Mazda RX-8 Workshop Manual page 2750

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2011 - RX-8 - Restraints
DTC B1877, B1878, B1879, B1885
B1877 Driver-side pre-tensioner seat belt circuit resistance high
B1878 Driver-side pre-tensioner seat belt circuit short to power supply
DTC
B1879 Driver-side pre-tensioner seat belt circuit short to ground
B1885 Driver-side pre-tensioner seat belt circuit resistance low
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.
Abnormal resistance (other than 1.5—3.1 ohms) detected in the driver-side
pre-tensioner seat belt circuit
Malfunction in the wiring harness between the driver-side pre-tensioner seat
belt and SAS control module
Driver-side pre-tensioner seat belt connector malfunction
Open or short circuit in the wiring harness between the driver-side pre-
tensioner seat belt and SAS control module
Driver-side pre-tensioner seat belt malfunction
SAS control module malfunction