Inspection of Continuity

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the rear console.
Disconnect the O/D OFF switch connector.
Inspect for continuity at the O/D OFF switch.
- If not as specified, replace the selector lever knob component.
- If the switch is okay, inspect the wiring harness. (O/D OFF switch - transmission control module, O/D OFF switch - Body ground.)
Fig 1: Identifying Harness Side Connector (View From Terminal Side)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Inspecting O/D Off Switch Continuity
Courtesy of MAZDA MOTORS CORP.
Install the rear console.
Connect the negative battery cable.