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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:

Floor Covering Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Front scuff plate. b. Front side trim. c. Rear scuff plate. d. B-pillar lower trim. e. Rear seat cushion. f. Front seat. g. Lower anchor of the front seat belt (without lap pre-tensioner seat belt). h. La ...

2 6 Brake [Fw6 A EL, Fw6 Ax EL]
Purpose/Function The 2-6 brake locks the rear internal gear and reduction planetary carrier while in 2GR and 6GR. Construction The 2-6 brake consists of the following parts shown in the figure. The driven plate of the 2-6 brake does not rotate because it is c ...

Power Window Main Switch
Purpose Remote control of door glass open/close and power outer mirror adjustment are possible with occupant seated in the cabin. Function Power window main switch Manual When the power window main switch is operated for manual open/close operation, it sends ...

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