DTC B00D2:29 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

id0802g8826700

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

System malfunction location
•  Communication error with instrument cluster (air bag system warning light status mis-matched)
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.
•  Air bag system warning light illumination request sent from SAS control module does not correspond to air bag system warning light illumination status in instrument cluster
Fail-safe
Not applicable
Possible cause
•  Instrument cluster assembly incorrect
•  Instrument cluster malfunction
•  SAS control module malfunction
System wiring diagram
Not applicable


Diagnostic Procedure

Step

Inspection

Action
1
INSPECT DTCs IN SAS CONTROL MODULE
•  Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
•  Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
•  Is DTC U0001:88 or U0155:00 displayed?
Yes
Perform the applicable DTC inspection. (See DTC U0001:88/U0155:00 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
No
Go to the next step.
2
INSPECT INSTRUMENT CLUSTER
•  Verify that the instrument cluster is correctly installed.
•  Is the instrument cluster correctly installed?
Yes
Go to the next step.
No
Correctly install the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
Then go to the next step.
3
INSPECT INSTRUMENT CLUSTER
•  Perform the active command mode inspection for the instrument cluster using the M-MDS.
―  WL+IL
•  Does the air bag system warning light illuminate?
Yes
Go to the next step.
No
Replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)
Then go to the next step.
4
PERFORM SAS CONTROL MODULE DTC INSPECTION
•  Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
•  Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)
•  Is the same Pending DTC present?
Yes
Repeat the inspection from Step 1.
•  If the malfunction recurs, replace the SAS control module.
No
DTC troubleshooting completed.