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What might appear 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.
Troubleshooting Guide
SOLUTIONPOSSIBLE CAUSEPROBLEM
Nothing happens when the
buttons are pressed.
The computer chip in the unit is not functioning normally. Press the reset button on the unit (see page 4).
The antenna control cable is not connected. Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
Radio reception is poor. The car antenna is not extended. Pull out the antenna all the way.
The power does not turn on. The fuse has blown. After checking for short circuits in the cables, replace
the fuse with one having the same rating.
The TEL mute function does
not work.
The TEL mute cable is not connected properly. Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
The TEL mute function turns
on even though the TEL mute
cable is not connected.
The TEL mute cable is touching a metal part of the car. Pull the TEL mute cable away from the metal part of
the car.
The memory is erased when
the ignition is turned off.
The battery cable has not been connected to the proper
terminal.
Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
The ignition and battery cable are incorrectly connected. Connect the cable correctly, referring to the section on
"Connecting Cables to Terminals".
TV (AUX) cannot be selected. "Built-in AUX Control" is turned off. Refer to the "Built-in AUX Control" in the menu setting
(page 60) and turn on the "Built-in AUX Control" .