Mazda RX-8 Workshop Manual page 3343

Is there any open or short circuit detected?
9 Install all removed parts.
Compare reception with other audio
unit/car-navigation unit on same model
(model/unit) under same problem
conditions.
Is reception equivalent between customer's
unit and compared unit?
NOTE:
Between SIRIUS satellite
radio unit harness side
connector terminal 2O and
car-navigation unit
terminal 2O
Between SIRIUS satellite
radio unit harness side
connector terminal 2P and
car-navigation unit
terminal 2P
Between SIRIUS satellite
radio unit harness side
connector terminal 2C and
car-navigation unit
terminal 2C
Between SIRIUS satellite
radio unit harness side
connector terminal 2E and
car-navigation unit
terminal 2E
Between SIRIUS satellite
radio unit harness side
connector terminal 2G and
car-navigation unit
terminal 2G
Between SIRIUS satellite
radio unit harness side
connector terminal 2A and
car-navigation unit
terminal 2A
Due to following
differences, you may feel
difference in reception
efficiency.
(Vehicle side factor)
YesThe system is normal.
(It is caused by electronic jamming
from outside, or inferior broadcasting
station signal condition.)
No Replace audio unit/car-navigation
unit.
(See CENTER PANEL UNIT
REMOVAL/INSTALLATION.)
(See CENTER PANEL UNIT
DISASSEMBLY/ASSEMBLY.)