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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:

Power Steering Malfunction Indicator Light
Purpose The power steering malfunction indicator light warns the driver that there is a malfunction with the electric power steering (EPS) system. Function If there is a malfunction in the EPS system, the power steering malfunction indicator light illuminates. If th ...

Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include up to 6 air bags. Please verify which kinds of air bags are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed. The air bags ar ...

Tie Rod End Inspection
1. Inspect the tie-rod end for damage and the boot for cracks. If there is any malfunction, replace the tie-rod end. 2. Inspect for excessive play. If there is any malfunction, replace the tie-rod end. 3. Rotate the tie-rod end five times. 4. Install two nuts to the ba ...

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