Suzuki SY413 Service Manual page 2529

9J-60 AIR BAG SYSTEM
CODE 51 – FRONTAL CRASH DETECTED (SYSTEM ACTIVATION COMMANDED
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 de-
ployment/activation command.)
TABLE TEST DESCRIPTION
STEP 1: Check that DTC51 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 table, be sure to perform "AIR BAG DIAGNOSTIC CHECK FLOW TABLE".
STEP
1 Ignition switch OFF.
Has air bag system deployed?
2 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 procedure.
1) Reconnect all air bag system components, ensure all components are properly mounted.
2) Repeat "AIR BAG DIAGNOSTIC SYSTEM CHECK FLOW TABLE" to confirm that the trouble has been
corrected.
CODE 71 – INTERNAL SDM FAULT
DTC WILL SET WHEN:
An internal SDM fault is detected by SDM.
NOTE:
D Before executing items in this table, be sure to perform "AIR BAG DIAGNOSTIC CHECK FLOW TABLE".
D CODE 71 can never be cleared once it has been set.
1) Ignition switch OFF.
2) Replace SDM.
3) Repeat "AIR BAG DIAGNOSTIC SYSTEM CHECK FLOW TABLE" in this section.
ACTION YES
Replace components and per-
form inspections as directed in
"Repairs and Inspections Re-
quired After an Accident".
Replace components and per-
form inspections as directed in
"Repairs and Inspections Re-
quired After an Accident".
NO
Go to Step 2.
Substitute a known-good
SDM and recheck.