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 ignition.02
☞Connect the same wire to the ignition as the battery wire.
?Nothing happens when the buttons are pressed.04
✔The computer chip in the unit is not functioning normally.
☞Press the Reset button on the display unit (page 3).
?No sound or sound is low.52
✔The
☞Set the
✔The radio volume is sets to the minimum level.3
☞Turn the radio volume up.
✔The input/output wire or wiring harness is connected incorrectly.55
☞Connect the input/output wire or wiring harness correctly. See "Connecting Wires to Terminals" (Page 18,19).
?Sound distortion.67
✔The signal levels differ depending on sources.
☞Change the Modulation level / Dynamic control setting. (Page 13)
?Nothing appears on the display.04
✔The control output of the display unit is not connected properly.
☞Connect the control output properly.
Sirius source
?The Sirius mode cannot be selected.2
✔The Sirius connection wire is not connected.
☞Use the Sirius connection wire to connect the control unit and the Sirius satellite radio tuner.
✔Connect the power supply of the Sirius satellite radio tuner.53
☞Connect the battery wire and ground wire to the Sirius satellite radio tuner.
✔The Sirius satellite radio tuner is not connected properly.55
☞Connect the Sirius satellite radio tuner directly to this unit.
?No sound can be heard, or the volume is low.58
✔The input/output wires or wiring harness are connected incorrectly.
☞Reconnect the input/output wires and/or the wiring harness correctly.
?No broadcast can be received2
✔The Sirius antenna is not connected.
☞Connect it properly.
✔No subscription is established.53
☞Subscribe to SIRIUS.
?No sound is heard even though the information concerning the Sirius satellite radio tuner is displayed.67
✔The radio volume is sets to the minimum level.
☞Turn the radio volume up.
✔The microcomputer does not function correctly.68
☞Press the Reset button of the display unit.(Page 3)
✔The system is not connected properly.69
☞Connect the system properly. See <Connecting Wires to Terminals>. (Page 18,19)
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