B1031

DTC B1031: Power Source Voltage High

Wiring Diagram:

CAUTION:
- Be sure to perform Air Bag Diagnostic System Check:H25 Engine Model before starting diagnosis according to flow. Diagnostic Strategies
- 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:H25 Engine Model. 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 power source voltage to SDM is above specified value for specified time.

Flow Test Description
Step 1: Check if voltage applied to SDM is within normal range.

Step 1 - 2:

DTC Troubleshooting