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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.)


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Airflow Mode Main Link Removal/Installation
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Other materials:

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Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent the theft of your vehicle. If you have a problem with the immobilizer system or the k ...

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