2004 MITSUBISHI ENDEAVOR audio

Fig. 59: Speaker System Circuit Diagra
m
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig. 60: Identifying Connectors

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION The speakers sound according to audio signal output from the radio and CD player. TECHNICAL DESCRIPTION (COMMENT) The cause is probably a faulty speaker circuit system.
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 95: Identifying Connectors

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CIRCUIT OPERATION The sound signals are sent from the audio 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
2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Malfunction of the speaker Damaged wiring harness or connector Malfunction of the audio amplifier
DIAGNOSIS
STEP 1. Check which speaker has no sound on the vehicles with seven
speakers.
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) : Go to Step 8 .
Front door speaker (RH) : Go to Step 11 .
Rear door speaker (LH) : Go to Step 14 .
Rear door speaker (RH) : Go to Step 17 .
Woofer : Go to Step 20 .
STEP 2. Check the tweeter (LH).
1. Remove the tweeter
(LH
). Refer to SPEAKER
.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 96: Checking Speaker

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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.
STEP 3. Check tweeter (LH) connector C-126 and audio amplifier
connector C-11 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 98: Identifying Connector C
-126

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are harness connectors C-126 and C-11 in good condition?
YES: Go to Step 4.
NO: Repair or replace the damaged component(s). The tweeter (LH)
should sound.
STEP 4. Check the wiring harness between tweeter (LH) connector C-126
(terminals 1 and 2) and audio amplifier connector C-11 (terminals 3 and
11).

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 100: Identifying Connector C
-126

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the wiring harness between tweeter (LH) connector C-126 (terminals
1 and 2) and audio amplifier connector C-11 (terminals 3 and 11) in good
condition?
YES: Replace the audio amplifier. The tweeter (LH) should sound. NO: Repair the wiring harness. The tweeter (LH) should sound.
STEP 5. Check the tweeter (RH).
1. Remove the tweeter (RH). Refer to SPEAKER
.
2. Check that the tweeter (RH) generates noise when a five-volt voltage is
applied on the tweeter (RH) terminal.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 101: Checking Tweeter

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Is the tweeter (RH) generating noise?
YES: Go to Step 6.
NO: Replace the tweeter (RH). The tweeter (RH) should sound.
STEP 6. Check tweeter (RH) connector C-107 and audio amplifier
connector C-11 for loose, corroded or damaged terminals, or terminals
pushed back in the connector.

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor

Fig. 102: Identifying Connector C
-11 C
-107

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Q: Are harness connectors C-107 and C-11 in good condition?
YES: Go to Step 7.
NO: Repair or replace the damaged component(s). The tweeter (RH)
should sound.
STEP 7. Check the wiring harness between tweeter (RH) connector C-107
(terminals 1 and 2) and audio amplifier connector C-11 (terminals 4 and
12).

2004 Mitsubishi Endeavor LS
2004 BODY & ACCESSORIES Radio With Tape Player & Cd Player - Endeavor