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.
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If not within the specification, perform the following inspections.
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Compression pressure.
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Air suction
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Installation areas of each vacuum hose
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Installation area of throttle body
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Installation area of fuel injector
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Installation area of PCV valve
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Installation area of intake manifold
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Standard
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MZR 2.0: Approx. –68.0 kPa {–510 mmHg, –20.1 inHg}
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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:
Power Systems Personalization Features Setting Procedure
NOTE:
Use the IDS (laptop PC) because the PDS (Pocket PC) does not support the
POWER SYSTEMS PERSONALIZATION FEATURES SETTING PROCEDURE.
1. Connect the M-MDS to the DLC–2.
2. After the vehicle is identified, select the following items from the initial
screen of the M-MDS.
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Supplemental Restraint System Components
(With Front Passenger Occupant Classification System)
(Without Front Passenger Occupant Classification System)
Driver/Front passenger inflators and air bags
Roll-over sensor * , crash sensors, and diagnostic module (SAS unit)
Seat belt pretensioners
Front air bag sensors
Side c ...
Brakes SST
49 D043 0A0
Adapter set
49 U043 0A0A
Oil pressure gauge set
49 0221 600C
Disc brake expand tool
49 B033 001
Installer
49 G033 102
Handle
...
