Dtc B1021: Front Air Bag Module Deployed; Dtc B1024 / B1025: Side-Air Bag (Driver / Passenger) Deployed - Suzuki Swift Sport 2004 Service & Repair Manual

8B-22 Air Bag System:

DTC B1021: Front Air Bag Module Deployed

DTC Will Set when
The SDM detects a frontal crash of sufficient force to warrant activation of the air bag system. (SDM outputs a
deployment command.)
Flow Test Description
Step 1: Check that DTC B1021 has been set although air bag has not been deployed.
Step 2: Check that DTC has been set due to failure of SDM.
NOTE
Before executing items in this flow, be sure to perform "Air Bag Diagnostic System Check".
DTC Troubleshooting
Step
1 1) Turn ignition switch OFF.
Has air bag deployed?
2 1) Inspect front of vehicle and undercarriage for signs of
impact.
Are there signs of impact?
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.
• Clear DTCs of BCM referring to "DTC Clearance in Section 10B"

DTC B1024 / B1025: Side-Air Bag (Driver / Passenger) Deployed

DTC Will Set when
The SDM detects a sideward crash (driver or passenger side) of sufficient force to warrant activation of the side-air
bag system (driver or passenger). (SDM outputs a deployment command.)
Flow Test Description
Step 1: Check that DTC B1024 or B1025 has been set although side-air bag has not been deployed.
Step 2: Check that DTC has been set due to failure of SDM.
NOTE
Before executing items in this flow, be sure to perform "Air Bag Diagnostic System Check".
Action Yes
Replace components
and perform inspections
as directed in "Repair
and Inspection
Required after
Accident".
Replace components
and perform inspections
as directed in "Repair
and Inspection
Required after
Accident".
S7RS0B8204014
No
Go to Step 2.
Substitute a known-
good SDM and recheck.
S7RS0B8204015