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Block diagram of navigation system II-D > < Notes on CD service installation

A2

Fault message display
Fault message display
In the event of a system fault, fault is stored in fault memory and/or fault message is output on display of operating electronics control unit, navigation -J402-.
At present the following fault messages can be displayed:
Indicated on display of navigation system II-D:
   
RDS TMC tuner:
Problem with RDS TMC
tuner link or link could
not be established

This fault message occurs in the following situations:
t  No CAN bus communication or communication problems between operating electronics control unit, navigation -J402- and navigation interface -R94- (open circuit in wiring or wire not connected)
t  Navigation interface -R94- defective
If this fault occurs, RDS TMC traffic information cannot be received and traffic jam function setting menu cannot be called up.
Indicated on display of navigation system II-D:
   
Dynamic navigation:
No telephone response
Dynamic function only with
ignition switched on

This fault message occurs in the following situations:
t  No CAN bus communication or communication problems between operating electronics control unit, navigation -J402- and telephone/telematics control unit -J526- (open circuit in wiring or wire not connected)
t  Telephone/telematics control unit -J256- defective
t  Terminal 15 OFF (ignition switched off)
If this fault occurs, TMC traffic information cannot be received via telephone. Dynamic navigation is not possible and traffic jam function cannot be called up.
Indicated on display of navigation system II-D:
   
Unsuitable CD
Insert CD-ROM
for TravelPilot DX

This message occurs in the following situations:
t  No version DX navigation CD inserted
–  Insert navigation CD with DX logo.
Inform customer accordingly.
Fault messages are displayed until fault has been rectified or confirmation provided by pressing RETURN key.
   

Block diagram of navigation system II-D > < Notes on CD service installation