Home

Mazdamanuals.com

DTC B1206:00, B143A:00, B1A55:00 OR U2107:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

DTC B1206:00, B143A:00, B1A55:00 OR U2107:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

 id0802g8010900

Note
•  The SRS air bag system can be identified by whether or not the seat track position sensor is present.
―  Standard deployment control system: Without seat track position sensor
―  Two-step deployment control system: With seat track position sensor

Outline

System malfunction location

B1206:00: SAS control module collision judgment signal output (fuel cut signal output)

B143A:00: SAS control module collision judgment signal output (collision detection signal output)

B1A55:00: SAS control module collision judgment signal output (collision detection signal output)

U2107:00: SAS control module collision judgment signal output (secondary collision reduction request signal output)
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.
•  SAS control module outputs collision judgment signal
Fail-safe
•  Not applicable
Possible cause
•  Vehicle collision
•  SAS control module operation (deployment)
•  SAS control module outputs collision judgment signal
•  SAS control module malfunction
System wiring diagram
•  Not applicable
Connector diagram
•  Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action
1
PERFORM SAS CONTROL MODULE DTC INSPECTION
•  Perform the DTC inspection for the SAS control module using the M-MDS.
•  Is the DTC B1193:00 displayed?
Yes
Replace the SAS control module and perform the repair completion verification.
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)
(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)
No
Go to the next step.
Repair completion verification 1
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the SAS control module using the M-MDS.
•  Perform the DTC inspection for the SAS control module using the M-MDS.
•  Are the same Pending DTCs present?
Yes
Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(E)].)
If the CAN communication is normal, perform the diagnosis from Step 1.
•  If the malfunction recurs, replace the SAS control module.
No
Go to the next step.
Repair completion verification 2
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
No
DTC troubleshooting completed.