DTC B2477 [AIR BAG SYSTEM]

id0802a0810500

System Malfunction Location

• Configuration error

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 done correctly

Possible Causes

• SAS control module configuration setting not implemented

• SAS control module configuration setting invalid

• SAS control module malfunction

Diagnostic Procedure

Step

Inspection

Action

1

PERFORM SAS CONTROL MODULE INSPECTION

•  Perform the configuration for the SAS control module using the M-MDS.
(See SAS CONTROL MODULE CONFIGURATION.)

•  Clear the DTC for the SAS control module using the M-MDS.
(See CLEARING DTC [AIR BAG SYSTEM].)

•  Perform the DTC inspection for the SAS control module using the M-MDS.
(See DTC INSPECTION [AIR BAG SYSTEM].)

•  Are the same DTCs present?

Yes

Perform the SAS control module configuration, then go to the next step.

(See SAS CONTROL MODULE CONFIGURATION.)

No

Go to the next step.

2

PERFORM SAS CONTROL MODULE DTC INSPECTION

•  Clear the DTC for the SAS control module using the M-MDS.
(See CLEARING DTC [AIR BAG SYSTEM].)

•  Perform the DTC inspection for the SAS control module using the M-MDS.
(See DTC INSPECTION [AIR BAG SYSTEM].)

•  Are the same DTCs present?

Yes

Replace the SAS control module.

(See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

No

DTC troubleshooting completed.

Step	Inspection		Action
1	PERFORM SAS CONTROL MODULE INSPECTION • Perform the configuration for the SAS control module using the M-MDS. (See SAS CONTROL MODULE CONFIGURATION.) • Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [AIR BAG SYSTEM].) • Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [AIR BAG SYSTEM].) • Are the same DTCs present?	Yes	Perform the SAS control module configuration, then go to the next step. (See SAS CONTROL MODULE CONFIGURATION.)
1		No	Go to the next step.
2	PERFORM SAS CONTROL MODULE DTC INSPECTION • Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [AIR BAG SYSTEM].) • Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [AIR BAG SYSTEM].) • Are the same DTCs present?	Yes	Replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
2		No	DTC troubleshooting completed.