Mazda CX-5 Service & Repair Manual: Heater Core
Purpose
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The heater core heats passing air.
Function
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A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core.
Construction
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The heater core consists of a tube which passes engine coolant, and the heat radiation fin.
Operation
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The engine coolant warmed by the engine heat is sent to the heater core.
-
The air blown by the blower motor is warmed up by heat exchange when it passes through the heat radiation fin of the heater core.
Fail-safe
-
Function not equipped.
Heated Oxygen Sensor (HO2 S) Heater Control [Skyactiv G 2.0]
Outline
Based on the control of the HO2S heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine ...
Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
If there is any ...
Other materials:
Bsm Indicator Light Flashes While Not Under Bsm Indicator Light Flashing Conditions
(No Combination Switch Operation (Turn Signal Switch)) [Blind Spot Monitoring (Bsm)]
Description
BSM indicator light flashes while not under BSM indicator light-flashing
conditions (no combination switch operation (turn signal switch)
The BSM indicator light flashes despite not satisfying the BSM indicator
light flashing ...
Power Window Motor Inspection
Front driver side
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Disconnect the power window motor connector.
5. Apply battery positive voltage and connect the ground to power window motor
terminals E and F, and then inspect the ...
Cooling Fan Motor Removal/Installation
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 shoot out and cause serious injury. It may also damage
the engine and cooling system.
Tu ...
