Mazda CX-5 Service & Repair Manual: Mass Air Flow (MAF) Sensor

Mazda CX-5 Service & Repair Manual / Engine / Intake / Mass Air Flow (MAF) Sensor

Purpose/Function

Detects the intake airflow amount introduced into the cylinder as basic information for mainly determining the fuel injection amount.
Detects the intake airflow amount introduced into the cylinder and inputs it to the PCM as an intake airflow amount signal.

Construction

Installed on the air cleaner.
A hot film has been adopted as the detecting element for detecting the intake airflow amount.
IAT sensor No.1 is integrated.

Operation

Inputs the signal, which fluctuates according to the intake airflow amount, to the PCM.

MAF sensor characteristic

Fail-safe


DTC No.	Fail-safe function
P0102:00	Restricts the upper limit of the engine speed. Inhibits the evaporative purge control.
P0103:00	Restricts the upper limit of the engine speed. Inhibits the evaporative purge control.

Mass Air Flow (MAF) Sensor Inspection

Visual Inspection 1. Remove the MAF sensor/IAT sensor No.1.. 2. Visually inspect the MAF sensor for the following: Damage, cracks, soiling Rusted sensor terminal Bent sensor ...

Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation

NOTE: Because the IAT sensor No.1 is integrated in the MAF sensor, replacing the IAT sensor No.1 includes replacement of the MAF sensor/IAT sensor No.1. 1. Disconnect the negative bat ...

Other materials:

Brake Fluid Pressure Sensor Inspection
1. Switch the ignition to off. 2. Remove the clips. 3. Set the splash shield out of the way. 4. Disconnect the brake pipe from the LF brake hose. 5. Remove the clip. 6. Remove the LF brake hose from the bracket. 7. Detach the brake pipe from the pipe holder. 8. Install the SST ...

Refrigerant Pressure Sensor Removal/Installation [Manual Air Conditioner]
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Disconnect the refrigerant pressure sensor connector. CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediate ...

Cooling System Cap Inspection
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...