Standard Testing

DTC B1369 Seat Belt Pretensioner [Passenger] Short to Ground

Circuit Description

DTC Detection Condition:

Wiring Diagram:

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

NOTE:
- DAB: Driver Airbag
- PAB: Passenger Airbag
- SAB: Side Airbag
- BPT: Belt Pretensioner
- SIS: Side Impact Sensor
- BS: Belt Buckle Switch
- SRSCM: Supplemental Restraints System Control Module


INSPECTION PROCEDURE

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




2.Check BPT squib circuit.

CHECK: On the BPT connector (harness side), measure the resistance between BPT high and body ground.

Resistance: Infinity

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

OK: Go to step "3".

3. Check BPT 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 BPT 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 BPT module.

OK: Check the SRSCM.