Chevrolet Spark manuals

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
Purpose/Function Detects the accelerator pedal depression amount as basic information for mainly determining the throttle valve opening. Detects the accelerator pedal depression amou ...

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:

Shift Panel Removal/Installation
ATX 1. Disconnect the negative battery cable.. 2. Selector lever to neutral position. 3. Remove the front console box.. 4. Take the shaded area shown in the figure, and remove the shift panel in the direction of the arrow in the order of (1), (2) while detaching clips A, hook B. 5. D ...

Air Bag Module And Pre Tensioner Seat Belt Disposal Procedures [Two Step Deployment Control System]
WARNING: A live (undeployed) air bag module, pre-tensioner seat belt or lap pre-tensioner seat belt may accidentally operate (deploy) when it is disposed of and cause serious injury. Always refer to the “AIR BAG MODULE AND PRE-TENSIONER SEAT BELT DEPLOYMENT PROCEDURES” and dispo ...

Rear Shock Absorber Disposal
WARNING: Whenever drilling into a rear shock absorber, wear protective eye wear. The gas in the rear shock absorber is pressurized, and could spray metal chips into the eyes and face when drilling. 1. Clamp a rear shock absorber on a flat surface or with the piston pointing ...

© 2016-2022 Copyright www.mcx5.org