With Electric Parking Brake

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
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 - side (backward) and held

Resistance when drive selection switch pressed to SPORT side (forward) and held

Resistance when any switch not pressed

2643.3-2696.7 ohms

Courtesy of MAZDA MOTORS CORP.

If not within the specification, replace the drive selection switch. (See DRIVE SELECTION SWITCH REMOVAL/INSTALLATION .)