Chevrolet Spark manuals

Mazda CX-5 Service & Repair Manual: Heated Oxygen Sensor (HO2 S) Heater Control

Mazda CX-5 Service & Repair Manual / Engine / Control / Heated Oxygen Sensor (HO2 S) Heater Control

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


Engine Coolant Temperature (ECT) Sensor
Purpose/Function Detects the ECT as basic information for mainly determining the fuel injection amount. Detects the ECT and inputs it to the PCM as an ECT signal. The ECT sen ...

Heated Oxygen Sensor (HO2 S) Inspection
HO2S 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-MDS.. ...

Other materials:

Dashboard Under Cover Removal/Installation
1. Detach hooks A in the direction of arrow (1) shown in the figure. 2. Pull the dashboard under cover in the direction of arrow (2) while detaching pins B. 3. Remove the dashboard under cover in the direction of the arrow (3) shown in the figure while detaching the guide C. CAUTION: ...

TCM Configuration [Fw6 A EL, Fw6 Ax EL]
NOTE: The TCM is built into the control valve body. 1. Verify TCM configuration implementation necessity for replacement parts. Replacement part Configuration necessity Control valve body replacement Necessary ...

Power Seat System
Outline The power seat system drives the electric motor, operates the front seat safely, and changes the driving posture to suit the occupant by operating the power seat switch. 8 way power seats or 6 way power seats have been adopted on the driver's seat. Function ...

© 2016-2025 Copyright www.mcx5.org