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Mazda CX-5 Service & Repair Manual: Electrical Fan Control

Mazda CX-5 Service & Repair Manual / Engine / Cooling / Electrical Fan Control

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

Cooling System
Outline Passing water resistance is reduced by improvement of the engine coolant passage shape. Pump efficiency is improved by changing the water pump impeller to the closed impel ...

Engine Coolant Leakage Inspection
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may ...

Other materials:

Automatic Transaxle Controls
Various Lockouts: NOTE The Sport AT has an option that is not included in the traditional automatic transaxle giving the driver the option of selecting each gear instead of leaving it to the transaxle to shift gears. Even if you intend to use the automatic transaxle functions as a tradit ...

Front Over Fender Removal/Installation
1. Remove fastener A. 2. Pull the front over fender lower in the direction of the arrow (1) while removing hook B and pin C. 3. Remove fasteners D. 4. Pull the front over fender upper in the direction of the arrow (2) while removing clips E. 5. Install in the reverse order of ...

Check Fuel Cap Warning Light
Purpose/Function The check fuel cap warning light is built into the instrument cluster. If the PCM detects that the fuel cap is open, the light illuminates to warn the driver that the fuel cap is open. Construction Built into the instrument cluster.(See INSTRUMENT CLUS ...

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