Mazda 2: DTC B00A0:1C

System Malfunction Location

• Seat weight sensor control module circuit open to power supply

Detection Condition

WARNING:

• 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.
• Malfunction in seat weight sensor control module circuit.

Possible Causes

• SWS 7.5 A fuse malfunction
• Seat weight sensor control module connector malfunction
• Open or short circuit to power supply in wiring harness between fuse block and seat weight sensor control module.
• Seat weight sensor control module malfunction

System Wiring Diagram

Diagnostic Procedure

DTC B00A0:28

System Malfunction Location

• Seat weight sensor calibration setting invalid

Detection Condition

WARNING:

• 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.
• Calibration set value not within valid range.

Possible Causes

• Seat weight sensor deformed or malfunction
• Load to or deformation of the seat belt rail
• Deformed front passenger-side seat under-bracket or frame
• Weight acting on front passenger-side seat during calibration
• Improperly installed front passenger-side seat part at time of calibration
• Deformed floor where attached to front passenger-side seat
• Seat weight sensor control module malfunction
• SAS control module malfunction

Diagnostic Procedure

DTC B00A0:4A

System Malfunction Location

• Seat weight sensor ID mismatch

Detection Condition

WARNING:

• 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.
• Seat weight sensor ID mismatch

Possible Causes

• Seat weight sensor control module malfunction
• SAS control module malfunction

Diagnostic Procedure

DTC B00A0:54

System Malfunction Location

• Seat weight sensor calibration setting not set

Detection Condition

WARNING:

• 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.
• Seat weight sensor calibration setting has not been done correctly

Possible Causes

• Seat weight sensor calibration setting not implemented
• Seat weight sensor calibration setting invalid
• Seat weight sensor control module malfunction

Diagnostic Procedure

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