B1037

DTC B1037 (No.1037): Driver Air Bag (2nd stage) Initiator Circuit Short to Ground

Wiring Diagram:

Wiring Diagram

CAUTION:
- Be sure to perform Air Bag Diagnostic System Check:Advanced Air Bag before starting diagnosis according to flow. Air Bag Diagnostic System Check
- When measurement of resistance or voltage is required in this flow, use a tester 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 Intermittent and Poor Connections:Advanced Air Bag. Inspection of Intermittent 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 air bag (2nd stage) initiator circuit is below a specified value for specified time.

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

Step 1:

Step 2:

Step 2 (Continued) - 3:

DTC Troubleshooting