DTC B1342

id080200801100

System Malfunction Location

• SAS control module internal malfunction

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 monitors the backup power supply, accelerometer operation and memory. If the SAS control module detects a malfunction in any of these components, it will store DTC B1342 in memory and output a pattern 24 flash to the air bag system warning light.

Possible Cause

• SAS control module malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

Turn the ignition switch to the LOCK position.

Connect the M-MDS.

Turn the ignition switch to the ON position.

Using the M-MDS, verify the DTCs and record the past malfunction DTCs.

Is the present malfunction DTC B1342 displayed?

Yes

Note

• Indicates a hard malfunction. The malfunction is still present. This malfunction cannot be cleared until it is corrected and the DTC is no longer displayed.

Replace the SAS control module. After replacement, go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

No

Intermittent malfunction. The malfunction is not present at this time. Replace the SAS control module. After replacement, go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

2

Refer to the past malfunction DTCs recorded during Step 1.

Was any past malfunction DTC displayed during Step 1?

Yes

If any DTC is displayed, refer to the DTC table, and repair the malfunctioning part according to the DTC inspection.

No

Clear all DTCs.

STEP	INSPECTION		ACTION
1	Turn the ignition switch to the LOCK position. Connect the M-MDS. Turn the ignition switch to the ON position. Using the M-MDS, verify the DTCs and record the past malfunction DTCs. Is the present malfunction DTC B1342 displayed?	Yes	Note • Indicates a hard malfunction. The malfunction is still present. This malfunction cannot be cleared until it is corrected and the DTC is no longer displayed. Replace the SAS control module. After replacement, go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
1		No	Intermittent malfunction. The malfunction is not present at this time. Replace the SAS control module. After replacement, go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
2	Refer to the past malfunction DTCs recorded during Step 1. Was any past malfunction DTC displayed during Step 1?	Yes	If any DTC is displayed, refer to the DTC table, and repair the malfunctioning part according to the DTC inspection.
2		No	Clear all DTCs.