In collision, SRSCM
sends current to pertinent air bag for deployment. Besides SRSCM performs
diagnosis of overall air bag system and light warning lamp if there's any
fault in it. Main functions of SRSCM are as follows.
| 1. |
Collision and Passenger presence
Detection. |
| 2. |
Determination of air bag deployment in
accordane with given condition. |
| 3. |
Internal and external diagnosis of air bag
system. |
| 4. |
Warning by warning lamp if there's any fault
in airbag system. |
| 5. |
Proffering data for scantool
diagnosis. |
When the Crash
recorded in full stage in the SRS Control module.
Item
|
Detecting
Condition
|
Possible
cause
|
DTC Strategy
|
| •
|
Crash recorded in full stage in the
SRSCM | |
| •
|
Unable to control SRS system due to
internal fault. |
| •
|
Crash recorded in full
stage | |
Enable Conditions
|
|
Threshold Value
|
|
Diagnostic
Time
|
Qualification
|
| •
|
∞ (infinite - DTC cannot be
erased) | |
De-Qualification
|
| •
|
Crash recorded in the
SRSCM | |
| 1. |
Ignition "OFF", connect
scantool. |
| 2. |
Ignition "ON" & Engine "OFF", select
"Diagnostic Trouble Codes(DTC)"
mode. |
| 3. |
Monitor diagnostic trouble code and present
of trouble code. |
| 4. |
Using a scan tool, clear the
DTC.
|
| 5. |
Is DTC present problem ?
▶ DTC caused by deployment of front full
stage (1st, 2nd) air bag. Substitute with a SRSCM and check for
proper operation. If the problem is corrected, replace SRSCM and
then go to "Verification of Vehicle Repair"
procedure. |
| Verification of Vehicle
Repair |
Refer to the
DESCRIPTION in this TROUBLESHOOTING
section.
