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:

Clock Spring Inspection [Two Step Deployment Control System]
1. Disconnect the negative battery cable.. 2. Remove the driver–side air bag module.. 3. Remove the steering wheel.. 4. Remove the column cover. 5. Remove the clock spring.. 6. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the cl ...

Direct Mode
Direct mode can be used for temporarily switching gears by operating the steering shift switch while the vehicle is being driven with the selector lever in the D range. While in direct mode, the D and M indication illuminate and the gear position in use is illuminated. Direct mode is can ...