Home

Mazdamanuals.com

DTC U0300:00 OR U2100:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

DTC U0300:00 OR U2100:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

 id0802g8012300

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

U0300:00: Configuration setting invalid

U2100:00: Configuration 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.
•  SAS control module configuration setting has not been set
•  SAS control module configuration setting has not been done correctly
Fail-safe
•  Not applicable
Possible cause
•  SAS control module configuration setting not implemented
•  SAS control module configuration setting invalid
•  SAS control module malfunction
System wiring diagram
•  Not applicable
Connector diagram
•  Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action
1
VERIFY DTC OUTPUT STATUS
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
No
Go to the next step.
2
PERFORM SAS CONTROL MODULE CONFIGURATION
•  Perform the SAS control module configuration using the M-MDS.
•  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
Perform the repair completion verification.
No
DTC troubleshooting completed.
Repair completion verification 1
PERFORM SAS CONTROL MODULE DTC INSPECTION
•  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 THAT NO OTHER DTCs ARE PRESENT
•  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 any other DTCs output?
Yes
Repair the malfunction part according to the applicable DTC troubleshooting.
(See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
No
DTC troubleshooting completed.