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Mazda CX-5 Service & Repair Manual: Heated Oxygen Sensor (HO2 S) Heater Control [Skyactiv G 2.0]

Mazda CX-5 Service & Repair Manual / HVAC / General / Heated Oxygen Sensor (HO2 S) Heater Control [Skyactiv G 2.0]

Outline

Block Diagram


Operation


Output duty ratio

Control condition

0%

  • Engine stopped

  • Fuel cut injection control is in engine start zone

  • Engine coolant temperature is -10 °C {14 °F}or less

  • Other than battery voltage of 10—16 V

  • Within a fixed period of time after engine start (varies according to engine coolant temperature)

30%

  • HO2S not activated

0?100%

(Determined by engine speed and charging efficiency)

  • Other than the above


Front Heat Duct Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Dashboard under cover. b. Side wall. c. Glove compartment. 3. Detach the tab and remove the front heat duct. LH ...

Heater Core
Purpose The heater core heats passing air. Function A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core. Co ...

Other materials:

Accelerator Pedal, Kickdown Switch
Purpose, Function The driver's intentions are transmitted to the PCM via the accelerator pedal. Kickdown switch (ATX) (Applied VIN (assumed): JM3 KE2*E*D# 148107?) If the accelerator pedal is depressed carelessly, kickdown control will be implemented based on the accelera ...

Tweeter Inspection
1. Disconnect the negative battery cable.. 2. Remove the side speaker grille.. 3. Remove the tweeter.. 4. Verify that the resistance between the tweeter terminals is as indicated in the table. If not as indicated in the table, replace the tweeter. Without Bose® With B ...

Front Fog Lights Indicator Light
Purpose Notifies the user that the front fog lights are illuminated. Function Illuminates when the front fog light illumination conditions are met. Construction Displayed in the instrument cluster. Operation 1. With the light switch in the TNS, HEAD, or ...

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