B1516

B1516 PASSENGER SEAT BELT SWITCH DEFECT

CIRCUIT DESCRIPTION
This system decides whether the seat belt of the driver or passenger are locked and then prevent the belt pretensioner from deploying on crash.

INSPECTION PROCEDURE

1. Preparation
1. Disconnect the negative (-) terminal cable from the battery, and wait 3 minutes.
2. Remove the DAB module.
3. Disconnect the connectors of the PAB, SAB, BPT, FIS and SIS.
4. Disconnect the SRSCM connector.




2. Check the seat belt switch (defect).

[PREPARATION]
1. Turn the ignition switch to LOCK.
2. Disconnect the negative (-) terminal cable from the battery, and wait for 30 seconds.
3. Connect the seat belt switch connector.
4. Connect the negative (-) terminal cable to the battery, and wait for 30 seconds.

[CHECK]
1. Turn the ignition switch to ON, and wait for at least 30 seconds.
2. Clear the malfunction code stored in the memory with the Hi-Scan Pro.
3. Turn the ignition switch to LOCK, and wait for 30 seconds.
4. Turn the ignition switch to ON, and wait for 30 seconds.
5. Using Hi-Scan Pro, check the DTC. There is no DTC.

[HINT]
Codes other than these may be output at this time, but they are not relevant to this check.

[NG]-> Replace the seat belt switch.

[OK]-> From the results of the above inspection, the malfunctioning part can now be considered normal.