Mazda 3 Service Manual: Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Intake / 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..

2. Disconnect the negative battery cable..

3. Disconnect the MAF/IAT sensor connector.

4. Measure the resistance between MAF/IAT sensor terminals D and E.

If not as specified, replace the MAF/IAT sensor..

Specification


IAT (°C {°F})	Resistance (kilohms)
20 {68}	2.21—2.69
60 {140}	0.493—0.667

Intake Air System Removal/Installation [Mzr 2.0, Mzr 2.5]

WARNING: A hot engine and intake air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake air system. Fuel is very flammable li ...

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 ...

Other materials:

Outer Mirror Garnish Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the outer mirror glass from the outer mirror.. 3. Pinch the end of the tab which is visible, and release the tab by pressing it toward the vehicle front (3 locations). 4. Grasp the upper side of the outer mirror garnish and remove it b ...

Liftgate Opener Switch Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Liftgate upper trim. b. Liftgate side trim. c. Liftgate lower trim. d. Liftgate latch and lock actuator. 3. Disconnect the connector. 4. Pull out the retainer in the direction of the arrow. 5. Remove the ...

Front Brake (Disc) Inspection
Brake Judder Repair Hints Description 1. Brake judder concern has the following 3 characteristics: Steering wheel vibration 1. The steering wheel vibrates in the rotation direction. This characteristic is most noticeable when applying brakes at a vehicle speed of 100—140 km/h {62.2—86.9 mph ...