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:
Engine Coolant Protection Inspection [Mzr 2.0, Mzr 2.5]
1. Measure the engine coolant temperature and specific gravity using a thermometer
and a hydrometer.
CAUTION:
Use engine coolant at a concentration that meets the environmental conditions
in which the vehicle is driven, otherwise engine damage could occur.
The engine has alumi ...
Charcoal Canister Inspection [Mzr 2.0, Mzr 2.5]
Leakage Inspection
1. Perform the following procedures:
Assemble the hose used for inspection to port A.
Cover ports B and C with the caps.
Except for Mexico
Mexico
CAUTION:
Do not apply a pressure 20 kPa {150 mmHg, 5.91 inHg} or more to the charcoal
cani ...
EGR Pipe Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the battery and battery tray..
4. Remove the following parts..
Fresh-air duct
Air cleaner
Charge air cooler
Air hose
Air duct
5. Set the throttle body out of the way ...
