The Passenger Airbag circuit consists of the SRSCM and the Passenger Airbag (PAB). The SRSCM sets above DTC(s) if it detects short to battery line on the PAB circuit.
DTC | Condition | Probable cause |
B1355 | ● Short to battery line between PAB and SRSCM ● Passenger Airbag (PAB) Malfunction ● SRSCM Malfunction | ● Short to battery line circuit on wiring harness ● Passenger Airbag (PAB) 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 PAB harness connector and chassis ground.
Specification (voltage) : Approximately 0 V
Is the measured voltage within specification?
▶ Check the PAB Module.
▶ Repair the short to battery line circuit on wiring harness between the PAB and the SRSCM.
CHECK THE PAB MODULE
Replace the Passenger Airbag(PAB) with a new one.
● Refer to "Passenger Airbag(PAB)" 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 PAB?
▶ Go to next step.
▶Replace PAB module.
CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
Refer to the DESCRIPTION in this TROUBLESHOOTING part.
