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What might seem to be a malfunction in your unit may
just be the result of slight misoperation or miswiring.
Before calling service, first check the following table
for possible problems.
General
?
The power does not turn ON.
01
✔
The fuse has blown.
☞
After checking for short circuits in the wires, replace the fuse with
one with the same rating.
?
There’s a source you can’t switch.
07
✔
There’s no media inserted.
☞
Set the media you want to listen to. If there’s no media in this
unit, you can't switch to each source.
✔
The Disc changer isn’t connected.
08
☞
Connect the Disc changer. If the Disc changer isn’t connected to
it's input terminal, You can't switch to an external disc source.
?
The memory is erased when the ignition is turned OFF.
10
✔
The ignition and battery wire are incorrectly connected.
11
☞
Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
?
Even if Loudness is turned ON, high-pitched tone isn't compensated
for.
17
✔
Tuner source is selected.
☞
High-pitched tone isn't compensated for when in Tuner source.
?
No sound can be heard, or the volume is low.
✔
The fader or balance settings are set all the way to one side.
21
☞
Center the fader and balance settings.
✔
The input/output wires or wiring harness are connected incorrectly.
22
☞
Reconnect the input/output wires or the wiring harness correctly.
See the section on <Connecting Wires to Terminals>.
?
The sound quality is poor or distorted.
25
✔
One of the speaker wires is being pinched by a screw in the car.
☞
Check the speaker wiring.
✔
The speakers are not wired correctly.
27
☞
Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
?
The Touch Sensor Tone doesn’t sound.
34
✔
The preout jack is being used.
☞
The Touch Sensor Tone can’t be output from the preout jack.
Tuner source
?
Radio reception is poor.
39
✔
The car antenna is not extended.
☞
Pull the antenna out all the way.
✔
The antenna control wire is not connected.
40
☞
Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
Disc source
?
"AUX EXT" is displayed without achieving External disc control
mode.
50
✔
Unsupported disc changer is connected.
51
☞
Use the disc changer mentioned in the IMPORTANT
INFORMATION of the section on <Safety precautions> (page 4).
?
The specified disc does not play, but another one plays instead.
52
✔
The specified CD is quite dirty.
☞
Clean the CD.
✔
The disc is loaded in a different slot from that specified.
54
☞
Eject the disc magazine and check the number for the specified
disc.
✔
The disc is severely scratched.
55
☞
Try another disc instead.
Troubleshooting Guide
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