Air Bag System: 8B-23
DTC Troubleshooting
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 B1026: Pretensioner Activated
S7RS0B8204016
DTC Will Set when
The SDM detects a frontal crash of sufficient force to warrant activation of the pretensioner. (SDM outputs a
deployment command.)
Flow Test Description
Step 1: Check that DTC B1026 has been set although pretensioner has not been activated.
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
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”
Step Action Yes No
1 1) Turn ignition switch OFF.
Has air bag deployed?
Replace components
and perform inspections
as directed in “Repair
and Inspection
Required after
Accident”.
Go to Step 2.
2 1) Inspect front of vehicle and undercarriage for signs of
impact.
Are there signs of impact?
Replace components
and perform inspections
as directed in “Repair
and Inspection
Required after
Accident”.
Substitute a known-
good SDM and recheck.
Step Action Yes No
1 1) Turn ignition switch OFF.
Has pretensioner activated?
Replace components
and perform inspections
as directed in “Repair
and Inspection
Required after
Accident”.
Go to Step 2.
2 1) Inspect front of vehicle and undercarriage for signs of
impact.
Are there signs of impact?
Replace components
and perform inspections
as directed in “Repair
and Inspection
Required after
Accident”.
Substitute a known-
good SDM and recheck.