Toyota Tundra Service Manual: Route cannot be Calculated

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Route cannot be Calculated

PROCEDURE

1.	SET DESTINATION

(a) Set another destination and check if the system can calculate the route correctly.

OK:

Route can be correctly calculated.

NORMAL OPERATION

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Reverse Signal Circuit

Satellite Radio Broadcast cannot be Received

See More:

Toyota Tundra Service Manual > Meter / Gauge System: Last Communication With Navigation ECU (U0163)
DESCRIPTION The combination meter assembly communicates with the navigation receiver assembly via the CAN line. DTC Code DTC Detection Condition Trouble Area U0163 When either of following conditions is detected: IG voltage 10.5 V or more No communication with navigation receiver assembly continues ...

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