INSPECTION PROCEDURE 7: No Sound from One Speaker. < Vehicles with audio amplifier >: Diagnosis

STEP 1. Check which speaker has no sound on the vehicles with audio amplifier.
Determine which speaker does not sound.

Q: Which speaker does not sound?

Tweeter (LH) : Go to Step 2.

Tweeter (RH) : Go to Step 5.

Front door speaker (LH) < Vehicles without Mitsubishi multi communication system > : Go to Step 8.

Front door speaker (LH) < Vehicles with Mitsubishi multi communication system > : Carry out the troubleshooting for the navigation unit - Only the front left speaker does not sound (including the audio sound).

Front door speaker (RH) : Go to Step 11.

Rear speaker (LH) < only the bass tone does not sound. > : Go to Step 14.

Rear speaker (RH) < only the bass tone does not sound. > : Go to Step 17.

Rear speaker (LH) < only the high tone does not sound. > : Go to Step 20.

Rear speaker (RH) < only the high tone does not sound. > : Go to Step 23.
STEP 2. Check the tweeter (LH).
1. Remove the tweeter (LH). Refer to < TWEETER/REAR SPEAKER > .
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 3.

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

Fig 1: Checking Tweeter/Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 3. Check tweeter (LH) connector C-130 and radio, CD player and CD changer connector C-111 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors C-130 and C-111 in good condition?

YES: Go to Step 4.

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

Fig 2: Locating Radio, CD Player And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 3: Locating Tweeter (LH) Connector C-130
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STEP 4. Check the wiring harness between tweeter (LH) connector C-130 (terminals 2 and 1) and radio, CD player and CD changer connector C-111 (terminals 5 and 13).
Q: Is the wiring harness between tweeter (LH) connector C-130 (terminals 2 and 1) and radio, CD player and CD changer connector C-111 (terminals 5 and 13) in good condition?

YES: Replace the radio, CD player and CD changer. The tweeter (LH) should sound.

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

Fig 4: Locating Radio, CD Player And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 5: Locating Tweeter (LH) Connector C-130
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STEP 5. Check the tweeter (RH).
1. Remove the tweeter (RH). Refer to < TWEETER/REAR SPEAKER > .
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 6.

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

Fig 6: Checking Tweeter/Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 6. Check tweeter (RH) connector C-108 and audio radio, CD player and CD changer connector C-111 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors C-108 and C-111 in good condition?

YES: Go to Step 7.

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

Fig 7: Locating Tweeter (RH) Connector C-108 And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 7. Check the wiring harness between tweeter (RH) connector C-108 (terminals 2 and 1) and radio, CD player and CD changer connector C-111 (terminals 6 and 14).
Q: Is the wiring harness between tweeter (RH) connector C-108 (terminals 2 and 1) and radio, CD player and CD changer connector C-111 (terminals 6 and 14) in good condition?

YES: Replace the radio, CD player and CD changer. The tweeter (RH) should sound.

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

Fig 8: Locating Tweeter (RH) Connector C-108 And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 8. Check the front door speaker (LH).
1. Remove the front door speaker (LH). Refer to < TWEETER/REAR SPEAKER > .
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 9.

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

Fig 9: Checking Tweeter/Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 9. Check front door speaker (LH) connector E-10 and audio amplifier connector C-113 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors E-10 and C-113 in good condition?

YES: Go to Step 10.

NO: Repair or replace the component(s). Refer to HARNESS CONNECTOR INSPECTION . The front door speaker (LH) should sound.

Fig 10: Locating Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 11: Locating Front Door Speaker (LH) Connector E-10
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STEP 10. Check the wiring harness between front door speaker (LH) connector E-10 (terminals 1 and 2) and audio amplifier connector C-113 (terminals 8 and 18).

Fig 12: Locating Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 13: Locating Front Door Speaker (LH) Connector E-10
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NOTE: Also check intermediate connector C-26 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-26 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-10 (terminals 1 and 2) and audio amplifier connector C-113 (terminals 8 and 18) in good condition?

YES: Replace the audio amplifier. The front door speaker (LH) should sound.

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

Fig 14: Locating Intermediate Connector C-26
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 11. Check the front door speaker (RH).
1. Remove the front door speaker (RH). Refer to < TWEETER/REAR SPEAKER > .
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.

Fig 15: Checking Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 12. Check front door speaker (RH) connector E-02 and audio amplifier connector C-113 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors E-02 and C-113 in good condition?

YES: Go to Step 1.

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

Fig 16: Locating Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 17: Locating Front Door Speaker (RH) Connector E-02
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 13. Check the wiring harness between front door speaker (RH) connector E-02 (terminals 1 and 2) and audio amplifier connector C-113 (terminals 7 and 17).

Fig 18: Locating Intermediate Connector C-12 And Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 19: Locating Front Door Speaker (RH) Connector E-02
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Also check intermediate connector C-12 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-12 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-02 (terminals 1 and 2) and audio amplifier connector C-113 (terminals 7 and 17) in good condition?

YES: Replace the audio amplifier. The front door speaker (RH) should sound.

NO: Repair the wiring harness. The front door speaker (RH) should sound.
STEP 14. Check the rear speaker (LH).
1. Remove the rear speaker (LH). Refer to < TWEETER/REAR SPEAKER > .
2. Check that the rear speaker (LH) generates noise when a five-volt voltage is applied on the rear speaker (LH) terminal 2 and 3.
Q: Is the rear speaker (LH) generating noise?

