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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Air Bag System >> Advanced Air Bag >> Diagnostic Information And Procedure >> DTC B1381/1384: Driver/Passenger Seat Belt Buckle Sensor Circuit Open >> DTC Troubleshooting
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DTC Troubleshooting

DTC TROUBLESHOOTING

Step Action YES NO
Was "Air Bag Diagnostic System Check" performed?  Go to Step 2. Go to AIR BAG DIAGNOSTIC SYSTEM CHECK:ADVANCED AIR BAG .
  1. Turn ignition switch OFF.
  2. Disconnect SDM connector "L33" and seat belt buckle sensor connector "L58" or "L60".
  3. Check proper connection to SDM connector at terminals "L33-20" and "L33-21" (for DTC B1381), or terminals "L33-22" and "L33-23" (for DTC B1384).
  4. Check proper connection to seat belt buckle sensor connector at terminals "L58-1" and "L58-2" or "L60-1" and "L60-2".
  5. Using service wire (1), connect "L58-1" and "L58-2" terminal (for DTC B1381) or "L60-1" and "L60-2" terminal (for DTC B1384) of seat belt buckle sensor connector.
  6. Measure resistance between terminals "L33-20" and "L33- 21" (for DTC B1381), or between terminals "L33-22" and "L33-23" (for DTC B1384).

    Special Tool 

    1. 09932-76010 
G04809414
Is each measured resistance 1 Ω or less? 
Go to Step 3. For DTC B1381: High resistance or open wire in "RED/BLU" circuit or "RED/BLK" circuit.
For DTC B1384: High resistance or open wire in "WHT/BLU" circuit or "WHT/BLK" circuit.
  1. Check seat belt buckle sensor referring to FRONT SEAT BELT INSPECTION .
Is it in good condition? 
Substitute a known-good SDM and recheck. Replace seat belt buckle sensor referring to FRONT SEAT BELT REMOVAL AND INSTALLATION . If DTC still exists, substitute a known-good SDM and recheck.
NOTE: Upon completion of inspection and repair work, perform the following items.