Mazda RX-8 Workshop Manual page 3418

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2011 - RX-8 - Body and Accessories
NO.1 CAR-NAVIGATION SYSTEM DOES NOT START OPERATION (DISPLAY
CHANGES TO BACK.) [CAR-NAVIGATION SYSTEM]
Car-navigation system does not start operation. (Display screen changes to
1
black.)
POSSIBLE
CAUSE
Diagnostic procedure
STEP
Turn the ignition switch
1
to the ACC position.
Does the car-navigation
system start and display
map on screen?
2 Switch the ignition to off.
Inspect following fuses.
Melt or damaged power supply (B+, ACC) related fuse.
Poor connection of car-navigation unit connector, terminal damage
Open or short circuit in car-navigation unit (power supply (B+)) wiring
harness
Open or short circuit in car-navigation unit (power supply (ACC)) wiring
harness
Open or short circuit in car-navigation unit (GND) wiring harness
Car-navigation unit malfunction
INSPECTION
ROOM
15 A
ACC 7.5
YesGo to Step 6.
No Go to the next step.
YesGo to the next step.
No If the fuse is melted, inspect the wiring harness for
short to ground. Repair or replace the wiring harness,
then replace the fuse.
Replace with the appropriate standard fuse.
ACTION