Air Bag Systems: Testing and Inspection

DESCRIPTION

HI-SCAN CHECK
1. Turn the ignition switch off.
2. Connect the Hi-Scan Pro connector to the data link connector located under the crash pad.




3. Turn the ignition switch on and power on the Hi-Scan Pro.
4. Read DTCs.
5. Find and repair the trouble, and clear the DTCs using Hi-Scan Pro.
6. Disconnect the Hi-Scan Pro.

DIAGNOSTIC TROUBLESHOOTING FLOW





TERMINAL & CONNECTOR INSPECTION
Be sure to perform "TERMINAL & CONNECTOR INSPECTION" before doing "INSPECTION PROCEDURE" for troubleshooting of each DTC.
1. Visually inspect all connectors related to the affected circuit for damage and secure connection.
2. Inspect terminals for damage and corrosion.

CAUTION:
Avoid damaging connectors during the inspection process.

3. Are any problems found?
NO
> Go to next step (INSPECTION PROCEDURE).
YES
> After repairing the trouble part, check whether DTC occurs or not.

PREPARATION OF INSPECTION
Refer to the following steps while doing "INSPECTION PROCEDURE" which is described in the DTC troubleshooting section.
1. Turn the ignition switch to LOCK.
2. Disconnect the battery negative cable from the battery and wait for at least 3 minutes.
3. Remove the DAB module and disconnect the DAB connector.
4. Disconnect the connectors of the PAB, SAB, CAB, BPT, FIS and SIS.
5. Disconnect the SRSCM connector.

CHECKING OF SHORT OR OPEN CIRCUIT
Refer to the following tips for checking of short or open circuit.
1. Shorting bar is located on the upper side of some desingated pins of SRSCM connector.
2. When checking the short circuit shorting bar must be opened. Use a plastic clip to put into as a shorting bar opener for disconnecting shorting bar.
3. Use SST Dummy adapter (0957A-2G000) to measure resistance or voltage for checking of short or open circuit.
Plug it into DAB (CAB, BPT) connector to avoid enlarging or damaging the connector pins.

CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
1. Install the DAB module and connect the DAB connector.
2. Connect the connector of the PAB, SAB, CAB, BPT, FIS and SIS.
3. Connect the SRSCM connector.
4. Connect the battery negative cable to the battery.
5. Connect a Hi-Scan(Pro) to the data link connector.
6. Turn the ignition switch to ON.
7. Clear the DTC stored in the SRSCM memory with the Hi-Scan(Pro)
8. Turn the ignition switch to LOCK and wait for at least 30 seconds.
9. Turn the ignition switch to ON and wait for at least 30 seconds.
10. Check the vehicle again with the Hi-Scan(Pro).
Does the above DTC(s) go off?
YES
> Problem is intermittent or was repaired and SRSCM memory was not cleared.
NO
> Replace the SRSCM with a new one and then check the vehicle again. At this time, if the vehicle normally operates with a new one, the fault may be the SRSCM. Replace the SRSCM.