Side Impact Sensor(SIS)
is located in both side of center pillar detects broad
collision.
When SIS delivers
collision signal to SRSCM, SRSCM checks if safing sensor located in SRSCM
detects collusion.
And if both SIS and
safing sensor detects collision simultaneously, SRSCM operates side air
bag and curtain air bag.
The SRSCM sets DTC
B1400/B1403 if there is any fault in DSIS/PSIS circuit.
The SRSCM sets DTC
B1409/B1410 if there is any error in communication between DSIS/PSIS and
SRSCM.
Item
|
Detecting
Condition
|
Possible cause
|
DTC Strategy
|
| •
|
Check current(PWM
type) | |
| •
|
Poor connection of connected
part. |
|
Enable Conditions
|
|
Diagnostic
Time
|
Qualification
|
B1400
B1403
|
|
B1409
B1410
|
|
De-Qualification
|
B1400
B1403
|
|
B1409
B1410
|
|
| 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 ?
▶ Go to "W/Harness Inspection"
procedure.
▶ Displaying nothing(no DTC) or DTC with label
"H"(historical) shows that Fault is intermittent caused by poor
contact in the part's and/or SRSCM connector or was repaired and
SRSCM memory was not cleared.
Thoroughly check connectors for looseness,
poor connection, bending, corrosion, contamination, deterioration,
or damage.
▶ Repair or replace as necessary and then go
to "Verification of Vehicle Repair"
procedure. |
| Terminal and Connector
Inspection |
| 1. |
Many malfunctions in the electrical system are
caused by poor harness and terminals.
Faults can also be caused by interference from
other electrical systems, and mechanical or chemical
damage. |
| 2. |
Thoroughly check connectors for looseness,
poor connection, bending, corrosion, contamination, deterioration,
or damage. |
| 3. |
Has a problem been found?
▶ Repair as necessary and then go to
"Verification of Vehicle Repair" procedure.
▶ Go to "Component Inspection"
procedure. |
| 1. |
Ignition "ON" & Engine "OFF" and Using a
scantool, clear the DTC. |
| 3. |
Disconnect the battery (-) terminal cable from
the battery, and wait at least one
minutes. |
| 4. |
Disconnect FSIS
connector. |
| 5. |
Substitute the FSIS and check for proper
operation. |
| 6. |
Is DTC present problem ?
▶ Substitute a known-good SRSCM, and check for
proper operation.
If the problem is corrected, replace SRSCM and
then go to "Verification of Vehicle Repair" procedure.
▶ Substitute the SRS main harness and check
for proper operation.
If the problem is corrected, replace SRS main
harness and then go to "Verification of Vehicle Repair"
procedure.
▶ Substitute a known-good FSIS, and check for
proper operation.
If the problem is corrected, replace FSIS and
then go to "Verification of Vehicle Repair"
procedure. |
| Verification of Vehicle
Repair |
Refer to the DESCRIPTION
in this TROUBLESHOOTING section.
