The Side Airbag circuit consists of the SRSCM and two Side Airbags (SAB). The SRSCM sets above DTC(s) if it detects short to battery line on the SAB circuit.
DTC | Condition | Probable cause |
B1381 B1385 | ● Short to battery line between SAB and SRSCM ● Side Airbag (SAB) Malfunction ● SRSCM Malfunction | ● Short to battery line circuit on wiring harness ● Side Airbag (SAB) squib ● SRSCM |
Refer to the DESCRIPTION in this TROUBLESHOOTING part.
PREPARATION
Refer to the DESCRIPTION in this TROUBLESHOOTING part.
CHECK SHORT TO BATTERY LINE
Connect the battery negative cable to the battery.
Turn the ignition switch to ON.
Measure voltage between the terminal 2 of SAB harness connector and chassis ground.
Specification (voltage) : Approximately 0 V
Is the measured voltage within specification?
▶ Check the SAB Module.
▶ Repair the short to battery line circuit on wiring harness between the SAB and the SRSCM.
CHECK THE SAB MODULE
Replace the Side Airbag(SAB) with a new one.
● Refer to "Side Airbag(SAB)" section in this SERVICE MANUAL.
Install the DAB module and connect the DAB connector.
Connect the connectors of the PAB, SAB, BPT and SIS.
Connect the SRSCM connector.
Connect the battery negative cable to the battery.
Connect a Hi-Scan(Pro) to the data link connector.
Turn the ignition switch to ON and check the vehicle again.
Does Hi-Scan (Pro) indicate any DTC related to Side Airbag(SAB)?
▶ Go to next step.
▶Replace SAB module.
CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
Refer to the DESCRIPTION in this TROUBLESHOOTING part.
