Inspection Procedure 2: No Sound from One Speaker.
COMMENTS ON TROUBLE SYMPTOM
The cause is probably a faulty
speaker circuit system.
POSSIBLE CAUSES
- Malfunction of speaker.
- Damaged wiring harness or connector.
- Malfunction of radio and tape player or CD player.
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Step 1. Check to see which speaker the sound is not
output from.
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Use the speaker test to determine
which speaker does not sound.
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Q.
Which speaker is not working?
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Front door speaker (LH)
: Go to Step 2.
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Front door speaker (RH)
: Go to Step 5.
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Tweeter (LH) : Go to
Step 8.
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Tweeter (RH) : Go to
Step 11.
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Rear door speaker (LH)
: Go to Step 14.
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Rear door speaker (RH)
: Go to Step 17.
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Step 2. Check the front door speaker (LH).
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(1)Remove the front door speaker (LH). Refer to  .
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(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?
 Go to Step
3.
 Replace
the front door speaker (LH). The front door speaker (LH)
should sound.
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Step 3. Connector check: Front door speaker (LH)
connector F-12 and radio and tape player or CD player
connector C-20.
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Q.
Are harness connectors F-12 and C-20 in good
condition?
Go to Step
4.
Repair or
replace the damage component(s). The front door speaker (LH)
should sound.
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Step 4. Check the wiring harness between front door
speaker (LH) connector F-12 (terminal 1 and 2) and radio
and tape player or CD player connector C-20 (terminals 5
and 13).
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| note |
Prior to the wiring harness
inspection, check intermediate connectors C-27,
and repair if necessary.
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Q.
Is the wiring harness between front door speaker (LH)
connector F-12 (terminal 1 and 2) and radio and tape
player or CD player connector C-20 (terminal 5 and 13)
in good condition?
Repair or replace
the radio and tape player or CD player. The front door
speaker (LH) should sound.
Repair or replace
the damage component(s). The front door speaker (LH) should
sound.
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Step 5. Check the front door speaker (RH).
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(1)Remove the front door speaker (RH). Refer to .
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(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?
Go to Step
6.
Replace
the front door speaker (RH). The front door speaker (RH)
should sound.
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Step 6. Connector check: Front door speaker (RH)
connector F-21 and radio and tape player or CD player
connector C-20.
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Q.
Are harness connectors F-21 and C-20 in good
condition?
Go to Step
7.
Repair or
replace the damage component(s). The front door speaker (RH)
should sound.
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Step 7. Check the wiring harness between front door
speaker (RH) connector F-21 (terminal 1 and 2) and radio
and tape player or CD player connector C-20 (terminal 6
and 14).
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| note |
Prior to the wiring harness
inspection, check intermediate connector C-14,
and repair if necessary.
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Q.
Is the wiring harness between front door speaker (RH)
connector F-21 (terminal 1 and 2) and radio and tape
player or CD player connector C-20 (terminal 6 and 14)
in good condition?
Repair or replace
the radio and tape player or CD player. The front door
speaker (RH) should sound.
Repair the wiring
harness. The front door speaker (RH) should
sound.
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Step 8. Check the tweeter (LH).
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(1)Remove the tweeter (LH). Refer to .
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(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?
Go to Step
9.
Replace
the tweeter (LH). The tweeter (LH) should
sound.
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Step 9. Connector check: Tweeter (LH) connector F-06 and
radio and tape player or CD player connector
C-20
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Q.
Are harness connectors F-06 and C-20 in good
condition?
Go to Step
10.
Repair
or replace the damage component(s). The tweeter (LH) should
sound.
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Step 10. Check the wiring harness between tweeter (LH)
connector F-06 (terminal 1 and 2) and radio and tape
player or CD player connector C-20 (terminal 13 and
5).
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| note |
Prior to the wiring harness
inspection, check intermediate connectors C-27,
and repair if necessary.
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Q.
Is the wiring harness between tweeter (LH) connector
F-06 (terminal 1 and 2) and radio and tape player or CD
player connector C-20 (terminal 5 and 13) in good
condition?
Repair or replace
the radio and tape player or CD player. The tweeter (LH)
should sound.
Repair or replace
the damage component(s). The tweeter (LH) should
sound.
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Step 11. Check the tweeter (RH).
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(1)Remove the tweeter (RH). Refer to .
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(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?
Go to Step
12.
Replace
the tweeter (RH). The tweeter (RH) should
sound.
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Step 12. Connector check: Tweeter (RH) connector F-14
and radio and tape player or CD player connector
C-20.
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Q.
Are harness connectors F-14 and C-20 in good
condition?
Go to Step
13.
Repair
or replace the damage component(s). The tweeter (RH) should
sound.
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Step 13. Check the wiring harness between tweeter (RH)
connector F-14 (terminal 1 and 2) and radio and tape
player or CD player connector C-20 (terminal 14 and
6).
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| note |
Prior to the wiring harness
inspection, check intermediate connectors C-14,
and repair if necessary.
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Q.
Is the wiring harness between tweeter (RH) connector
F-14 (terminals 1 and 2) and radio and tape player or CD
player connector C-20 (terminals 14 and 6) in good
condition?
Repair or replace
the radio and tape player or CD player. The tweeter (RH)
should sound.
Repair or replace
the damage component(s). The tweeter (RH) should
sound.
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Step 14. Check the rear door speaker (LH).
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(1)Remove the rear door speaker (LH). Refer to .
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(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?
Go to Step
15.
Replace
the rear door speaker (LH). The rear door speaker (LH)
should sound.
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Step 15. Connector check: Rear door speaker (LH)
connector F-03 and radio and tape player or CD player
connector C-20.
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Q.
Are harness connectors F-03 and C-20 in good
condition?
Go to Step
16.
Repair
or replace the damage component(s). The rear door speaker
(LH) should sound.
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Step 16. Check the wiring harness between rear door
speaker (LH) connector F-03 (terminal 1 and 2) and radio
and tape player or CD player connector C-20 (terminal 2
and 8).
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| note |
Prior to the wiring harness
inspection, check intermediate connectors D-16
and C-16, and repair if necessary.
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Q.
Is the wiring harness between rear door speaker (LH)
connector F-03 (terminal 1 and 2) and radio and tape
player or CD player connector C-20 (terminal 2 and 8) in
good condition?
Repair or replace
the radio and tape player or CD player. The rear door
speaker (LH) should sound.
Repair or replace
the damage component(s). The rear door speaker (LH) should
sound.
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Step 17. Check the rear door speaker (RH).
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(1)Remove the rear door speaker (RH). Refer to .
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(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?
Go to Step
18.
Replace
the rear door speaker (RH). The rear door speaker (RH)
should sound.
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Step 18. Connector check: Rear door speaker (RH)
connector F-24 and radio and tape player or CD player
connector C-20.
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Q.
Are harness connectors F-24 and C-20 in good
condition?
Go to Step
19.
Repair
or replace the damage component(s). The rear door speaker
(RH) should sound.
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Step 19. Check the wiring harness between rear door
speaker (RH) connector F-24 (terminals 1 and 2) and
radio and tape player or CD player connector C-20
(terminals 1 and 7).
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| note |
Prior to the wiring harness
inspection, check intermediate connectors D-03,
D-16, and repair if necessary.
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Q.
Is the wiring harness between rear door speaker (RH)
connector F-24 (terminal 1 and 2) and radio and tape
player or CD player connector C-20 (terminal 1 and 7) in
good condition?
Repair or replace
the radio and tape player or CD player. The rear door
speaker (RH) should sound.
Repair or replace
the damage component(s). The rear door speaker (RH) should
sound.
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