Suzuki WagonR+ RB310 Service Manual page 1536

DTC B1058 – Frontal Crash Detected (Pretensioner Activation Command Out-
putted)
CAUTION:
Be sure to perform Air Bag Diagnostic System Check before starting diagnosis according to flow
table.
DTC WILL SET WHEN
The SDM detects a frontal crash of sufficient force to warrant activation of pretensioner. (SDM outputs a activa-
tion command.)
TABLE TEST DESCRIPTION
STEP 1 : Check that DTC B1058 has been set although pretensioner has not been activated.
STEP 2 : Check that DTC has been set due to failure of SDM.
DIAGNOSTIC FLOW TABLE
Step
1 1) Ignition switch OFF.
Has air bag (inflator) module deployed?
2 1) Inspect front of vehicle and undercarriage
for signs of impact.
Are there signs of impact?
NOTE:
• DTC B1058 can never be cleared once it has been set.
• Upon completion of inspection and repair work, perform the following items.
– Reconnect all air bag system components, ensure all components are properly mounted.
– Repeat AIR BAG DIAGNOSTIC SYSTEM CHECK to confirm that the trouble has been corrected.
Action Yes
Replace components and
perform inspections as
directed in "REPAIRS
AND INSPECTIONS
REQUIRED AFTER AN
ACCIDENT" in this sec-
tion.
Replace components and
perform inspections as
directed in "REPAIRS
AND INSPECTIONS
REQUIRED AFTER AN
ACCIDENT" in this sec-
tion.
AIR BAG SYSTEM 10B-45
No
Go to step 2.
Substitute a known-good
SDM and recheck.