PROCEDURE
1. CHECK NOISE CONDITION
(a) Check from which direction the noise comes (front left or right, or rear left or right).
OK: The location of the noise source can be determined.
NG
GO TO STEP 3
OK
2.
CHECK SPEAKERS (a
PROCEDURE
1. SET DESTINATION
(a) Set another destination and check if the system can calculate the route correctly.
OK: Route can be correctly calculated.
OK
END
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE