With Advanced Air Bag System

DTC B1053 / B1057: Driver / Passenger Pretensioner Initiator Circuit Short to Ground

Wiring Diagram

Wiring Diagram:

DTC Will be Set when
The voltage measured at driver or passenger seat belt pretensioner initiator circuit is below a specified value for specified time.

Flow Test Description
Step 2: Check if malfunction is in seat belt pretensioner.
Step 3: Check seat belt pretensioner initiator circuit.

DTC Troubleshooting

Step 1-3:

NOTE: Upon completion of inspection and repair work, perform the following items.
- Reconnect all air bag system components and ensure all components are properly mounted.
- Clear DTCs referring to DTC Clearance:Advanced Air Bag, if any.
- Repeat Air Bag Diagnostic System Check:Advanced Air Bag to confirm that the trouble has been corrected.