58 | English
Troubleshooting Guide
What may 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 a new one with the
same rating.
The speaker wire has a short-circuit or touches the
chassis of the vehicle, and the protection function
is activated.
Wire or insulate the speaker cable properly
and press the reset button.
? There is a source you cannot change.
There is no media inserted.
Set the media you want to hear. If there is no
media in this unit, you cannot change to each
source.
The Disc changer is not connected.
Connect the Disc changer. If the Disc changer
is not connected to it’s input terminal, You
cannot change to an external disc 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.
? 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 Control> (page 11).
The <Built-in Amp Setting> (page 45) is OFF.
Turn it ON.
? 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.
? The Touch Sensor Tone does not sound.
The preout jack is being used.
The Touch Sensor Tone cannot be output from
the preout jack.
? Even though Synchronize Clock is ON, the clock
cannot be adjusted.
The received RDS station is not sending time data.
Receive another RDS station.
? The Dimmer function does not work.
The Dimmer wire is not connected correctly.
Check the Dimmer wire connection.
The <Dimmer> (page 44) is OFF.
Turn it ON.
? The sound is not output from Subwoofer or it
outputs a different sound.
When "2ZONE" of <Audio Setup> (page 11) is set
to ON.
Turn OFF "2ZONE" of <Audio Setup>.
? There are no audio control effects.
FOCUS/ SRS 3D item on <WOW Control> (page
15) have no effect in rear output.
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? Switching between negative and positive display
modes takes place automatically.
Switching between negative and positive display
modes takes place automatically to maintain the
initial brightness of the display for a long period of
time.
You can select "Display N/P: POSI" as
mentioned in <Display-reversing Setting>
(page 45).