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Troubleshooting Guide
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.
✔
The fuse has blown.
☞
After checking for short circuits in the wires,
replace the fuse with one with the same
rating.
✔
The speaker wire has a short-circuit or touches
the chassis of the vehicle, and then the protection
function is activated.
☞
Wire or insulate the speaker cable properly
and press the reset button.
?
There’s a source you can’t switch.
✔
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 memory is erased when the ignition is
turned OFF.
✔
The ignition and battery wire are incorrectly
connected.
☞
Connect the wire correctly, referring to the
section on <Connecting Wires to Terminals>.
?
The TEL mute function does not work.
✔
The TEL mute wire is not connected properly.
☞
Connect the wire correctly, referring to the
section on <Connecting Wires to Terminals>.
?
The TEL mute function turns ON even though the
TEL mute wire is not connected.
✔
The TEL mute wire is touching a metal part of the
car.
☞
Pull the TEL mute wire away from the metal
part of the car.
?
Even if Loudness is turned ON, high-pitched tone
isn’t compensated for.
✔
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.
☞
Center the fader and balance settings.
✔
The input/output wires or wiring harness are
connected incorrectly.
☞
Reconnect the input/output wires or the
wiring harness correctly. See the section on
<Connecting Wires to Terminals>.
✔
The values of Volume offset are low.
☞
Turn up the Volume offset, referring to the
section on <Audio Setup> (page 7).
?
The sound quality is poor or distorted.
✔
One of the speaker wires is being pinched by a
screw in the car.
☞
Check the speaker wiring.
✔
The speakers are not wired correctly.
☞
Reconnect the speaker wires so that each
output terminal is connected to a different
speaker.
Tuner source
?
Radio reception is poor.
✔
The car antenna is not extended.
☞
Pull the antenna out all the way.
✔
The antenna control wire is not connected.
☞
Connect the wire correctly, referring to the
section on <Connecting Wires to Terminals>.
B64-2937-00̲English̲r1.indd 19
B64-2937-00̲English̲r1.indd 19
04.10.6 1:23:20 PM
04.10.6 1:23:20 PM
