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:

Washer Nozzle
Purpose The washer nozzle sprays the washer fluid sent from the washer motor to the optimum positions on the windshield. Construction A ball-shaped spray orifice is set inside the washer nozzle which can be adjusted up or down. The washer nozzle is moved u ...

Sail Garnish Removal/Installation
1. Open the front door. 2. Affix protective tape to the position shown in the figure. 3. Insert a tape-wrapped flathead screwdriver into the shown in the figure and remove the clip A in the direction of arrow (1). 4. Pull the sail garnish in the direction of the arrow (2) and remove it w ...

Passenger Compartment Temperature Sensor Removal/Installation [Full Auto Air Conditioner]
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate (driver-side). b. Front side trim (driver-side). c. Switch panel. d. Decoration panel. e. Shift lever knob (MTX). f. Front console box. g. Shift panel. h. Upper panel. i. Rear console. ...

© 2016-2025 Copyright www.mcx5.org