With Advanced Air Bag System

DTC B1031: Driver Air Bag (1st stage) Initiator Circuit Resistance High

Wiring Diagram

Wiring Diagram:

DTC Will be Set when
The combined resistance of the driver air bag (inflator) module (1st stage), contact coil assembly, harness wiring and connector terminal contact is above a specified value for specified time.

Flow Test Description
Step 2: Check whether malfunction is in contact coil and driver air bag (inflator) module (1st stage) or the others.
Step 3: Check driver air bag (inflator) module (1st stage) initiator circuit.
Step 4: Check whether malfunction is in contact coil or driver air bag (inflator) module (1st stage).

DTC Troubleshooting

Step 1-3:

Step 4:

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.