1986 TOYOTA CAMRY V20 CD player

1. SETTING SYSTEM
The system is in operation once the customer has pushed the required buttons and entered the custom-
erselected 3±digit ID number.
(Refer to the 0/M section, ºSetting the anti±theft systemº')
HINT:
wWhen the audio system is shipped the ID number has not been input, so the anti±theft system is
not in operation.
wIf the ID number has not been input, the audio system remains the same as a normal audio system.
2. ANTI±THEFT SYSTEM OPERATION
If the normal electrical power source (connector or battery terminal) is cut off, the audio system becomes
inoperable, even if the power supply resumes.
3. CANCELLING SYSTEM
The ID number chosen by the customer is input to cancel the anti±theft system.
(Refer to the 0/M section, ºif the system is activatedº)
HINT: To change or cancel the ID number, please refer to the 0/M section, ºCancelling the systemº.
AUDIO SYSTEM
System Description
Anti±Theft System (USA only)
The anti±theft system is only provided for audio systems
equipped with an Acoustic Flavor function.
HINT: The words º'ANTI±THEFT SYSTEMº are displayed
on the cassette tape slot cover.
For operation instructions for the anti±theft system,
please consult the audio system section in the Owner's
Manual (hereafter called O/M).
Tape player okay but no sound from AM and FM or either one.No power to radio or tape player, or power but no sound.
Sound quality bad when tape player played.
DEFECTIVE AUTO±SEARCH
MECHANISMSound quality bad when radio played. DEAD RADIO AND TAPE PLAYER
No sound from one speaker.
BAD SOUND QUALITY FAINT RECEPTIONProblem
*(a)
No.
Troubleshooting
HINT: For audio systems with anti±theft system, troubleshoot-
ing items marked (*) indicate that ºTroubleshooting for ANTI±
THEFT SYSTEMº should be carried out first.
± BODY ELECTRICAL SYSTEMAudio SystemBE±93

1. DEAD RADIO AND TAPE PLAYER
(a) No power to radio or tape player, or power but no sound.
Possible causes:
wBlown RADIO fuse
wShort circuit or broken wire in power source wire harness
,
wLoose connectors behind radio and tape player
wLoose speaker connector
wDefective speaker
wBroken wire in speaker wire harness
wImproperly installed radio or tape player
wDefective radio or tape player
Inspect and repair wire harness
for radio and tape player.Check for short circuit in
power source wire harness.
DESCRIPTION OF SYMBOLS
Replace radio and tape
player. Check RADIO fuse.
Proceed to Test 2.
Does not blow
Replace fuse.
Blows again TEST 1No short
Blown
Short
± BODY ELECTRICAL SYSTEMAudio SystermBE±95

(b) Tape player okay but not sound from either the FM or
AM band.
Possible causes:
wAntenna disconnected
wAntenna plug not properly connected
wDefective antenna
wDefective antenna cable
wDefective radio or tape player
wBlown DOME fuse
wShort circuit or broken wire in wire harness for
backup power source
Are all connectors behind radio and
tape player properly connected
Is there continuity in speaker
wire harness?Inspect and repair power wire
harness to radio and player.
Temporarily install another
speaker.Is there power to radio and
player connectors?
Inspect and repair speaker
wire harness.
IS radio electronic searchAre speaker connectors connected?Are radio and player
properly connected?
Proceed to Test 1 of
following item.Replace radio and
tape player.
Is either AM or FM okay? Connect properly.Properly reinstall. Connect properly.
Proceed to Test 3.Replace speaker. Proceed to Test 3.
Proceed to Test 2. w/o PlayerYe s TEST 2
TEST 3
TEST 1
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± BODY ELECTRICAL SYSTEMAudio SystemBE±96

HINT: Back±up power refers to the storage voltage for
preset tuning. This is applied even when the ignition
switch is OFF.
Is there back±up power to connectors
behind radio?
Inspect antenna and antenna cable,
and replace as necessary. Check for short circuit in back±up
power source wife harness.Inspect and repair back±up power
wire harness.
Inspect and repair wire harness
for back±up power source.
Temporarily install another
antenna. Okay?Check that antenna plug is
secure in radio.Inspect antenna plug.
Does radio alone work?Reinsert plug. Okay?
Replace tape player.Check DOME fuse.Proceed to Test 3.
Proceed to Test 4. Insert properly.
Replace radio.Replace fuse.
Replace radio. Blows again
TEST 3
TEST 4TEST 2
Blown
Loose Short
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± BODY ELECTRICAL SYSTEMAudio SystemBE±97

(c) No sound from one speaker.
Possible causes:
wLoose speaker connector
wBroken wire in speaker wire harness
wDefective speaker
wDefective radio and tape player
Pull out connector and
reinsert.
Check for continuity in speaker
wire harness. Temporarily install another
speaker. Okay?
Inspect and repair speaker
wire harness.Replace radio and tape player. !s the speaker connected?
Inspect connector.
Proceed to Test 2.
Replace speaker.
TEST 2TEST 1
Connect.
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± BODY ELECTRICAL SYSTEMAudio SystemBE±98

3. BAD SOUND QUALITY
(a) Sound quality bad when radio played.
Possible causes:
wMuItipath interference of excessive interception
wTuner dial not synchronized with station
wDefective antenna or antenna cable
wSpeaker improperly installed
wVibration sound from components near speaker
wDefective speaker
wDefective radio
(b) Sound quality bad when tape player played.
Possible causes:
wBad tape
wDirty head
wIncorrectly installed speaker
wVibration noise from around speaker
wDefective speaker
wDefective tape player HINT: FM distortion tends to increase sharply if the tun-
er is not synchronized.
FM multipath interference and excessively strong
AM reception near broadcasting station which
cannot be avoided in most cases.
Is there a vibration sound
corning from components
near speaker?Inspect antenna, cable and boost-
er, and repair as necessary.Is sound quality bad in
certain areas only?
Is speaker installed correctly
(not loose or too tight)?Temporarily install another
antenna. Okay?
Properly install. If speaker
frame is bent, replace. Is tuner dial properly synchronized?
Temporarily
install another
speaker. Okay? Properly synchronize.Proceed to Test 2.
Replace radio.Replace
speaker.
TEST 2TEST 1
Repair.
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± BODY ELECTRICAL SYSTEMAudio SystemBE±100

HINT: Head cleaning procedure.
(1) Raise the cassette door with your finger. Next, using
a pencil or like object, push in the guide as shown.
(2) Using a cleaning pen or cotton applicator soaked in
alcohol, clean the head surface, pinch rollers and
capstans.
(3) Push in the ºejectº button.
4. DEFECTIVE AUTO±SEARCH MECHANISM
Manual search possible but automatic search mechanism
does not function or does not stop at all receivable sta-
tions.
Possible causes:
wPoor search sensitivity (SENS button)
wDefective radio
Check if desired broadcast can
actually be received in the area.
If receivable, replace radio. Is desired broadcast receivable when
button is at ºDISTANTº position? Clean head. Does sound improve?
(See note for cleaning procedure.)Does sound improve with another
tape?
Is speaker correctly installed
(loose or too tight)?Does vibration sound
come from around
speaker?
Install correctly. If speaker
frame is bent, replace.Temporarily install
another speaker.
Okay?
Does needle move when
search button is pushed?Replace tape player. Proceed to Test 2.
Replace radio.Replace
speaker.
TEST
2
Tape bad TEST 1
Repair.
TEST
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± BODY ELECTRICAL SYSTEMAudio SystemBE±101