Mazda 3 Service Manual: 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 specification, perform the following inspections.
-
Compression pressure.
-
Air suction
-
Installation areas of each vacuum hose
-
Installation area of throttle body
-
Installation area of fuel injector
-
Installation area of PCV valve
-
Installation area of intake manifold
-
Standard
-
MZR 2.0: Approx. –68.0 kPa {–510 mmHg, –20.1 inHg}
-
MZR 2.5: Approx. –70.0 kPa {–525 mmHg, –20.7 inHg}
Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
NOTE:
Because the IAT sensor is integrated in the MAF sensor, replacing the IAT
sensor includes replacement of the MAF/IAT sensor.
1. Remove the battery cover.. ...
Variable Intake Air Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection
1. Remove the air hose..
2. Disconnect the vacuum hose from the variable intake air shutter valve actuator.
3. Connect a vacuum pump to the variable intake air shutter v ...
Other materials:
Blind Spot Monitoring (Bsm) Off Switch Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the switch panel in the direction of the arrow shown in the figure.
3. Disconnect the connector.
4. Remove the BSM OFF switch in the direction of the arrow (2) shown in the figure
while pressing the tabs in the direction of the arrow ...
Antenna Feeder No.4 Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper column cover.
b. Instrument cluster.
c. Center panel.
d. Audio unit (Vehicles with audio unit).
e. Center cover.
f. Dashboard upper panel.
g. Front scuff plate (RH).
h. Front side trim (RH).
3. Dis ...
Starter Interlock Switch Inspection [Skyactiv G 2.0]
CAUTION:
Do not reuse the starter interlock switch if it is removed from the vehicle
even once. Replace with a new starter interlock switch when installing.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the starter interlock switch connec ...
