Mazda RX-8 Workshop Manual page 2793

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2011 - RX-8 - Restraints
DTC B2290
DTC B2290 Passenger sensing system malfunction
WARNING:
DETECTION
CONDITION
POSSIBLE
CAUSE
Detection conditions are for understanding the DTC outline before performing an inspection.
Performing an inspection according to only the detection conditions may cause injury due to an
operating error, or damage the system. When performing an inspection, always follow the
inspection procedure.
Passenger sensing system circuit malfunction
Seat weight sensor control module connector malfunction
Open or short circuit in the wiring harness between the SAS control module and seat weight
sensor
Open or short circuit in the wiring harness between the battery and the seat weight sensor
control module
Open or short circuit in the wiring harness between the seat weight sensor control module and
body ground
Seat weight sensor calibration not properly set
Communication error between SAS control module and seat weight sensor control module
Seat weight sensor control module internal malfunction
LH or RH seat weight sensor malfunction
SAS control module malfunction