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Mazda CX-5 Service & Repair Manual: Air Fuel Ratio (A/F) Sensor Heater Control [Skyactiv G 2.0]

Mazda CX-5 Service & Repair Manual / HVAC / General / Air Fuel Ratio (A/F) Sensor Heater Control [Skyactiv G 2.0]

Outline

Block Diagram


Operation

Pre-heater control

Normal control


Output duty ratio

Control condition

0%

  • Ignition switched off

  • Engine stopped

  • Engine start (cranking)

0?100%

(Duty ratio determined by measuring the element temperature by the A/F sensor heater element impedance)

  • After engine warm-up (value fluctuates by battery condition, etc.)


Air Filter Removal/Installation
1. Remove the glove compartment.. 2. Remove the air filter. 3. Install in the reverse order of removal. ...

Airflow Mode Main Link Removal/Installation
Full-auto Air Conditioner 1. The airflow mode main link is installed to the airflow mode actuator. When removing the airflow mode main link, refer to the airflow mode actuator removal/installation. ...

Other materials:

Cargo Compartment Light Removal/Installation
1. Disconnect the negative battery cable.. 2. To prevent scratches or damage, affix protective tape to the position shown in the figure. CAUTION: If a flathead screwdriver is inserted into the gap between the cargo compartment light and trunk side trim, the trunk side trim could int ...

Camshaft Position (CMP) Sensor Inspection
Intake CMP Sensor Visual inspection CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfunction resulting from fluctuation in magnetic flux and caus ...

Power Brake Unit Inspection
NOTE: The following inspection methods are simple inspection methods to judge the function of the power brake unit. If there is any malfunction in the power brake unit, replace the power brake unit as a single unit. Without Using SST Operation inspection 1. With the eng ...

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