B1341

General Description

The airbag system checks a short between sensors in order to operate an impact sensor. Among the impact sensors, such as Front Impact Sensor(FIS), Pressure-Side Impact Sensor(P-SIS), and Side Impact Sensor(SIS), if there is a short among them, DTC code would be set.

DTC Description

If there is a short between each impact sensor's circuit, this DTC would be set. For example, if there is a short between front impact sensor's circuit and side impact sensor's circuit, this DTC would be set and recorded in the ACU. At this time, the ACU makes warning lamp turn on to let a driver know.

DTC Detecting Condition

Diagnostic Circuit Diagram

Monitor Scantool Data

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 ?

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?

Main harness Circuit Inspection

1. Measure resistance of FIS, SIS and P-SIS
(1) Ignition "OFF".
(2) Disconnect (-) cable from battery and wait for more than 1 minute.
(3) Disconnect FIS, SIS and P-SIS connector and then disconnect SRSCM connector.
(4) Measure resistance among circuits of FIS, SIS and P-SIS.

Specification :Infinity Ohms

(5) Is the measured resistance within specifications?

Verification of Vehicle Repair

After a repair, it is essential to verify that the fault has been corrected.
1. Connect scan tool and select "Diagnostic Trouble Codes(DTC)" mode.
2. Using a scan tool, clear the DTC.
3. Operate the vehicle within DTC Enable conditions in General information.
4. Are any DTC present ?