Mazda 3 Service Manual: 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..
|
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:
Air Intake Actuator Inspection [Manual Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C),
connect terminal C (or B) to ground, and then verify that the air intake actuator
operates as shown in the table.
If the operation condition is not normal, replace the air intake actuator.
...
Confirmation Step 3: Antenna System Simple Inspection [Radio]
Because the antenna system is equipped with a capacitor, the continuity cannot
be checked. Therefore proceed the following simple inspection.
Turn the AM radio on.
Tune to the frequency that there is no broadcast and you will hear a
buzzing sound.
Turn ...
Schedule 2
Chart symbols:
I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if
necessary.
R: Replace
L : Lubricate
C: Clean
T: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine
coolant other than FL-22 may
cause serious damage to the en ...