Restraints - Except Advanced Air Bag Diagnostics

DTC B1019: Passenger Air Bag Initiator Circuit Short to Power Circuit

Wiring Diagram:

Wiring Diagram

CAUTION:
- Be sure to perform Air Bag Diagnostic System Check: Except Advanced Air Bag before starting diagnosis according to flow table.
- When measurement of resistance or voltage is required in this table, use a specified digital multimeter (Refer to Special Tool: Except Advanced Air Bag.) along with a correct terminal adaptor from special tool (Connector test adapter kit).
- When a check for proper connection is required, refer to Inspection of Intermittents and Poor Connections: Except Advanced Air Bag.
- 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 passenger air bag initiator circuit is above a specified value for specified time.

Flow Test Description
Step 1: Check whether malfunction is in passenger air bag (inflator) module.
Step 2: Check passenger air bag (inflator) module initiator circuit in air bag harness.
Step 3: Check passenger air bag (inflator) module initiator circuit in air bag harness.

Step 1-2:

Step 2 (Continued)-3:

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