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Mazda CX-5 Service & Repair Manual: Electrical Fan Control [Skyactiv G 2.0]

Mazda CX-5 Service & Repair Manual / Electrical / General / Electrical Fan Control [Skyactiv G 2.0]

Outline

Block Diagram


Operation

Operation Pattern

Demand airflow volume

Cooling fan relay

Cooling fan motor

No.1

No.2/No.3

No.1

No.2

No airflow

OFF

OFF

Stop

Stop

Small

ON

OFF

Low-speed

Low-speed

Large

ON

ON

High-speed

High-speed



Engine coolant temperature condition


A/C operation condition


Operation condition

Demand airflow volume

  • When all of the following conditions are met.

    • Refrigerant pressure: 1.3 MPa {13 kgf/cm2, 189 psi} or less, vehicle speed: 45 km/h {28 mph} or more

    • Refrigerant pressure: 2.2 MPa {22 kgf/cm2, 319 psi} or less, vehicle speed: 85 km/h {53 mph} or more

No airflow

  • When all of the following conditions are met.

    • Refrigerant pressure: 1.3 MPa {13 kgf/cm2, 189 psi} or less, vehicle speed: 45 km/h {28 mph} or less

    • Refrigerant pressure: 1.3—1.5 MPa {14—15 kgf/cm2, 189—217 psi}, vehicle speed: 85 km/h {53 mph} or less

    • Refrigerant pressure: 1.5—2.2 MPa {16—22 kgf/cm2, 218—319 psi}, vehicle speed: 65—85 km/h {41—52 mph}

Small

  • When all of the following conditions are met.

    • Refrigerant pressure: 1.5—2.2 MPa {16—22 kgf/cm2, 218—319 psi}, vehicle speed: 65 km/h {40 mph} or less

    • Refrigerant pressure: 2.2 MPa {22 kgf/cm2, 319 psi} or more

Large


After Cooling Control

General
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Electrical System
Electrical Parts Battery cable Before disconnecting connectors or removing electrical parts, disconnect the negative battery cable. Wiring Harness To remove the wiring ha ...

Other materials:

Car Navigation Unit Removal/Installation
CAUTION: The audio unit communicates with the car-navigation unit and records the presence/non-presence of the car-navigation unit when the ignition is switched to ACC or ON (engine off or on) after connecting the negative battery cable. If the commander switch is installed ...

Pressure Sensor [Two Step Deployment Control System]
Purpose The pressure sensor determines at an earlier stage whether to detonate the air bag on the side of the vehicle (around front door) receiving an impact. This is for improved accuracy of the side air bag operation (deployment). Function When the vehicle is involved in ...

Low Fuel Warning Light
Purpose The low fuel warning light warns the driver that the remaining fuel level is low. Function The instrument cluster calculates the fuel quantity based on the following CAN signals, and if a remaining fuel amount of approx. 10 L {2.6 US gal, 2.2 Imp gal} (fuel gauge ...

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