Depending on the length of time the power was interrupted, your system may require GPS initialization.

If initialization is not necessary, the system proceeds directly to the Startup Confirmation screen.
If the system fails to locate a sufficient number of satellites to locate your position within 10 minutes, the following screen is displayed.

If you are experiencing GPS reception problems:
MAP Sensor Replacement
Disconnect the MAP sensor connector (A).
Remove the MAP sensor (B).
Install the parts in the reverse order of removal with a new O-ring (C).
...
Wiper/Washer Switch Test/Replacement
Remove the steering column covers.
Disconnect the dashboard wire harness 8P connector (A) from the wiper/washer
switch (B).
@font-face{font-f ...
A/T Housing Idler Gear Shaft Removal and Installation (A/T)
Remove the snap ring (A), the cotter retainer (B), and the cotters (C)
from the idler gear shaft (D), then remove the idler gear shaft. Do not
distort the snap ring.
Check ...