B1480

DTC B1480 Curtain Airbag [RH] Short to Battery Line

CIRCUIT DESCRIPTION

DTC Detection Condition:

The squib circuit consists of the SRSCM, clock spring, DAB, PAB, FSAB, RSAB, CAB, BPT, FIS and SIS. It causes the SRS to deploy when the SRS deployment conditions are satisfied. The above DTCs are recorded when a short to battery line is detected in the CAB squib circuit.

NOTE:
- DAB: Driver Airbag
- PAB: Passenger Airbag
- FSAB: Front Side Airbag, Side Airbags Located in Driver and Passenger Seat
- RSAB: Rear Side Airbag, Side Airbags Located in rear seats
- CAB: Curtain Airbag
- BPT: Belt Pretensioner
- SIS: Side Impact Sensor
- FIS: Front Impact Sensor
- BS: Belt Buckle Switch
- SRSCM: Supplemental Restraints System Control Module

Wiring Diagram:

INSPECTION PROCEDURE

1. Preparation
1. Disconnect negative (-) terminal cable from the battery, and wait at least 30 seconds.
2. Disconnect the connector of the CAB module.
3. Disconnect the connector of the SRSCM.




2. Check CAB squib circuit.

CHECK:
1. Turn the ignition switch to ON, and wait at least 30 seconds.
2. On the CAB connector (harness side), measure the voltage between CAB high and body ground.

Voltage: 0 V

NG: Repair or replace the harness or connector between the SRSCM and the CAB.

OK: Go to Next Step.

3. Check CAB squib.

PREPARATION
1. Turn ignition switch to LOCK.
2. Disconnect negative (-) terminal cable from the battery, and wait at least 30 seconds.
3. Connect the SRSCM connector and the CAB connector.




4. Connect the negative (-) terminal cable from the battery, and wait at least 30 seconds.

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

HINT: Codes other than these may be output at this time, but they are not relevant to this procedure.

NG: Replace the CAB module.

OK: Check the SRSCM.