The SRS Telltale Lamp is
located on the center of crash pad consists with the Digital Clock. When
the passenger sest are unoccupied, the Telltale Lamp lights up for the
notice, and if passenger are occupied under seat,Telltale Lamp are goes
off automatically.
DTC B2502 is recorded
when occurrence of a malfunction in the Telltale indicator Lamp
system.
Item
|
Detecting
Condition
|
Possible cause
|
DTC Strategy
|
|
| •
|
Burnt-out Telltale
lamp. |
| •
|
Open circuit in Telltale lamp
harness. |
| •
|
Short circuit in Telltale lamp
harness. |
|
Enable Conditions
|
|
Diagnostic
Time
|
Qualification
|
| •
|
More than 0.3 ~ 0.7
sec | |
De-Qualification
|
| •
|
More than 2.5 ~ 15.5
sec | |
| 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 ?
|
|
▶ 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
shorting bar/shorting bar release pin and 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 shorting 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
"Telltale lamp Circuit Inspection"
procedure.
|
|
| Telltale lamp Circuit
Inspection |
| 2. |
Disconnect the battery (-) terminal cable from
the battery and wait at least one
minutes. |
| 3. |
Disconnect SRSCM main harness
connector. |
| 4. |
Connect the battery (-) terminal cable to the
battery and Inginion "ON" & Engine
"OFF" |
| 5. |
Measure voltage between Telltale lamp terminal
of the cluster harness connector and chassis ground.
Specification : Batt
Voltage
| |
| 6. |
Is the measured voltage within
specifications?
|
|
▶ Check
warning lamp and 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.
|
|
|
▶ Check
airbag fuse, passenger compartment junction block, harness
between junction block and SRS . Repair as necessary and go to
"Verification of Vehicle Repair"
procedure.
|
|
| Verification of Vehicle
Repair |
After a repair, it is
essential to verify that the fault has been corrected.
| 1. |
Connect scantool and select "Diagnostic
Trouble Codes(DTC)" mode. |
| 2. |
Using a scantool, clear the
DTC. |
| 3. |
Operate the vehicle within DTC Enable
conditions in General information. |
| 4. |
Are any DTC present ?
|
|
▶ Go to the
applicable troubleshooting procedure.
|
|
|
▶ System is
performing to specification at this
time.
|
|
