Mazda RX-8 Workshop Manual page 3049

Inspection item
Connector C-9
Wiring harness between branch A and connector C-9
Wiring harness between connector C-9 and branch B
F
Without SIRIUS satellite radio system and hands-free telephone system
Possible cause
Connector terminal disconnection, poor contact, damage, deformation, corrosion
Open circuit in wiring harness between climate control unit and branch A
Climate control unit malfunction
System wiring diagram