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DTC B0003:53 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

DTC B0003:53 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

 id0802g8008000

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

Operation (deployment) inhibited
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.
•  The SAS control module configuration has not been set
•  SAS control module configuration setting has not been done correctly
•  The SAS control module configuration has been set, but air bag system is not normal
Fail-safe
•  Not applicable
Possible cause
•  SAS control module configuration setting not implemented
•  SAS control module configuration error
•  Air bag system malfunction
•  SAS control module malfunction
System wiring diagram
•  Not applicable
Connector diagram
•  Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action
1
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  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
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
Go to the next step.
No
If DTC is displayed:
•  Repair the malfunction part according to the applicable DTC troubleshooting.
If DTC is not displayed:
•  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.