Advanced Air Bag

DTC B1053 / B1057: Driver / Passenger Pretensioner 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 1-2:

Step 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, if any.
- Repeat Air Bag Diagnostic System Check:Advanced Air Bag to confirm that the trouble has been corrected. Air Bag Diagnostic System Check