition? 

    YES  : Go to  Step 13.

    NO  : Repair or replace the connector. Refer to HARNESS CONNECTOR INSPECTION . The rear speaker (RH) should sound.

    Fig 20: Identifying Rear Speaker (RH) Connector F-07
    G04278976Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 21: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  13. STEP 13. Check the wiring harness between rear speaker (RH) connector F-07 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 9 and 1). 
    Fig 22: Identifying Rear Speaker (RH) Connector F-07
    G04278978Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 23: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: Also check intermediate connector C-112. If intermediate connector C-112 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

    Q: Are the wiring harness between rear speaker (RH) connector F-07 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 9 and 1) in good condition? 

    YES  : Repair or replace the audio amplifier. The rear speaker (RH) should sound.

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

    Fig 24: Identifying Terminals Of C-112 Intermediate Connector
    G04278980Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  14. 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.

  15. STEP 15. Check tweeter (LH) connector D-29 and audio amplifier connector D-33 for damage. 

    Q: Are harness connectors D-29 and D-33 in good condition? 

    YES  : Go to  Step 16.

    NO  : Repair or replace them. Refer to HARNESS CONNECTOR INSPECTION . The tweeter (LH) should sound.

    Fig 25: Identifying Terminals Of D-29 And D-33 Connector
    G04278981Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  16. STEP 16. Check the harness wires between tweeter (LH) connector D-29 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 11 and 3). 
    Fig 26: Identifying Terminals Of D-29 And D-33 Connector
    G04278982Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 27: Identifying Terminals Of C-18 Intermediate Connector
    G04278983Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: After inspecting intermediate connector C-18, inspect the wire. If intermediate connector C-18 are damaged, repair or replace it. Refer to HARNESS CONNECTOR INSPECTION .

    Q: Are the harness wires between tweeter (LH) connector D-29 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 11 and 3) in good condition? 

    YES  : Repair or replace the audio amplifier. The tweeter (LH) should sound.

    NO  : Repair them. The tweeter (LH) should sound.

  17. 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 speaker terminal.

    Q: Is the tweeter (RH) generating noise? 

    YES  : Go to  Step 18.

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

  18. STEP 18. Check tweeter (RH) connector D-30 and audio amplifier connector D-33 for damage. 

    Q: Are harness connectors D-30 and D-33 in good condition? 

    YES  : Go to  Step 19.

    NO  : Repair or replace them. Refer to HARNESS CONNECTOR INSPECTION . The tweeter (RH) should sound.

    Fig 28: Identifying Terminals Of D-30 And D-33 Connector
    G04278984Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  19. STEP 19. Check the harness wires between tweeter (RH) connector D-30 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 12 and 4). 
    Fig 29: Identifying Terminals Of D-30 And D-33 Connector
    G04278985Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: After inspecting intermediate connector C-109, inspect the wire. If intermediate connector C-109 are damaged, repair or replace it. Refer to HARNESS CONNECTOR INSPECTION .

    Q: Are the harness wires between tweeter (RH) connector D-30 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 12 and 4) in good condition? 

    YES  : Repair or replace the audio amplifier. The tweeter (RH) should sound.

    NO  : Repair them. The tweeter (RH) should sound.

    Fig 30: Identifying Terminals Of C-109 Intermediate Connector
    G04278986Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  20. STEP 20. Check the woofer. 
    1. Remove the woofer. Refer to SPEAKER .
    2. Check that the woofer generates noise when a five-volt voltage is applied on the woofer terminal.

    Q: Is the woofer generating noise? 

    YES  : Go to  Step 21.

    NO  : Replace the woofer. The woofer should sound.

    Fig 31: Checking Speaker
    G04278919Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  21. STEP 21. Check woofer connector F-17 and audio amplifier connector D-33 for damage. 

    Q: Are harness connectors F-17 and D-33 in good condition? 

    YES  : Go to  Step 22.

    NO  : Repair or replace the connector. Refer to HARNESS CONNECTOR INSPECTION . The woofer should sound.

    Fig 32: Identifying Woofer Connector F-17
    G04278988Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 33: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  22. STEP 22. Check the wiring harness between woofer connector F-17 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 8 and 18). 
    Fig 34: Identifying Woofer Connector F-17
    G04278990Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 35: IdentifyingConnector D-33 Terminals
    G04278959Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    NOTE: Also check intermediate connector C-112. If intermediate connector C-112 is damaged, repair or replace the connector as described in HARNESS CONNECTOR INSPECTION .

    Q: Are the wiring harness between woofer connector F-17 (terminal 1 and 2) and audio amplifier connector D-33 (terminal 8 and 18) in good condition? 

    YES  : Repair or replace the audio amplifier. The woofer should sound.

    NO  : Repair the wiring harness. The woofer should sound.

    Fig 36: Identifying Terminals Of C-112 Intermediate Connector
    G04278992Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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