Dtc B1051: Frontal Crash Detected (System Activation Command Outputted); Dtc B1056 / B1057: Sideward Crash (Driver / Passenger Side) Detected (Side Air Bag System Activation Command Outputted) - Suzuki Liana RH413 Service Manual

NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components, ensure all components are properly mounted.
• Clear diagnostic trouble codes (Refer to "DTC Clearance"), if any.
• Repeat "Air Bag Diagnostic System Check" to confirm that the trouble has been corrected.

DTC B1051: Frontal Crash Detected (System Activation Command Outputted)

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 B1051 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) Ignition switch OFF.
Has driver air bag (inflator) module deployed?
2 1) Inspect front of vehicle and undercarriage for signs of
impact.
Are there signs of impact?
NOTE
• DTC B1051 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.
DTC B1056 / B1057: Sideward Crash (Driver / Passenger Side) Detected (Side Air Bag System
Activation Command Outputted)
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 side). (SDM outputs a deployment command.)
Flow Test Description
Step 1: Check that DTC B1056 or B1057 has been set although side air bag (driver or passenger side) 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
Air Bag System:
Yes
Replace components
and perform inspections
as directed in "Repairs
and Inspections
Required after an
Accident".
Replace components
and perform inspections
as directed in "Repairs
and Inspections
Required after an
Accident".
8B-68
S3RH0A8204028
No
Go to Step 2.
Substitute a known-
good SDM and recheck.
S3RH0A8204034