Mazda 3 Service Manual: Variable Swirl Shutter Valve Switch Inspection [Mzr 2.3 Disi Turbo]
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..
|
Measured condition |
PCM terminal 2AE voltage |
|
Released (Open position) |
B+ |
|
Depressed (Close position) |
Below 1.0 V |
Variable Tumble Shutter Valve Switch Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
The variable tumble shutter valve switch cannot be removed as a single unit.
When replacing the variable tumble shutter valve switch, replace it together
with t ...
Other materials:
Intake Manifold Vacuum Inspection [Mzr 2.0, Mzr 2.5]
1. Disconnect the evaporative hose (purge solenoid valve side) and install the
vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum
gauge.
If not within the sp ...
No.1 Car Navigation System Does Not Start Operation [Car Navigation System]
1
Even if the NAVI mode is selected, the car-navigation system screen does
not display.
Possible DTC
—
POSSIBLE CAUSE
NAVI button malfunction
Power supply fuse (+B, ACC) burnt out
...
Fuel Injector Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring to ...
