CHASSIS ELECTRICAL ± Multi-Center Display <High Grade>
54A-101
INSPECTION PROCEDURE 4
CD changer screen displays do not appear when TAPE/CD switches are operated.
Check connectors: C-54 and naviga-
tion unit DIN connector
NG
Repair
OK
Does radio reception occur and does
the screen change when the UML
switch is pressed
YES
Are the results of the hardware switch
checking using the audio switch check-
ing function (service function) normal?
NO
Replace the audio unit.
NO
Replace the navigation unit.
YES
Replace the CD changer.
INSPECTION PROCEDURE 5
GPS reception is not possible.
Is the vehicle in a good reception area?
NO
Move the vehicle to a good reception area.
YES
Turn the ignition switch to ACC, and then wait for about 5 minutes.
Is GPS reception still not possible?
NO
End (no abnormality)
YES
Replace the multi-center Display unit.
INSPECTION PROCEDURE 6
Outside air temperature data is not displayed.
OK
NO
YES
YES
NO
Check connectors: A-28, C-28, C-52
NG
Repair
OK
Carry out a wiring check (service func-
tion).
Does the message ªOutside air temper-
ature sensor not connectedº appear?
End (no abnormality).
Check the connections between the
multi-center display unit and the outside
air temperature sensor.
Replace the multi-center display.
NG
Check the harness between the multi-
center display unit and the outside air
temperature sensor, and replace if nec-
essary.
Is the selected model is correct?
Select correct model, and repeat wiring
check.
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