Blind Spot Monitoring (BSM) Off Switch Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the following parts:
1. Front scuff plate (Driver side). See FRONT SCUFF PLATE REMOVAL/INSTALLATION .
2. Front side trim (Driver side). See FRONT SIDE TRIM REMOVAL/INSTALLATION .
3. Upper panel. See UPPER PANEL REMOVAL/INSTALLATION .
4. Decoration panel (Driver side). See DECORATION PANEL REMOVAL/INSTALLATION .
5. Hood release lever. See HOOD LATCH AND RELEASE LEVER REMOVAL/INSTALLATION .
6. Meter hood. See METER HOOD REMOVAL/INSTALLATION .
7. Lower panel (Driver side). See LOWER PANEL REMOVAL/INSTALLATION .
8. BSM OFF switch. See BLIND SPOT MONITORING (BSM) OFF SWITCH REMOVAL/INSTALLATION .
Verify that the continuity between the BSM OFF switch terminals is as indicated in the table
- If not as indicated in the table, replace the BSM OFF switch.
  
  Fig 1: Switch Position Terminal Chart
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Identifying Switch Position Connector Terminal
  Courtesy of MAZDA MOTORS CORP.
Apply battery positive voltage to BSM OFF switch terminal E, and connect terminal A to ground
Verify that the LED illuminates.
- If there is any malfunction, replace the BSM OFF switch