Park Position Switch: Miata

Disconnect negative battery cable. Remove rear console. Remove indicator screws and lift up panel. Disconnect park position switch connector. Check for continuity between connector terminals. See Fig 1 . Continuity should exist with switch released. Continuity should not exist with switch depressed. Replace switch as needed. See PARK POSITION SWITCH  under REMOVAL & INSTALLATION.

Fig 1: Testing Shift Lock Actuator & Park Position Switch (Miata)

Courtesy of MAZDA MOTORS CORP.