Mazda RX-8 Workshop Manual page 3248

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2011 - RX-8 - Body and Accessories
NO.2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE [KEYLESS ENTRY
SYSTEM]
When performing an asterisked (*) troubleshooting inspection, slightly shake the wiring
harness and connectors while performing the inspection to discover whether poor contact
points are the cause of any intermittent malfunctions. If there is a problem, verify that the
connectors, terminals and wiring harnesses are connected correctly and undamaged.
The door switches include the rear door upper latch switches and rear door lower latch
switches.
2 All on-board diagnostic functions inoperative
DESCRIPTION
POSSIBLE
CAUSE
Malfunction in keyless control module power supply circuit, door switch
circuit, trunk lid compartment light circuit, keyless control module ground
circuit.
Malfunction in IG1 or B+ signal circuit of keyless control module
Keyless control module power supply fuse malfunction
Malfunction in wiring harness between keyless control
module power supply fuses and keyless control module
Malfunction in door open/closed signal circuit of keyless control module
Door switch system malfunction
Keyless control module malfunction
Malfunction in wiring harness between keyless control
module and door switch
Malfunction in trunk lid open signal circuit of keyless control module
Trunk lid compartment light switch system malfunction
Keyless control module malfunction
Malfunction in wiring harness between keyless control
module and trunk lid compartment light switch
Malfunction in keyless control module GND signal circuit