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AUDIO
AV-7
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AV
TKWA0114E
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AUDIO
AV-9
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AV
RHD MODELS
TKWA0116E
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AUDIO
AV-11
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AV-12
AUDIO
Trouble Diagnoses
EKS002F5
AUDIO UNIT
InspectionEKS002F6
AUDIO UNIT
All voltage inspections are made with:
lIgnition switch ON or ACC
lAudio unit ON
lAudio unit connected (If audio unit is removed for inspection, supply a ground to the case using a jumper
wire.)
ANTENNA
Using a jumper wire, clip an auxiliary ground between antenna and body.
lIf reception improves, check antenna ground (at body surface).
lIf reception does not improve, check main feeder cable for short circuit or open circuit.
Symptom Possible causes Repair order
Audio unit inoperative (no digital display
and no sound from speakers).1. 10A fuse
2. Poor audio unit case ground
3. Audio unit1. Check 10A fuse [No. 4, located
in fuse block (J/B)]. Turn ignition
switch ON and verify that battery
positive voltage is present at ter-
minal 6 of audio unit.
2. Check audio unit case ground.
3. Remove audio unit for repair.
Audio unit presets are lost when ignition
switch is turned OFF.1. 15A fuse
2. Audio unit1. Check 15A fuse [No. 32, located
in fuse block (J/B)] and verify
that battery positive voltage is
present at terminal 3 of audio
unit.
2. Remove audio unit for repair.
Individual rear speaker is noisy or inopera-
tive.1. Each speaker
2. Output circuit to each speaker1. Check speaker.
2. Check the output circuits to each
speaker between audio unit and
each speaker.
AM/FM stations are weak or noisy. 1. Roof antenna
2. Audio unit ground
3. Audio unit1. Check roof antenna.
2. Check audio unit ground condi-
tion.
3. Remove audio unit for repair.
Audio unit generates noise in AM and FM
modes with engine running.1. Poor audio unit ground
2. Loose or missing ground bonding straps
3. Ignition condenser or rear window defogger
noise suppressor condenser
4. Ignition coil or secondary wiring
5. Audio unit1. Check audio unit ground.
2. Check ground bonding straps.
3. Replace ignition condenser or
rear window defogger noise sup-
pressor condenser.
4. Check ignition coil and second-
ary wiring.
5. Remove audio unit for repair.
Audio unit generates noise in AM and FM
modes with accessories on (switch pops
and motor noise).1. Poor audio unit ground
2. Antenna
3. Accessory ground
4. Malfunctioning accessory1. Check audio unit ground.
2. Check antenna.
3. Check accessory ground.
4. Replace accessory.
Page 735 of 3066

AUDIO
AV-13
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AV
RemovalandInstallationofAudioUnitEKS002PU
1. Remove instrument cluster lid “C”.
lRefer toIP-7, "CLUSTER LID C"in “Instrument Panel (IP)” section.
2. Remove screws and connector, and then remove audio unit.
3. Remove screws, and then bracket.
Locking CD auto-changer mechanismEKS002GM
CAUTION:
lPrior to removing a malfunctioning CD auto-changer unit that will be shipped for repair, the
changer mechanism MUST BE LOCKED to prevent the mechanism from being damaged during
shipping.
lIf a CD is jammed or unable to be removed from the unit, do NOT lock the changer mechanism. If
the unit is to be shipped for repair, carefully package the unit to prevent vibration and shock.
DAMPER LOCK PROCEDURE
1. Eject and remove any CDs from the CD auto-changer unit.
2. Turn ignition switch OFF. Wait until CD auto-changer unit display is off and mechanism stops moving
(mecha-nism sound stops).
3. Press any one of the disc selection buttons once. When a display shows on the CD auto-changer unit,
press the same disc selection button again within 5 seconds.
lThe changer mechanism will lock itself within 10 seconds.
4. After mechanism stops moving (mechanism sound stops), disconnect negative battery terminal.
NOTE:
After installing a new or remanufactured CD auto-changer unit, switching the CD auto-changer unit ON will
automati-cally unlock the mechanism. A special unlocking procedure is not required.
Removal and Installation of CD Auto-ChangerEKS002UW
1. Perform damper lock. Refer toAV- 1 3 , "DAMPER LOCK PROCEDURE".
2. Remove cluster lid finishers (left and right).
lRefer toIP-7, "CLUSTER LID FINISHER"in “Instrument Panel (IP)” section.
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AV-14
AUDIO
3. Remove screws, and then remove CD auto-changer with
bracket attached.
4. Remove screws, and then bracket.
Removal and Installation of SpeakersEKS002PV
1. Remove door finisher.
lRefer toEI-23, "DOOR FINISHER"in “Exterior/Interior (EI)”
section.
2. Remove speakers.
Removal and Installation of TweetersEKS002GO
1. Remove front speaker grille.
lRefer toIP-6, "FRONT SPEAKER GRILLE"in “Exterior/Inte-
rior (EI)” section.
2. Remove tweeters.
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