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1. PREPARATION
(1) Turn the ignition switch to LOCK.
(2) Disconnect the negative () terminal 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, BUPT, FIS and SIS.
(5) Disconnect the SRSCM connector.
2. CHECK SHORT TO BATTERY LINE
(1) Connect the negative () terminal to the battery.
(2) Turn the ignition switch to ON.
(3) Measure voltage between the terminal 1 of BPT harness connector and chassis ground().
specification(voltage) : Approximately 0 V
(4) Is the measured voltage within specification?
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Check the BPT Module.
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Repair the short to battery line circuit on wiring harness between the BPT and the SRSCM.
3. CHECK THE BPT MODULE
(1) Replace the Belt Pretensioner (BPT) with a new one.
● Refer to "Belt Pretensioner (BPT)" section in this SERVICE MANUAL.
(2) Install the DAB module and connect the DAB connector.
(3) Connect the connectors of the PAB, SAB, CAB, BPT, BUPT, FIS and SIS.
(4) Connect the SRSCM connector.
(5) Connect the negative () terminal to the battery.
(6) Connect a HiScan(Pro) to the data link connector.
(7) Turn the ignition switch to ON and check the vehicle again.
Does HiScan (Pro) indicate any DTC related to Belt Pretensioner (BPT)?
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Go to next step.
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Replace BPT module.
4. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
(1) Install the DAB module and connect the DAB connector.
(2) Connect the connectors of the PAB, SAB, CAB, BPT, BUPT, FIS and SIS.
(3) Connect the SRSCM connector.
(4) Connect the negative () terminal to the battery.
(5) Connect a HiScan(Pro) to the data link connector.
(6) Turn the ignition switch to ON .
(7) Clear the DTC stored in the SRSCM memory with the HiScan(Pro).