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Home >> Suzuki >> 2006 >> Grand Vitara Premium, RWD, Standard >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Air Bag System >> Except Advanced Air Bag >> Diagnostic Information And Procedure >> DTC B1321/B1325: Left/Right Side-Air Bag Initiator Circuit Resistance High >> 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:EXCEPT ADVANCED AIR BAG .
  1. With ignition switch OFF, disconnect side-air bag (inflator) module connector under front seat cushion.
  2. Check proper connection to left or right side-air bag (inflator) module at terminals in "L25" or "L30" connector.
  3. If OK, then connect special tools (B) and (C) to side-air bag (inflator) module connector disconnected at the Step 1).

    Special Tool 

    (B): 09932-75010 

    (C): 09932-78340 

  4. Check SDM DTC.
G04809627
With ignition switch ON, is DTC B1321 or B1325 still indicated? 
Go to Step 3. Go to Step 4.
  1. With ignition switch OFF, disconnect SDM connector "L33".
  2. Check proper connection to SDM at terminals "L33-1" and "L33-2" or "L33-3" and "L33-4".
  3. If OK, release shorting bar in SDM connector inserting release tool (1) included in special tool (A).
  4. Measure resistance between "L33-1" and "L33-2" terminals (for DTC B1321) or "L33-3" and "L33-4" terminals (for DTC B1325) with connected special tool (B) and (C).

    Special Tool 

    1. 09932-76010 
    2. 09932-75010 
    3. 09932-78340 
G04809628
Is resistance 5.5 Ω or less? 
Substitute a known-good SDM and recheck. DTC B1321: Repair high resistance or open in "GRY/RED" or "GRY" wire circuit in floor harness. DTC B1325: Repair high resistance or open in "BRN/WHT" or "BRN" wire circuit in floor harness.
  1. With ignition switch OFF, disconnect special tools (B) and (C) then reconnect connector "L25" or "L30".
  2. Disconnect side-air bag (inflator) module connector "Q02" or "Q03" from side-air bag (inflator) module.
  3. Check proper connection to side-air bag (inflator) module at terminal in connector.
  4. If OK, then connect special tools (A), (B) and (C) to side-air bag (inflator) connector.

    Special Tool 

    (A): 09932-76010 

    (B): 09932-75010 

    (D): 09932-78310 

  5. Check SDM DTC.
G04809629
With ignition switch ON, is DTC B1321 or B1325 still indicated? 
DTC B1321: Repair high resistance or open in "GRY/RED" or "GRY" wire circuit in seat harness.
DTC B1325: Repair high resistance or open in "BRN/WHT" or "BRN" wire circuit in seat harness.
Replace side-air bag (inflator) module referring to SIDE-AIR BAG (INFLATOR) MODULE REMOVAL AND INSTALLATION:EXCEPT ADVANCED AIR BAG .
NOTE: Upon completion of inspection and repair work, perform the following items.