Drive Selection Switch Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
Remove the drive selection switch. (See DRIVE SELECTION SWITCH REMOVAL/INSTALLATION .)
Measure the resistance between drive selection switch terminals B and C under the following conditions.
Resistance when drive selection switch pressed to SPORT side (backward) and held
- 0 ohms
  Resistance when drive selection switch pressed to SPORT side (forward) and held
- 465.3-474.7 ohms
  Resistance when any switch not pressed
- 2643.3-2696.7 ohms
  
  Fig 1: Drive Selection Switch Circuit Diagram
  Courtesy of MAZDA MOTORS CORP.
- If not within the specification, replace the drive selection switch. (See DRIVE SELECTION SWITCH REMOVAL/INSTALLATION .)