B1048

DTC B1048: Passenger Pretensioner Initiator Circuit Short to Power Circuit

Wiring Diagram:

CAUTION:
- Be sure to perform "Air Bag Diagnostic System Check" before starting diagnosis according to flow.
- When measurement of resistance or voltage is required in this table, use a specified digital multimeter (Refer to "Special Tool".) along with a correct terminal adapter from special tool (Connector test adapter kit).
- When a check for proper connection is required, refer to "Inspection of Intermittents and Poor Connections".
- If there is open circuit in the air bag wire harness, connector or terminal is found damaged, replace the wire harness, connector and terminal as an assembly.

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

Test Description
STEP 1: Check whether malfunction is in seat belt pretensioner.
STEP 2: Check seat belt pretensioner initiator circuit in air bag harness.

Step 1:

Step 2:

DTC Troubleshooting

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