Push Button Start System Does Not Operate [Security And Locks]: Description

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.

When the push button start is pressed, the ignition cannot be switched to ACC or ON (engine off).

Possible cause

Open circuit in wiring harness between the following terminals:
- Start stop unit terminal 1H and push button start terminal C
- Start stop unit terminal 2J and push button start terminal I
- Start stop unit terminal 1AF and ground
- Start stop unit terminal 2B and ground