Engine

Variable Swirl Shutter Valve Switch Inspection [Mzr 2.3 Disi Turbo]

~1min read
Voltage Inspection NOTE:
  • The variable swirl shutter valve switch cannot be removed as a single unit. When replacing the variable swirl shutter valve switch, replace it together with the intake manifold as a single unit.

1. Switch the ignition to ON (Engine off).

2. Verify that the PCM terminal 2AE voltage is as shown in the following table when the variable swirl shutter valve actuator rod is depressed and released by hand.



  • If not as specified, replace the intake manifold..

Specification

Measured condition

PCM terminal 2AE voltage

Released (Open position)

B+

Depressed (Close position)

Below 1.0 V

Test yourself

A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.