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:
PID/Data Monitor Inspection [Adaptive Front Lighting System (Afs)]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the M-MDS.
a. Select “DataLogger”.
b. Select “Modules”.
c. Select “AFS”.
3. Select the applicable PID from the PID table.
4. Verify the PID da ...
Theft Deterrent Horn Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Trunk end trim.
b. Rear scuff plate (RH).
c. Trunk side trim (RH).
d. Theft-deterrent horn.
3. Apply battery positive voltage to horn terminal A, and connect the horn retaining
bolt to ground as shown in the f ...
Rear Differential Removal/Installation
WARNING:
When replacing the coupling component, read the special character string
before installing a new coupling component and write it to the AWD control module
after replacement. The special character string is indicated in the two locations
shown in the figure.
1. D ...
