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 BPT and 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. |
The SRSCM sets DTC
B1650 if DAB or PAB deploys.
The SRSCM sets DTC
B1651 if DSAB or DCAB deploys.
The SRSCM sets DTC
B1652 if PSAB or PCAB deploys.
Item
|
Detecting
Condition
|
Possible
cause
|
DTC
Strategy
|
B1650
|
| •
|
Check DAB or PAB
deployment | |
| •
|
DAB and PAB
deployment. |
| •
|
SAB and CAB
deployment. | |
B1651
|
| •
|
Check DSAB or DCAB
deployment | |
B1652
|
| •
|
Check PSAB or PCAB
deployment | |
Enable Conditions
|
|
Diagnostic
Time
|
Qualification
|
|
De-Qualification
|
| •
|
∞ ( dequalification not permitted
) | |
| 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 scantool, clear the
DTC.
|
| 5. |
Is DTC present problem ?
▶ DTC caused by deployment of air bag(DAB
1st, PAB 1st, SAB, CAB). 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.
