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Home >> Suzuki >> 2013 >> Kizashi Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Body Electrical Control System) >> Diagnostic Information and Procedures >> DTC B1157: Air Bag Deployment Signal Input >> DTC Troubleshooting
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DTC Troubleshooting

WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE

Step Action YES NO
1  DTC recheck 
  1. Clear DTC, see DTC Clearance .
  2. Perform DTC CONFIRMATION PROCEDURE  and then recheck DTC.

Is DTC B1157 still detected? 		 Go to Step 2. End. (Air bag has deployed in past. (DTC is not cleared))
2  DTC recheck 
  1. Replace SDM, see SDM REMOVAL AND INSTALLATION .
  2. Perform DTC CONFIRMATION PROCEDURE  and then recheck DTC.

Is DTC B1157 still detected? 		 Substitute a known-good BCM and recheck DTC. End. (SDM was faulty)
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