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

Mazda CX-5 Service & Repair Manual / Engine / Control / Air Fuel Ratio (A/F) Sensor Heater Control

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.)


Accelerator Pedal Position (App) Sensor
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Air Fuel Ratio (A/F) Sensor Inspection
A/F Sensor Inspection 1. Connect the M-MDS to the DLC?2. 2. Switch the ignition ON (engine on). 3. Warm up the engine to normal operating temperature. 4. Access the following PIDs using the M-M ...

Other materials:

Driver Side Air Bag Module Removal/Installation [Standard Deployment Control System]
WARNING: Handling the air bag module improperly can accidentally deploy the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the air bag module.. NOTE: The driver-side air bag module is installed to the ...

Windshield Wiper And Washer Switch Inspection
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Column cover. b. Wiper and washer switch. 3. Use a tester to measure and verify that the continuity between the windshield wiper and washer switch terminals is as indicated in the table. If the continu ...

Auxiliary Jack/Usb Port
NOTE: “iPod” is a registered trademark of Apple Inc. in the United States and other countries. Purpose, Function The Auxiliary jack/USB port outputs the audio signals of commercially-available portable audio, a USB device, or an iPod connected to the Auxiliary jack/USB ...

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