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 |
Heated Oxygen Sensor (HO2 S) Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
A hot engine and exhaust system can cause severe burns. Turn off the engine
and wait until they are cool before removing the exhaust system.
1. Remove the battery cover..
2 ...
Knock Sensor (Ks) Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the KS connector.
4. Measure the resistance between KS terminals A and B.
...
Other materials:
Antenna Feeder No.3 Inspection
4SD (With Audio System (With Display))
1. Disconnect the negative battery cable..
2. Remove the rain sensor cover. (Vehicles with auto light/wiper system).
3. Disconnect the rain sensor connector. (Vehicles with auto light/wiper system)
4. Partially peel back the seaming welts.
5. Remove t ...
Front Fog Light Bulb Removal/Installation
Except Mazdaspeed3
1. Disconnect the negative battery cable..
2. Slightly bend back the mudguard..
3. Disconnect the connector.
4. Rotate the front fog light bulb in the direction of the arrow shown in the
figure.
5. Remove the front fog light bulb.
CAUTION:
A haloge ...
A/C Unit Removal/Installation
1. Set the air mix mode to MAX COLD.
2. Disconnect the negative battery cable..
3. Discharge the refrigerant..
4. Drain the engine coolant..
5. Remove the plug hole plate.
6. Remove the charge air cooler cover. (MZR 2.3 DISI Turbo).
7. Remove the insulator. (MZR 2.3 DISI Turbo)
8. ...
