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.01
✔ The fuse has blown.
☞ After checking for short circuits in the wires, replace the fuse with
one with the same rating.
✔ No ACC position on vehicle
☞ Connect the same wire to the ignition as the battery wire.
?
Nothing happens when the buttons are
✔ The computer chip in the unit is not functioning normally.
☞ Press the reset button on the unit (page 4).
?
There's a source you can't
switch.06
✔ There's no CD inserted.
☞ Set the media you want to listen to. If there's no media in this
unit, you can't swhich to each source.
?
The memory is erased when the ignition is turned
✔ The battery wire has not been connected to the proper terminal.
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals> (page 14).
✔ The ignition and battery wire are incorrectly
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals> (page 14).
?
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
☞ Center the fader and balance settings.
✔ The input/output wires or wiring harness are connected
☞ Reconnect the input/output wires or the wiring harness correctly.
See the section on <Connecting Wires to Terminals> (page 14).
ignition.02
pressed.04
OFF.10
connected.11
side.21
incorrectly.22
?
The sound quality is poor or
✔ One of the speaker wires is being pinched by a screw in the car.
☞ Check the speaker wiring.
✔ The speakers are not wired
☞ Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
?
The Touch Sensor Tone doesn't
✔ 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
☞ Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals> (page 14).
— 17 —
distorted.25
correctly.27
sound.34
connected.40