YES: Go to Step 15.

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

Fig 20: Checking Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 15. Check rear speaker (LH) connector D-46 and audio amplifier connector C-113 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors D-12 and C-113 in good condition?

YES: Go to Step 16.

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

Fig 21: Locating Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 22: Locating Rear Speaker (LH) Connector D-46
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 16. Check the wiring harness between rear speaker (LH) connector D-46 (terminals 2 and 3) and audio amplifier connector C-113 (terminals 1 and 9).

Fig 23: Locating Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 24: Locating Rear Speaker (LH) Connector D-46
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Also check intermediate connector C-28 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-28 is damaged, repair or replace the connectors as described in HARNESS CONNECTOR INSPECTION .

Q: Is the wiring harness between the rear speaker (LH) connector D-46 (terminals 2 and 3) and audio amplifier connector C-113 (terminals 1 and 9) in good condition?

YES: Replace the audio amplifier. The rear speaker (LH) should sound.

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

Fig 25: identifying Connector C-28 Terminals
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 17. Check the rear speaker (RH).
1. Remove the rear speaker (RH). Refer to < TWEETER/REAR SPEAKER > .
2. Check that the rear speaker (RH) generates noise when a five-volt voltage is applied on the rear speaker (RH) terminal 2 and 3.
Q: Is the rear speaker (RH) generating noise?

YES: Go to Step 18.

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

Fig 26: Checking Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 18. Check rear speaker (RH) connector D-43 and audio amplifier connector C-113 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors D-43 and C-113 in good condition?

YES: Go to Step 19.

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

Fig 27: Locating Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 28: Locating Rear Speaker (RH) Connector D-43
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 19. Check the wiring harness between rear speaker (RH) connector D-43 (terminals 2 and 3) and audio amplifier connector C-113 (terminals 2 and 10).

Fig 29: Locating Intermediate Connector C-13 And Audio Amplifier Connector C-113
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 30: Locating Rear Speaker (RH) Connector D-43
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Also check intermediate connector C-13 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-13 is damaged, repair or replace the connectors as described in HARNESS CONNECTOR INSPECTION .

Q: Is the wiring harness between rear speaker (RH) connector D-43 (terminals 2 and 3) and audio amplifier connector C-113 (terminals 2 and 10) in good condition?

YES: Replace the audio amplifier. The rear speaker (RH) should sound.

NO: Repair the wiring harness. The rear speaker (RH) should sound.
STEP 20. Check the rear speaker (LH).
1. Remove the rear speaker (LH). Refer to < TWEETER/REAR SPEAKER > .
2. Check that the rear speaker (LH) generates noise when a five-volt voltage is applied on the rear speaker (LH) terminal 1 and 4.
Q: Is the rear speaker (LH) generating noise?

YES: Go to Step 21.

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

Fig 31: Checking Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 21. Check rear speaker (LH) connector D-46 and radio, CD player and CD changer connectors C-111 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors D-46 and C-111 in good condition?

YES: Go to Step 22.

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

Fig 32: Locating Radio, CD Player And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 33: Locating Rear Speaker (LH) Connector D-46
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 22. Check the wiring harness between rear speaker (LH) connector D-46 (terminals 1 and 4) and radio, CD player and CD changer connector C-111 (terminals 2 and 8).

Fig 34: Locating Radio, CD Player And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 35: Locating Rear Speaker (LH) Connector D-46
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Also check intermediate connector C-28 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-28 is damaged, repair or replace the connectors as described in HARNESS CONNECTOR INSPECTION .

Q: Is the wiring harness between the rear speaker (LH) connector D-46 (terminals 1 and 4) and audio amplifier connector C-113 (terminals 2 and 8) in good condition?

YES: Replace the radio, CD player and CD changer. The rear speaker (LH) should sound.

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

Fig 36: identifying Connector C-28 Terminals
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 23. Check the rear speaker (RH).
1. Remove the rear speaker (RH). Refer to < TWEETER/REAR SPEAKER > .
2. Check that the rear speaker (RH) generates noise when a five-volt voltage is applied on the rear speaker (RH) terminal 1 and 4.
Q: Is the rear speaker (RH) generating noise?

YES: Go to Step 24.

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

Fig 37: Checking Speaker
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 24. Check rear speaker (RH) connector D-43 and audio amplifier connector C-113 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Are harness connectors D-43 and C-113 in good condition?

YES: Go to Step 25.

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

Fig 38: Locating Radio, CD Player And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 39: Locating Rear Speaker (RH) Connector D-43
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 25. Check the wiring harness between rear speaker (RH) connector D-43 (terminals 1 and 4) and radio, CD player and CD changer connector C-111 (terminals 1 and 7).

Fig 40: Locating Intermediate Connector C-13 And CD Changer Connector C-111
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 41: Locating Rear Speaker (RH) Connector D-43
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Also check intermediate connector C-13 for loose, corroded, or damaged terminals, or terminals pushed back in the connector. If intermediate connector C-13 is damaged, repair or replace the connectors as described in HARNESS CONNECTOR INSPECTION .

Q: Is the wiring harness between rear speaker (RH) connector D-43 (terminals 1 and 4) and radio, CD player and CD changer connector C-111 (terminals 1 and 7) in good condition?

YES: Replace the radio, CD player and CD changer radio, CD player and CD changer. The rear speaker (RH) should sound.

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