Mazda RX-8 Workshop Manual page 3064

Inspection item
With advanced keyless entry and start system
Keyless control module connector
Wiring harness between keyless control module terminal 3X and branch C
Wiring harness between keyless control module terminal 3W and branch C
Keyless control module
Without advanced keyless entry and start system
Keyless control module connector
Wiring harness between keyless control module terminal 3A and branch C
Wiring harness between keyless control module terminal 3B and branch C
Keyless control module
I
Possible cause
Connector terminal disconnection, poor contact, damage, deformation, corrosion